Pentair Swimming Pool Heater 472645 User Manual
P/N 472645  
Pentair Commercial Pool Heaters  
Ordering  
MegaTherm™ MT — 500-5000 MBTU/h  
PowerMax™ PM — 500-2000 MBTU/h  
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Table of Contents  
MegaTherm MT  
Powermax PM  
Standard Features 500-5000.................................. 4  
Model Nomenclature .............................................. 4  
Code Options .......................................................... 4  
Standard Features 500-2000.................................. 6  
Model Nomenclature .............................................. 6  
Configurations ........................................................ 7  
Additional Options .................................................. 7  
Features and Options ............................................. 5  
Special Codes/Options ........................................... 5  
Heat Exchangers .................................................... 5  
Prices subject to change - call (800) 831-7133 for availability and lead times.  
3
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Standard Features MegaTherm MT (500-5000)  
• Integral finned copper tube heat  
exchanger. ASME 160 lb. working  
pressure, 2-pass configuration  
• Glass-lined cast iron headers  
• Stainless steel burners  
• Built-in integral draft hood  
(indoor models)  
• 115/24V transformer for 24V  
control system  
• Redundant safety gas valve  
• Manual shut-off valve  
• Manual pilot valve  
• Pilot gas regulator  
• Electronic operating control with  
remote thermometer  
• Adjustable manual reset safety high  
limit  
• Pressure relief valve (75 PSI)  
• Two temperature gauges  
• Terminal strip  
• 2 amp fuse  
• EM2 - pump time delay (500-1825)  
• Power on/off switch  
• Power on light  
• Non-combustible base  
(500-1825 Outdoor)  
• Integral pump (500-1825)  
• Water flow switch (500-1825)  
• Water pressure switch (2000-5000)  
Model Nomenclature  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15 16  
C
M
T
MODEL  
IGNITION  
VERSION  
REVISION  
LOCATION  
SIZE MBTU/h  
0500 2000  
0600 2200  
0715 2450  
0850 2800  
1010 3050  
1200 3200  
1430 3500  
1670 3600  
1825 4000  
4050  
OPTIONS  
XX- STANDARD UNIT  
FX- FM CODE  
HL- HIGH + LOW GAS SWITCHES  
JD- CSD1 + IRI CODE PACKAGE  
JX- CSD-1  
LC- L.W.C.O. + 100% LOCKOUT  
LW-LOW WATER CUT OFF  
MX-MINNESOTA CODE  
04- SPARK 110V  
09- SPARK 24V  
(500-1825)  
18- SPARK 24V  
(2000-5000)  
P- PUMP  
MT-POOL  
1-8 TUBE  
B-10 TUBE  
C-18 TUBE  
I-INDOOR  
E-OUTDOOR  
500-1825  
A- 2000-5000  
HEAT EXCHANGER  
FUEL  
16- STND. PILOT  
C-GLASS LINED/COPPER  
N-GLASS LINES/CU-NI  
K-BRONZE/COPPER  
S-BRONZE/CU-NI  
N-NATURAL  
P-PROPANE  
FIRING MODE  
C-STD. ON/OFF  
4500  
5000  
CODE OPTIONS INCLUDE:  
Indoor Units  
Outdoor Units  
STANDARD  
UNIT*  
SYS 4  
SHIP  
WT  
lbs.  
Standard  
Unit *  
Sys. 4  
for FM &  
Minnesota  
Ship  
Weight  
lbs.  
SIZE  
FOR FM &  
Size  
Minnesota Code (MX)  
SYS 9/16/18 MINNESOTA  
Sys. 9/16/18  
500-850:  
500  
600  
715  
6,622  
6,888  
7,061  
7,505  
7,926  
8,325  
8,694  
9,417  
9,772  
13,273  
14,013  
16,053  
17,858  
19,291  
20,841  
21,832  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
17,055  
17,993  
19,930  
21,570  
22,361  
26,130  
27,084  
808  
819  
873  
500  
600  
715  
850  
7,693  
7,900  
8,153  
8,468  
9,170  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
18,307  
20,324  
22,819  
23,677  
26,003  
27,750  
855  
949  
• low water cutoff (manual  
reset with test button)  
• manual firing valve  
(2nd shutoff valve)  
• 100% lockout  
• high gas pressure switch  
• additional safety valve  
1050  
1100  
1240  
1410  
1570  
1622  
1725  
2320  
2500  
2840  
3175  
3940  
3790  
850  
945  
1010**  
1,200  
1,430  
1,670  
1,825  
2,000  
2,450  
3050  
3500  
4050  
4500  
5000  
1041  
1199  
1280  
1445  
1570  
1950  
2100  
2250  
2510  
2750  
2900  
3200  
1010**  
1,200  
1,430  
1,670  
1,825  
2,200  
2,800  
3,200  
3,600  
4,000  
4,500  
9,594  
9,990  
1010-2450:  
10,177  
10,976  
15,521  
17,590  
19,828  
20,820  
22,239  
23,252  
• low water cutoff (manual  
reset with test button)  
• manual firing valve  
(2nd shutoff valve)  
• leak test valve  
• 100% lockout  
• high & low gas pressure  
switches  
• solenoid safety valve  
• motorized safety with  
proof of closure  
FM Code (FX)  
*Spark Ignition standard on Natural Gas and Propane models (Ignition 09).  
**Available as Model 999 for local jurisdictions that limit input to 1,000,000 BTU/h.  
2800-5000:  
• System 4  
500-2450:  
• add CSD-1  
(see heater pricing)  
• low water cutoff (manual  
reset with test button)  
• manual firing valve  
(2nd shutoff valve)  
• leak test valve  
• 100% lockout  
• high & low gas pressure  
switches  
2800-5000:  
• System 4  
(see heater pricing)  
CSD - 1 Code (JX)  
CSD-1 + IRI Code Package (JD)  
500-2450:  
• low water cutoff  
(man. reset w/test button)  
• manual firing valve (2nd shutoff valve)  
• leak test valve  
500-2450  
• low water cutoff  
(man. reset w/test button  
• manual firing valve (2nd shutoff valve)  
• leak test valve  
• 100% lockout  
• normally open vent valve  
• low water cutoff (manual  
reset with test button)  
• manual firing valve  
(2nd shutoff valve)  
• multiple leak test valves  
• 100% lockout  
• high & low gas pressure  
switches  
• normally open vent valve  
• morotized safety valve  
• 100% lockout  
• motorized safety valve  
• motorized safety with  
proof of closure  
2800-5000:  
• low water cutoff  
(man. reset w/test button)  
• manual firing valve (2nd shutoff valve)  
• multiple leak test valves  
• 100% lockout  
2800-5000:  
• low water cutoff  
(man. reset w/test button  
• manual firing valve (2nd shutoff valve)  
• multiple leak test valves  
• 100% lockout  
• high + low gas pressure switches  
• normally open vent valve  
Kentucky Code (KC) (STD)  
• 200° F (max.) automatic  
reset high limit  
• 200° F (max.) manual  
reset high limit  
• high & low gas pressure switches  
California Code (LC)  
• order low water cutoff +  
100% lockout  
4
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MegaTherm MT Features and Options  
500-1825  
2000-2450  
2800-5000  
Ignition Systems  
System 4  
System 9  
System 16  
System 18  
N/A  
S
O
N/A  
N/A  
O
O
N/A  
O
Legend  
S
= Standard  
= Optional  
O
N/A  
S
S
Firing Mode  
On/Off  
Motorized On/Off (FM & Minnesota Code only)  
Gas Trains  
SP = Standard with  
CSD-1, spark  
ignition propane  
and standing  
S
N/A  
S
N/A  
S
O
Manual Valve  
S
S
S
O
S
O
O
O
O
S
S
S
O
S
O
O
O
O
S
S
S
O
S
O
S
O
O
pilot. Optional on  
spark ignition  
natural  
Redundant Safety Valve  
Main Gas Regulator  
Manual Firing Valve  
Pilot Gas Regulator  
Leak Test Valve  
NA = Not Available  
High Gas Pressure Switch  
Low Gas Pressure Switch  
Normally Open Vent Valve  
Control Components  
100% Shutdown on Flame Failure  
100% Lockout Ignition Control  
Manual Reset High Limit  
Automatic Reset High Limit  
Water Flow Switch  
Water Pressure Switch  
Pump Time Delay Relay (EM2)  
Low Water Cutoff (w/man. reset & test button)  
Water Ways  
S
SP  
S
O
S
N/A  
S
O
S
SP  
S
O
O
S
N/A  
O
S
SP  
S
S
O
S
N/A  
O
Copper Tubes  
S
O
S
S
O
S
S
O
S
Cupro-nickel Tubes  
Glass-Lined Cast Iron Headers  
Bronze Headers  
O
N/A  
N/A  
Codes  
ASME CSD-1  
IRI  
FM  
O
O
O
S
O
O
O
S
O
O
O
S
Kentucky  
Minnesota  
O
O
O
Special Codes/Options  
Heat Exchangers  
Saltwater  
Size  
CSD-1  
CSD-1 + IRI  
Code: JD  
FM  
Kentucky Minnesota  
Low  
Water  
Cutoff  
LWCO  
100%  
Lockout  
Code: LC  
High + Low  
Gas Press  
Switch  
Bronze  
Casting  
Cupro-  
Nickel  
Tubes  
Bronze Hdrs/  
CuNi Tubes  
Code: JX  
Code: FX  
Code: KC Code: MX  
Order: K  
Order: N  
Order: S  
500  
600  
715  
850  
1,010  
1,200  
1,430  
1,670  
1,825  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Add CSD-1  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
Std.  
2,000  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
2200E/2450I  
2800E/3050I  
3200E/3500I  
3600E/4050I  
4000E/4500I  
4500E/5000I  
*Order ignition system 04.  
5
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Standard Features PowerMax PM (500-2000)  
• Automatic bypass  
• ASME 160 psi working pressure heat  
exchanger  
• Multiple operating gas valve/pressure  
regulators  
• Manual “A” gas valve  
• Intake air filter  
• Multiple, removable burner trays  
• Stainless steel burners  
• Built-in draft fan(s) for Category I or III  
venting  
• 115/24VAC 75VA power from class 2  
transformer  
• Manual reset high limit  
• Automatic reset high limit  
• Electronic PID temperature control with  
LCD and touchpad  
• PC board for electrical connections  
• Hot surface ignition  
• ASME “H” stamp  
• Flanged water connections  
• Glass-lined cast iron headers  
• External header gaskets  
• 75 psi (817 kPa) ASME  
rated pressure relief valve  
• Flow switch  
• Air pressure switch  
• Burner site glass  
• On/Off toggle switch  
• Pump time delay  
• Temperature and pressure gauge  
• 24V control system  
• Diagnostic lights  
• Convertible indoor or outdoor operation  
• Bronze trim  
Model Nomenclature  
1
2
3
4
5
6
7
8
9
10  
11  
12  
2
13  
14  
15  
N
P
M
P
A
C
C
SERIES  
APPLICATION  
SIZE  
FUEL  
ALTITUDE LOCATION  
REVISION  
PUMP  
PM = POWERMAX  
P- POOL  
N-NATURAL  
C-INDOOR  
2- SECOND  
N-NORMAL  
MBTU/h  
0-10,000 ft  
P-PROPANE  
OUTDOOR  
0 5 0 0  
0 7 5 0  
1 0 0 0  
1 2 5 0  
1 5 0 0  
1 7 5 0  
2 0 0 0  
FIRING MODE HEAT EXCHANGER  
OPTIONS  
C- ON/OFF  
B- GLASS LINED CAST IRON / COPPER /  
BRONZE TRIM (Std)  
K- BRONZE / COPPER  
P- GLASS LINED CAST IRON / CuNi /  
BRONZE TRIM  
X-STANDARD  
J-CDS-1, IRI  
L-MN (indoor)  
S- BRONZE / Cu-Ni  
Pennant Option Descriptions  
Code option J: for CSD-1, FM, IL (low water cutoff not included)  
The changes made to the standard Pennant to achieve code option J are as follows:  
•
•
•
Adds manual reset high and low gas pressure switches  
Adds gas regulator  
Changes ignition control from the standard three-attempt to a single attempt  
Kit for IRI:  
This kit is added to a Pennant unit with code option J. In total, code option J with the IRI kit:  
•
•
•
•
•
Adds manual reset high and low gas pressure switches  
Adds safety valve with gas regulator  
Adds leak test valve for additonal safety  
Adds normally open vent valve  
Changes ignition control from the standard three-attempt to a single attempt  
Code option L: for MN and LDS  
Sizes 500 to 1000:  
Sizes 1250 to 2000:  
•
•
•
•
Adds safety valve with regulator  
Adds high gas pressure switch  
Adds leak test valve  
•
•
•
Adds solenoid safety valve  
Adds motorized safety valve with proof of closure  
Adds leak test valve  
Adds high and low gas pressure switches  
6
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PowerMax PM (500-2000)  
Part Numbers  
Standard Models - 4th Character Code  
Code  
500  
750  
1000  
1250  
1500  
1750  
2000  
Base model with std on/off control, std copper  
tube HX (requires heat exchanger option) with  
P
automatic by-pass, and normal water pump mounted  
Fuel Options - 9th character code  
Natural Gas  
N
P
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
n/c  
Propane Gas  
CONFIGURATIONS  
Heat Exchanger Options -14th character code  
Add amount shown to list price  
Std Std Std  
Glass-lined cast iron headers / copper tubeB Std  
HX / bronze trim  
Std  
Std  
Std  
Bronze headers / copper HX / bronze trim  
K
P
Glass-lined cast iron headers / Cu-Ni tube  
HX / bronze trim  
Bronze headers w/Cu-Ni tube HX / bronze trim S  
Control Options - 15th character code  
Standard On/Off Control (LWCO not included) X  
Std  
Std  
Std  
Std  
Std  
Std  
Std  
CSD-1 (LWCO not included)  
MN Code (LWCO included)  
J
L
ADDITIONAL INSTALLED OPTIONS  
Options  
Order kit number and list as separate line item  
Low Water Cut Off,  
Kit No. KM000500 KM000500 KM000500 KM000500 KM000500 KM000500 KM000500  
factory mounted & wired  
Reversed HX pump mounted  
(connections on opposite side for all  
above configurations)  
Kit No. KM000302 KM000302 KM000302 KM000302 KM000302 KM000302 KM000302  
Add IRI to Option J  
Kit No. KM000401 KM000401 KM000402 KM000403 KM000403 KM000403 KM000403  
Indoor Venting Accessories  
Order kit number and list as separate line item  
Side-wall Exhaust Vent Terminal  
(required for side wall venting)  
Kit No. CA001401 CA001401 CA001402 CA001403 CA001403 CA001403 CA001404  
Side-wall Intake Air Terminal  
Kit No. 20260701 20260701 20260703 20260703 20260703 20260703 20260706  
(required only for ducted combustion air)  
Outdoor Venting Accessories  
Order kit number and list as separate line item  
Vertical Exhaust Vent Terminal (optional)  
Low profile stainless steel  
Kit No. 20254701 20254703 20254705 D2007700 D2007700 D2007800 D2007800  
Outdoor Combustion Air Intake (optional)  
Kit No. D2007900 D2007900 D2008000 D2008000 D2008000 D2008000 D2008200  
7
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P/N 472645 Rev A - 05/22/06  
Litho in U.S.A  
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P/N 472645  
Commercial Pool Heater Parts  
Sizes 210,000 - 5,000,000 BTU/h  
Heater Name  
Model  
MT  
Sizes  
Doc. No.  
MegaTherm - Commercial Pool Heater  
MegaTherm - Commercial Pool Heater  
PowerMax - Commercial Pool Heater  
500-1825  
2000-5000  
500-2000  
472643  
472644  
472642  
MT  
PM  
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Using “Genuine Pentair” parts will ensure accurate replacement and warranty coverage.  
Installation and Operation Manuals for current products are available on-line at http://www.pentairpool.com  
Our Commitment  
We believe the availability of factory authorized replacement parts is an essential component of customer service. We strive to  
provide every opportunity for our customers to order and stock factory authorized replacement parts, including special incentive,  
pricing and freight programs. Contact your Pentair representative or sales manager for more details.  
Ordering  
Pentair sells parts only through its normal distribution channels. The most commonly used parts are listed in this parts pricing  
guide, and can be ordered through Pentair stocking representatives or wholesalers. Call the Service Department for assistance in  
identifying parts not listed. Have the model and serial number of the unit before calling to assure accurate parts identification.  
Some parts are subject to price changes and limited availability. Pentair representatives or wholesalers should call the factory  
for price and lead time for non-current sheet metal parts, parts listed as “limited to stock on hand” and parts not listed in this  
document. Rush Orders: We make every effort to ship rush orders the same day at our regular prices, but cannot guarantee same  
day shipment. Express freight charged by carriers is not refundable regardless of ship date; please indicate alternate shipping  
choice if order cannot ship the same day.  
Terms and Conditions  
1. Standard terms will apply to all parts orders.  
2. Special pricing is available for bulk quantity orders. Contact the Customer Service Department (800) 831-7133 for pricing  
and specifics.  
3. Expedite fee for non-stocked heat exchangers, 24 hour turnaround $250.00 net.  
4. Expedite fee for non-stocked sheet metal parts (7 working days) is $250.00 per part.  
5. Cancellation fee for custom product already in production: $250.  
6. All parts are shipped FOB factory.  
Salable Returns / Unused Parts  
Parts in new condition with all original packaging will be considered for return within one year of date of purchase from Pentair,  
subject to a 25% restocking charge and recovery of other discounts or incentives earned at time of purchase. Invoice number and  
date of purchase must be furnished. Refunds will be made to the original purchaser only, and will be made at the sole discretion of  
Pentair. Return of parts may affect eligibility for other programs. Contact your Pentair representative for more information.  
Parts Limited Warranty  
Pentair warrants all parts to be free from defects in materials and workmanship to the original retail purchaser for one year from  
date of retail purchase. Proof of purchase is required. This limited warranty applies only to parts purchased for use as an original  
equipment replacement part in Pentair Commercial Pool and Spa Heating Systems boilers and water heaters. At its option, Pentair  
will repair or replace any part that fails under this limited warranty. Repair or replacement shall be the sole remedy, and Pentair  
shall not be liable for any field labor, removal, transportation to/from the factory, reinstallation or any other such costs.  
Return Under Warranty  
Parts should be returned to the place of purchase for warranty evaluation. If the original place of purchase is not known, contact  
your Pentair wholesaler, factory representative or Contract Service Center. Wholesalers, factory representatives and Contract  
Service Centers returning parts for warranty consideration must obtain a RMA (Return Merchandise Authorization) number from  
the Customer Service Department. Each part must be tagged with the original purchase date, model and serial number of the boiler  
it was installed on, and a description of the failure. Parts must be returned freight prepaid and clearly marked with the RMA  
number. The RMA expires if not returned within 90 days of issuance. Contact your Pentair representative or the Customer Service  
Department for more information on obtaining warranty coverage on large, heavy or bulky items.  
Pentair maintains a policy of continuous improvement. We reserve the right to change specifications and prices without notice.  
2
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MegaTherm Model MT  
Old style AP before April 1999, New style after April 1999  
Sizes 500,000 - 1,825,000 BTU/h  
Part No.  
Description  
Model Size  
Part No.  
Description  
Model Size  
GAS SYSTEM  
BURNER TRAYS  
See listing in MegaTherm HH, PH, VW, PW and IW for common components.  
L0032800 Orifice, LP Gas, 4001-8000 ft.......both ....................................  
L0032700 Orifice, LP Gas, 8001-10000 ft ....both ....................................  
V0004200 Gas Valve, Manual, 1", Nat  
10525901 Gas Manifold Weldment  
(single inlet) ..................................both .. 500..........................  
10525902 Gas Manifold Weldment  
(single inlet) ..................................both .. 600..........................  
10525903 Gas Manifold Weldment  
(single inlet) ..................................both .. 715..........................  
10525904 Gas Manifold Weldment  
(single inlet) ..................................both .. 850..........................  
10525905 Gas Manifold Weldment  
(single inlet) ..................................both .. 1010........................  
10525906 Gas Manifold Weldment  
LP 1010-1200 ...............................both .. 500-715 ..................  
V0004300 Gas Valve, Manual, 1-1/4", Nat  
LP 1430-1825 ...............................both .. 850-1825 ................  
V0004800 Gas Valve, Manual, 3/4", LP ........both .. 500-850 ..................  
RV0046600 Valve Gas Auto 1x1 Nat/LP 24V ..both .. 500-850 ..................  
RV0046700 Gas Valve, Safety, 1-1/4", On/Off  
& 2-Stage, Nat ..............................both .. 1010-1670 ..............  
V0046800 Gas Valve, Safety, 1-1/2" On/Off  
& 2-Stage, Nat ..............................both .. 1825........................  
V0047600 Gas Valve Combo, 1x1 Nat 24V ...............................................  
RV0051200 Valve Gas Combo 1" 24V Nat  
(single inlet) ..................................both .. 1200........................  
10525907 Gas Manifold Weldment  
On/Off & 2-Stage ..........................both .. 500-850 ..................  
RV0051300 Valve Gas Combo 1-1/4" 24V Nat  
(single inlet) ..................................both .. 1430........................  
10525908 Gas Manifold Weldment  
On/Off & 2-Stage ..........................both .. 1010-1430 ..............  
V0051400 Gas Valve, Combination/Operating  
(single inlet) ..................................both .. 1670........................  
10525909 Gas Manifold Weldment  
1-1/2", On/Off & 2-Stage, Nat .....both .. 1670-1825 ..............  
V0059600 Gas Valve, Combination/Operating  
(single inlet) ..................................both .. 1825........................  
RL0052300 Burner, Main 10 Pack ...................both ....................................  
10529501 Pilot Bracket/Burner Weldment  
(Johnson)......................................old.......................................  
10529502 Pilot Bracket/Burner Weldment  
(Honeywell)...................................both ....................................  
R10529300 Pilot Burner IID, Nat 500-1825  
Honeywell, 4-Stage ......................both ....................................  
R20039600 Pilot Burner Assy IID LP  
3/4", used on 4-Stage, Nat ...........both .. 500-715 ..................  
V0054800 Gas Valve, Combination/Operating  
1", On/Off & 2-Stage, LP .............both .. 500-1200 ................  
V0054900 Gas Valve, Combination/Operating  
1-1/4", On/Off & 2-Stage, LP.......both .. 1430-1825 ..............  
V0070800 Gas Valve, Combination/Operating  
3/4", used on 4-Stage, LP ............both .. 500-850 ..................  
W0002100 Pilot Gas Valve, Manual, Nat/LP..both .. all ..........................  
W0019300 Pilot Valve, Solenoid, Nat/LP .......both .. all ..........................  
W0002000 Pilot Regulator, Nat ......................both .. all ..........................  
W2000200 Pilot Regulator, LP .......................both .. all ..........................  
Honeywell, 4-Stage ......................both ....................................  
10547002 Complete Pilot Assy  
Standing Pilot, LP .........................both ....................................  
10547001 Complete Pilot Assy  
Standing Pilot, Nat........................both ....................................  
W0035800 Pilot Burner (Honeywell)  
Manifold cover plate assembliles, anti rotation brackets and tie down  
brackets - see listing for MegaTherm HH, PH, VW, PW and IW for common  
components.  
Standing Pilot, Nat........................both ....................................  
W0034400 Pilot Burner (Honeywell)  
ELECTRICAL COMPONENTS  
RE0100900 Controller, Ignition Module  
Standing Pilot, LP .........................both ....................................  
RW0034300 Pilot Burner (Honeywell) Spark Ignition  
Nat ................................................both ....................................  
W2001500 Pilot Burner (Honeywell) Spark Ignition  
LP..................................................both ....................................  
RW0034500 Pilot Burner Nat Spark Johnson...both ....................................  
W0034600 Pilot Burner (Johnson) Standing  
Pilot LP .........................................both ....................................  
W0036500 Thermocouple (Standing Pilot).....both ....................................  
10418815 Pilot Sensor Lead Assy - Std Pilot/  
(used prior to April 1999)..............both ....................................  
RE2033900 Ignition Control (used prior to April 1999) .................................  
E2305400 Ignition Control, UT 100% Lockout  
After 1 Retry ..............................................................................  
E2305500 Ignition Control, UT, Continuous Retry .....................................  
R0021300 Transformer, 40VA, 115/24V Kit ..both ....................................  
E2103900 High Limit, Manual Reset Switch .new.....................................  
E2103800 Water Temp Control 60-105°F.....new .....................................  
E2103600 Water Temp Sensor .....................new.....................................  
RE2218701 Pressure Switch, Water.............................................................  
RE0066200 Switch, Dual Aquastat ..................old.......................................  
E0109200 Toggle Switch, 3-Position.............both ....................................  
E0086800 Toggle Switch ...............................both ....................................  
10449518 Hi Tension Lead (orange/red wire  
Nat gas .........................................both ....................................  
10418816 Pilot Sensor Lead Assy - Std Pilot/LP  
Spark Ign / LP & Nat.....................both ....................................  
R10418814 Pilot Ignition Lead Assy - Spark Ign ..........................................  
L0050700 Orifice, Nat Gas, 0-2000 ft ...........both ....................................  
L0032600 Orifice, Nat Gas, 2001-5000 ft .....both ....................................  
L0050200 Orifice, Nat Gas, 5001-6000 ft .....both ....................................  
L0050300 Orifice, Nat Gas, 6001-7000 ft .....both ....................................  
L0050400 Orifice, Nat Gas, 7001-10000 ft ...both ....................................  
L0032900 Orifice, LP Gas, 0-4000 ft.............both ....................................  
from ignition ctrl to pilot lead) .......both .. 500-600 ..................  
10449519 Hi Tension Lead (orange/red wire  
from ignition ctrl to pilot lead) .......both .. 715-850 ..................  
10449520 Hi Tension Lead (orange/red wire  
from ignition ctrl to pilot lead) .......both .. 1010-1430 ..............  
3
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MegaTherm AP, Sizes 500,000-1,825,000  
Part No.  
Description  
Model Size  
Part No.  
Description  
Model Size  
10449521 Hi Tension Lead (orange/red wire  
from ignition ctrl to pilot lead) .......both .. 1670-1825 ..............  
BR670404 Tube Assy.....................................both .. 850..........................  
BR670405 Tube Assy.....................................both .. 1010........................  
BR670406 Tube Assy.....................................both .. 1200........................  
BR670407 Tube Assy.....................................both .. 1430........................  
BR670408 Tube Assy.....................................both .. 1670........................  
BR670409 Tube Assy.....................................both .. 1825........................  
For copper tube heat exchangers see listing on pages 16-17. It is  
recommended to use cupronickle heat exchangers for swimming pool  
applications.  
ELECTRICAL COMPONENTS (Optional)  
E0023300 High Gas Pressure Switch,  
Manual Reset ...............................both ....................................  
E0023500 Low Gas Pressure Switch  
Manual Reset ...............................both ....................................  
RE2075100 Low Water Cut Off  
Manual Reset, 120 VAC...............both ....................................  
V2000100 Normally Open Vent Valve  
24 Volts (System 9, 11) ................both ....................................  
10534301 Baffle, HX Front/Rear (indoor) .....both .. 500..........................  
10534302 Baffle, HX Front/Rear (indoor) .....both .. 600..........................  
10534303 Baffle, HX Front/Rear (indoor) .....both .. 715..........................  
10534304 Baffle, HX Front/Rear (indoor) .....both .. 850..........................  
10534305 Baffle, HX Front/Rear (indoor) .....both .. 1010........................  
10534306 Baffle, HX Front/Rear (indoor) .....both .. 1200........................  
10534307 Baffle, HX Front/Rear (indoor) .....both .. 1430........................  
10534308 Baffle, HX Front/Rear (indoor) .....old..... 1670........................  
10534309 Baffle, HX Front/Rear (indoor) .....old..... 1825........................  
20020108 Baffle, HX Front/Rear (indoor) .....new ... 1670........................  
20020109 Baffle, HX Front/Rear (indoor) .....new ... 1825........................  
10534601 Baffle, HX  
(500 =7 req; 1825=14 req) ..........both .. 500/1825 ................  
10534602 Baffle, HX (14 req)........................both .. 600..........................  
10534603 Baffle, HX (14 req)........................both .. 715..........................  
10534604 Baffle, HX (14 req)........................both .. 850..........................  
10534605 Baffle, HX (14 req)........................both .. 1010........................  
10534606 Baffle, HX (28 req)........................both .. 1200........................  
10534607 Baffle, HX (28 req)........................both .. 1430........................  
10534608 Baffle, HX (28 req)........................old..... 1670........................  
10534602 Baffle, HX (14 req)........................old..... 1825........................  
10667702 Baffle, HX (14 req)........................new... 1825........................  
10667708 Baffle, HX (28 req)........................new... 1670........................  
10667709 Baffle, HX (14 req)........................new... 1825........................  
20020101 Baffle, HX Front/Rear  
WATER SYSTEM  
Code Compliant ASME Tube Assemblies  
Built in accordance with the requirements of the ASME Boiler and Pressure  
Vessel Code. Individually serialized with H-4 data reports on file as required  
by section HG-520.2 and HG-531  
Cupronickel tubes with glass-lined headers, ideal for corrosive or  
softwater applications (under 7.5 grains hardness) or when hard water  
pumping creates higher tube velocities. Suitable for use with swimming  
pool heaters.  
Indoor Boilers (8 Tubes):  
BR098401 Tube Assy.....................................both .. 500..........................  
BR098402 Tube Assy.....................................both .. 600..........................  
BR098403 Tube Assy.....................................both .. 715..........................  
BR098404 Tube Assy.....................................both .. 850..........................  
BR098405 Tube Assy.....................................both .. 1010........................  
BR098406 Tube Assy.....................................both .. 1200........................  
BR098407 Tube Assy.....................................both .. 1430........................  
BR098408 Tube Assy.....................................both .. 670..........................  
BR098409 Tube Assy.....................................both .. 1825........................  
Outdoor Boilers (10 Tubes):  
BR001001 Tube Assy.....................................both .. 500..........................  
BR001002 Tube Assy.....................................both .. 600..........................  
BR001003 Tube Assy.....................................both .. 715..........................  
BR001004 Tube Assy.....................................both .. 850..........................  
BR001005 Tube Assy.....................................both .. 1010........................  
BR001006 Tube Assy.....................................both .. 1200........................  
BR001007 Tube Assy.....................................both .. 1430........................  
BR001008 Tube Assy.....................................both .. 1670........................  
BR001009 Tube Assy.....................................both .. 1825........................  
(outdoor) (2 req) ...........................both .. 500..........................  
20020102 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 600..........................  
20020103 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 715..........................  
20020104 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 850..........................  
20020105 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 1010........................  
20020106 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 1200........................  
20020107 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 1430........................  
20020108 Baffle, HX Front/Rear  
(outdoor) (2 req) ...........................both .. 1670........................  
20020109 Baffle, HX Front/Rear  
(outdoor), (2 req) ..........................both .. 1825........................  
10667701 Baffle, HX (8 tube outdoor)  
(500 =qty 7; 1825=14 req)............both .. 500..........................  
10667702 Baffle, HX (8 tube outdoor)  
(14 req) .........................................both .. 600..........................  
10667703 Baffle, HX (8 tube outdoor)  
(14 req) .........................................both .. 715..........................  
10667704 Baffle, HX (8 tube outdoor)  
Cupronickel tubes with bronze headers, a non-ferrous solution for the  
most demanding systems. Suitable for higher oxygen content hydronic  
systems, all volume water applications and excellent for swimming pool  
heaters.  
Indoor Boilers (8 Tubes):  
BR553701 Tube Assy.....................................both .. 500..........................  
BR553702 Tube Assy.....................................both .. 600..........................  
BR553703 Tube Assy.....................................both .. 715..........................  
BR553704 Tube Assy.....................................both .. 850..........................  
BR553705 Tube Assy.....................................both .. 1010........................  
BR553706 Tube Assy.....................................both .. 1200........................  
BR553707 Tube Assy.....................................both .. 1430........................  
BR553708 Tube Assy.....................................both .. 1670........................  
BR553709 Tube Assy.....................................both .. 1825........................  
Outdoor Boilers (10 Tubes):  
(14 req) .........................................both .. 850..........................  
10667705 Baffle, HX (8 tube outdoor)  
BR670401 Tube Assy.....................................both .. 500..........................  
BR670402 Tube Assy.....................................both .. 600..........................  
BR670403 Tube Assy.....................................both .. 715..........................  
(28 req) .........................................both .. 1010........................  
4
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MegaTherm MT, Sizes 500,000-1,825,000  
Part No.  
Description  
Model Size  
Part No.  
Description  
Model Size  
10667706 Baffle, HX (8 tube outdoor)  
(28 req) .........................................both .. 1200........................  
10667707 Baffle, HX (8 tube outdoor)  
(28 req) .........................................both .. 1430........................  
10667708 Baffle, HX (8 tube outdoor)  
(28 req) .........................................both .. 1670........................  
10667709 Baffle, HX (8 tube outdoor)  
(14 req) .........................................both .. 1825........................  
10667702 Baffle, HX (8 tube outdoor)  
(14 req) .........................................both .. 1825........................  
10364300 Return Header  
(S0098100 glassed cast iron) ......old.......................................  
10364301 Return Header  
(S0064200 bronze).......................old.......................................  
10364500 Inlet/Outlet Header  
A2010305 Impeller 4.85" dia. (Armstrong 1050) ...... 1825........................  
JACKET AND COMBUSTION CHAMBER COMPONENTS  
See listings in MegaTherm Models HH, PH, VW, PW and IW for common  
components.  
COMPLETE TILE ASSEMBLIES  
See “Tile Assembly Pages” for details and dimensions.  
20031901 Complete Tile Assy.......................new... 500..........................  
20031902 Complete Tile Assy.......................new... 600..........................  
20031903 Complete Tile Assy.......................new... 715..........................  
20031904 Complete Tile Assy.......................new... 850..........................  
20031905 Complete Tile Assy.......................new... 1010........................  
R20031906 Tile Assy HH PH IW PW VW........new... 1200........................  
20031907 Complete Tile Assy.......................new... 1430........................  
R20031908 Tile Assy HH PH IW PW VW................... 1670........................  
R20031909 Tile Assy .................................................. 1825........................  
T0024300 Tile, End........................................new ... all ............................  
T2000100 Tile, Front & Rear .........................new ... all ............................  
T2005600 Tile, Front & Rear .........................new... 500..........................  
T2005700 Tile, Front & Rear .........................new... 600/1010 ................  
T2005800 Tile, Front & Rear .........................new... 600/1430 ................  
T2005900 Tile, Front & Rear .........................new... 715..........................  
T2006000 Tile, Front & Rear .........................new... 850..........................  
T2006100 Tile, Front & Rear .........................new... 1010........................  
T2006200 Tile, Front & Rear .........................new... 1200/1670 ..............  
T2006300 Tile, Front & Rear .........................new... 1825........................  
T2023600 Tile, Front & Rear .........................new... 715-1825 ................  
T0024302 Tile, End  
(S0094300 glassed cast iron)  
after s/n 4/99 w/o holes ................both ....................................  
10364501 Inlet/Outlet Header  
(S0064000 bronze).......................both ....................................  
R10364504 Header Cover In/Out  
cast iron, before s/n 4/99 w/holes ........... both.........................  
10364505 Inlet/Outlet Header (service bronze) ....... both.........................  
10391303 Flange, 2-1/2" NPT Machined  
(S0063600 cast iron) ....................both .. 500-1825 ................  
R10391304 Flange Kit Bronze, 2.5" Flange  
w/gasket, bolts and washers ................... 1000........................  
20130002 Adapter Tee, Flange, 2-1/2" NPT  
(glassed cast iron) outlet side ......new ... 500-1827 ................  
20150303 Adapter Tee, Flange 2 -1/2" NPT  
s/n# before April 1999 ..................old..... all ............................  
T2000102 Tile, Front & Rear  
s/n# before April 1999 ..................old..... all ............................  
T2005602 Tile, Front & Rear  
s/n# before April 1999 ..................old..... 500..........................  
T2005702 Tile, Front & Rear  
s/n# before April 1999 ..................old..... 600/1010 ................  
T2005802 Tile, Front & Rear  
(bronze) outlet side.......................new... 500-1825 ................  
10338300 Baffle, Water Inlet .........................both ....................................  
20305101 Barrier, Water ...............................new.....................................  
S0063700 Flange Gasket (qty 2) ...................both ....................................  
S0095100 Header Gasket (qty 2) ..................both ....................................  
RE2058300 Immersion Well Kit (nickel plated).............................................  
E0025900 Immersion Well (non plated) .....................................................  
E0026400 Immersion Well (stainless) ........................................................  
A0063300 Valve, Pressure Relief  
s/n# before April 1999 ..................old..... 600/1430 ................  
T2005902 Tile, Front & Rear  
s/n# before April 1999 ..................old..... 715..........................  
T2006002 Tile, Front & Rear  
3/4 NPT 75 psi ..............................both .. 500-715 ..................  
A0063600 Valve, Pressure Relief  
s/n# before April 1999 ..................old..... 850..........................  
T2006102 Tile, Front & Rear  
s/n# before April 1999 ..................old..... 1010........................  
T2006202 Tile, Front & Rear  
3/4 NPT 75 psi ..............................both .. 850-1825 ................  
E0013100 Flow Switch (indoor) .....................new.....................................  
RE0013000 Flow Switch Kit (outdoor or indoor) new ...................................  
A0021400 Pump Gasket (between pump  
s/n# before April 1999 ..................old..... 1200/1670 ..............  
T2006302 Tile, Front & Rear  
s/n# before April 1999 ..................old..... 1825........................  
T2023602 Tile, Front & Rear  
& pump housing) ..........................new.....................................  
10364200 Pump Adapter (glassed cast iron) new.....................................  
10364201 Pump Adapter (cast bronze) ........new .....................................  
R10261501 Pump Housing (volute) Glassed ..new.....................................  
10483301 Pump Housing (bronze) ...............new.....................................  
10338400 Baffle, Diffuser ..............................new.....................................  
S0024600 Pump Housing Gasket (between  
s/n# before April 1999 ..................old..... 715-1825 ................  
OUTDOOR JACKET COMPONENTS  
See listings in MegaTherm Models HH, PH, VW, PW and IW for common  
components.  
pump housing & pump adapter)...new.....................................  
20601500 EM2: Energy Management Monitor new .....................................  
MISCELLANEOUS  
20130005 Adapter Tee, 2-1/2" NPT, C/I  
PUMP PARTS - NEW  
20050100 Pump Cover Assy .........................all ........................................  
(used on PW/PH w/ LWCO) inlet side .... 1010-1825 ..............  
20150306 Adapter Tee, 2-1/2" NPT, Bronze  
(used on PW/PH w/ LWCO) inlet side .... 1010-1825 ..............  
R0010000 Tube Cleaning Kit, 7/8" Tubes ....all ........................................  
A2010500 Pump Coupler Assy  
(Armstrong 1050)..........................all ........................................  
A2010100 Pump Module, Shaft & Bearing  
(Armstrong 1050)..........................all ........................................  
A2010200 Seal Kit (Armstrong 1050) ............all ........................................  
A2010304 Impeller 4.53" dia. (Armstrong 1050) ...... 500-1670 ................  
5
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MegaTherm AP, Sizes 500,000-1,825,000  
Part No.  
Description  
Model Size  
Part No.  
Description  
Model Size  
CROSS REFERENCE FOR NO LONGER AVAILABLE P/N’S  
10364504 Inlet/Outlet Header, (Service Glassed Cast Iron)  
before s/n# April 1999 - NLA........................... use K10364504  
10391304 Flange, 2-1/2" NPT Machined  
(S0064400 Bronze) - NLA  
10418814 Pilot Ignition Lead Assy - Spark ignition  
LP & Nat - NLA ................................................ use K10418814  
10529300 Complete Pilot Assy, Spark  
Ignition, Nat - NLA ........................................... use K10529300  
20031906 Complete Tile Assy - NLA ............................... use K20031906  
20031908 Complete Tile Assy - NLA  
20031909 Complete Tile Assy - NLA ............................... use K20031909  
20039600 Complete Pilot Assy, Spark  
Ignition, LP - NLA ............................................ use K20039600  
E0013000 Flow Switch (outdoor) - NLA  
E0066200 Dual Aquastat/Hi-Limit w/Manual Reset - NLA use KE0066200  
E0086100 Transformer, 115V/24V - NLA........................... use R0021300  
E0100900 Ignition Control, Electronic, Nat - NLA  
E2033900 Ignition Control, Electronic. Spark LP/CSD-1  
(100% Lockout) - NLA ..................................... use KE2033900  
E2075100 Low Water CutOff - NLA.................................. use RE2075100  
E2218701 Pressure Switch - NLA ................................... use KE2218701  
L0052300 Burner, Main - NLA.......................................... use KL0052300  
V0046600 Gas Valve, Safety, 1", On/Off & 2-Stage,  
Nat - NLA ........................................................ use KV0046600  
V0046700 Gas Valve, Safety, 1-1/4", On/Off & 2-Stage,  
Nat - NLA  
V0051200 Gas Valve, Combination/Operating,  
1", On/Off & 2-Stage, Nat - NLA .................... use KV0051200  
V0051300 Gas Valve, Combination/Operating,  
1-1/4", On/Off & 2-Stage, Nat - NLA  
W0034300 Pilot Burner (Honeywell) Spark Ignition,  
Nat - NLA ........................................................ use KW0034300  
W0034500 Pilot Burner (Johnson) Spark Ignition,  
Nat - NLA ........................................................ use KW0034500  
6
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MegaTherm Model MT  
Sizes 2,000,000 - 5,000,000 BTU/h  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
MAIN GAS SYSTEM  
V2013800 Valve, Manual ............................................................................  
V2013900 Valve, Manual ............................................................................  
V2003100 Valve,Ball, Lubricated................................................................  
V2003200 Valve,Ball, Lubricated, 1-1/2" Jomar.........................................  
V2003300 Valve,Ball, Lubricated, 2" Jomar ...............................................  
L2002200 Orifice Nat, #20 DMS ................................................................  
L2006100 Orifice Nat, #23 DMS ................................................................  
L2006400 Orifice Nat, #24 DMS ................................................................  
L2006700 Orifice Nat, #26 DMS ................................................................  
L2007000 Orifice Nat, #27 DMS ................................................................  
L2007300 Orifice Nat, #28 DMS ................................................................  
L2007600 Orifice Nat, #29 DMS ................................................................  
L2007900 Orifice Nat, #30 DMS ................................................................  
L2008000 Orifice Nat, #31 DMS ................................................................  
L2011300 Orifice LP, #35 DMS..................................................................  
L2002500 Orifice LP, #36 DMS..................................................................  
L2002600 Orifice LP, #37 DMS..................................................................  
L2002700 Orifice LP, #38 DMS..................................................................  
L2002800 Orifice LP, #39 DMS..................................................................  
L2002900 Orifice LP, #41 DMS..................................................................  
L2008100 Orifice LP, #40 DMS..................................................................  
L2005300 Orifice LP, #42 DMS..................................................................  
L2005400 Orifice LP, #43 DMS..................................................................  
V0001800 Manual Gas Valve, Nat ................. all ......................................  
V0004300 Manual Gas Valve, LP................... 2000 ..................................  
RV0046700 Safety Gas Valve Kit ..................... 2000 ..................................  
V0046800 Safety Gas Valve, Motor Mod, ..................................................  
Nat/LP ............................................ 2000-3050 ........................  
PILOT GAS SYSTEM  
20048001 Burner/Pilot Assy, Standing Pilot, LP........................................  
R20047801 Burner/Pilot Assy, Spark Ign, Nat (Johnson) ............................  
20047901 Burner/Pilot Assy, Spark, LP.....................................................  
RW0034300 Pilot Nat IID ...............................................................................  
W0034400 Pilot, HW, Standing, LP.............................................................  
RW0034500 Pilot Burner Nat Spark (Johnson) .............................................  
W0034600 Pilot, JC, LP, Standing Pilot ......................................................  
W0034700 Pilot, JC, Nat, Standing Pilot .....................................................  
W0034800 Pilot, HW, Standing, Nat............................................................  
W0035800 Pilot, NAT...................................................................................  
W0036500 Thermocouple............................................................................  
W2000100 Pilot Filter...................................................................................  
20035405* Complete Pilot Wiring Assy, Spark all ......................................  
20035406* Complete Pilot Wiring Assy, Std ... all ......................................  
20052006 Pilot Ignition Lead Assy (10.75") ... all ......................................  
20052005 Pilot Sensor Lead Assy (8.70") ..... all ......................................  
10418817 Pilot Ignition Lead Assy (23.50") ... all ......................................  
10418818 Pilot Sensor Lead Assy (24.50") ... all ......................................  
10449519 Hi Tension Lead (37") ................... all ......................................  
RL2005800 Burners, 2,000-5,000, 5 Pack ....... all ......................................  
*Consult Factory to Determine Correct Parts  
V0046900 Auto Safety Valve, Nat/LP............. 3200-5000 ........................  
V2000500 Safety Valve, 2-Stage, Nat/LP ...... 4000-5000 ........................  
V0021300 Safety Valve, Nat - ........................ 2000, 5000,.......................  
....................................................... 4500 ..................................  
V2001300 Safety Valve, Nat........................... 5000, 4500........................  
V0047800 Combination/Operating Gas Valve, ..........................................  
On/Off, Nat .................................... 2200-5000 ........................  
ELECTRICAL COMPONENTS  
RE0014400 Control, Temp 100-240°F Auto Reset ......................................  
V0047900 Combination/Operating Gas Valve, ..........................................  
On/Off, Nat .................................... 2800/3050.........................  
V0054900 Combination/Operating Gas Valve, ..........................................  
2 -Stage, LP................................... 2000, 4500,.......................  
E0093200 Operating Control/Thermostat, 2-Stage  
(130-230°F) ...............................................................................  
RE0100900 Ignition Control, Electronic, Nat, Standing Pilot........................  
E2305400 Ignition Control, Electronic, Spark  
....................................................... 5000 ..................................  
V0051400 Combination/Operating Gas Valve, ..........................................  
2 -Stage, Nat ................................. 2200, 2450,.......................  
....................................................... 4500, 5000........................  
V2001000 Combination/Operating Gas Valve, ..........................................  
2 -Stage, Nat ................................. 2800/3050.........................  
LP/CSD-1 (100% Lockout), Nat/LP...........................................  
E2305500 Ignition Control, Nat Spk, Continous Retry ...............................  
R0021300 Transformer, 40VA, 115/24V ....................................................  
RE0015900 High Limit Kit, Manual Reset (Temp Ctrl, 100-225°F)..............  
E0101800 Terminal Block 12 Position........................................................  
E0076400 Temperature Controller, Modulating  
RV0051300 Valve Gas Combo 1-1/4 24V Nat 2-Stage ................................  
Outdoor Reset ...........................................................................  
E0082100 Low-Temp Ctrl, 2-Stage (0-110°F) ..........................................  
E0086800 Toggle Switch ............................................................................  
E0109200 Toggle Switch, 3-Position (for EM2) .........................................  
E0093800 Operating Control/Thermostat, Modulating...............................  
E0098300 SPST Relay, 24 Volt Coil ..........................................................  
W0002100 Manual Pilot Valve ......................... all ......................................  
V0026700 Regulator, 1/2" x 1/2" - Nat ........... 2000 ..................................  
V0027000 Regulator, 2-1/2" x 2-1/2" - Nat ..... 4500/5000.........................  
V0048400 Motorized Valve Body - 2" .........................................................  
V0048500 Motorized Valve Body - 2-1/2" ..................................................  
V0048600 Motorized Valve Body - 3" .........................................................  
V0048700 Modulating Actuator (120V) .......... all ......................................  
V0048800 On/Off Actuator (120V).................. all ......................................  
V2000300 2-Stage Actuator (120V)................ all ......................................  
W0002000 Pilot Regulator, Nat ...................................................................  
W0019300 Pilot Valve, Solenoid, Nat/LP ....................................................  
RW0030000 Pilot Relay, Manual Reset .........................................................  
E0023300 High Gas Pressure Switch ........................................................  
E0023500 Low Gas Pressure Switch .........................................................  
COMBUSTION CHAMBER COMPONENTS - Base  
20067201 Base Weldment Assy .................... 2000 ..................................  
20067202 Base Weldment Assy .................... 2450I/2200E .....................  
20067203 Base Weldment Assy .................... 3050I/2800E .....................  
20067204 Base Weldment Assy .................... 3500I/3200E .....................  
20067205 Base Weldment Assy .................... 4050I/3600E .....................  
20067206 Base Weldment Assy .................... 4500I/4000E .....................  
20067207 Base Weldment Assy .................... 5000I/4500E .....................  
20011001 Lower Base Assy........................... 2000 ..................................  
7
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MegaTherm MT, Sizes 2,000,000-5,000,000  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
20011002 Lower Base Assy........................... 2450I/2200E .....................  
20011003 Lower Base Assy........................... 3050I/2800E .....................  
20011004 Lower Base Assy........................... 3500I/3200E .....................  
20011005 Lower Base Assy........................... 4050I/3600E .....................  
20011006 Lower Base Assy........................... 4500I/4000E .....................  
20011007 Lower Base Assy........................... 5000I/4500E .....................  
20011101 Rail Support Assy, End Tile, Left .. all ......................................  
20011102 Rail Support Assy, End Tile, Right all ......................................  
20102101 Gas Manifold Weldment  
(single inlet) ................................... 2000 ..................................  
20102102 Gas Manifold Weldment  
(single inlet) ................................... 2450I/2200E .....................  
20102103 Gas Manifold Weldment  
20004902 Center Bar Support Assy ..........................................................  
20005601 Center Heat Shield Panel.............. 2000 ..................................  
20005602 Center Heat Shield Panel.............. 2450I/2200E .....................  
20005603 Center Heat Shield Panel.............. 3050I/2800E .....................  
20005604 Center Heat Shield Panel.............. 3500I/3200E .....................  
20005605 Center Heat Shield Panel.............. 4050I/3600E .....................  
20005606 Center Heat Shield Panel.............. 4500I/4000E .....................  
20005607 Center Heat Shield Panel.............. 5000I/4500E .....................  
20005701 Center Heat Shield Assy ............... 2000 ..................................  
20005702 Center Heat Shield Assy ............... 2450I/2200E .....................  
20005703 Center Heat Shield Assy ............... 3050I/2800E .....................  
20005704 Center Heat Shield Assy ............... 3500I/3200E .....................  
20005705 Center Heat Shield Assy ............... 4050I/3600E .....................  
20005706 Center Heat Shield Assy ............... 4500I/4000E .....................  
20005707 Center Heat Shield Assy ............... 5000I/4500E .....................  
20002300 Tile end Shield, inner..................... all ......................................  
20005801 Tile Cover (qty 2) ........................... 2000 ..................................  
20005802 Tile Cover (qty 2) ........................... 2450I/2200E .....................  
20005803 Tile Cover (qty 2) ........................... 3050I/2800E .....................  
20005804 Tile Cover (qty 2) ........................... 3500I/3200E .....................  
20005805 Tile Cover (qty 2) ........................... 4050I/3600E .....................  
20005806 Tile Cover (qty 2) ........................... 4500I/4000E .....................  
20005807 Tile Cover (qty 2) ........................... 5000I/4500E .....................  
10533601 Saddle Assy End Tile (qty 2) ......... all ......................................  
20052701 Complete Tile Assy........................ 2000 ..................................  
20052702 Complete Tile Assy........................ 2450I/2200E .....................  
20052703 Complete Tile Assy........................ 3050I/2800E .....................  
20052704 Complete Tile Assy........................ 3500I/3200E .....................  
20052705 Complete Tile Assy........................ 4050I/3600E .....................  
20052706 Complete Tile Assy........................ 4500I/4000E .....................  
20052707 Complete Tile Assy........................ 5000I/4500E .....................  
20052501 Complete Pyro Tile Assy (AP)....... 2000 ..................................  
20052502 Complete Pyro Tile Assy (AP)....... 2450I/2200E .....................  
20052503 Complete Pyro Tile Assy (AP)....... 3050I/2800E .....................  
20052504 Complete Pyro Tile Assy (AP)....... 3500I/3200E .....................  
20052505 Complete Pyro Tile Assy (AP)....... 4050I/3600E .....................  
20052506 Complete Pyro Tile Assy (AP)....... 4500I/4000E .....................  
20052507 Complete Pyro Tile Assy (AP)....... 5000I/4500E .....................  
T2003800 End Tile, Left, ................................ all ......................................  
T2003802 End Tile, Left (AP) ........................ all ......................................  
T2003900 End Tile, Right, .............................. 2000-5000 ........................  
T2003902 Tile, Pyro, End, Right (AP) ........... all ......................................  
T2004000 Tile (17") ........................................ all ......................................  
T2004002 Spacer Tile Front & Rear (AP) ..... all ......................................  
T2006400 Tile (16") ........................................ 2000, 2200,  
(single inlet) ................................... 3050I/2800E .....................  
20102104 Gas Manifold Weldment  
(single inlet) ................................... 3500I/3200E .....................  
20102601 Gas Manifold Weldment (dual inlet) 2000.................................  
20102602 Gas Manifold Weldment (dual inlet) 2450I/2200E ....................  
20102603 Gas Manifold Weldment (dual inlet) 3050I/2800E ....................  
20102604 Gas Manifold Weldment (dual inlet) 3500I/3200E ....................  
20102605 Gas Manifold Weldment (dual inlet) 4050I/3600E ....................  
20102606 Gas Manifold Weldment (dual inlet) 4500I/4000E ....................  
20102607 Gas Manifold Weldment (dual inlet) 5000I/4500E ....................  
20011401 Rear Tile Rail Assy ........................ 2000 ..................................  
20011402 Rear Tile Rail Assy ........................ 2450I/2200E .....................  
20011403 Rear Tile Rail Assy ........................ 3050I/2800E .....................  
20011404 Rear Tile Rail Assy ........................ 3500I/3200E .....................  
20011405 Rear Tile Rail Assy ........................ 4050I/3600E .....................  
20011406 Rear Tile Rail Assy ........................ 4500I/4000E .....................  
20011407 Rear Tile Rail Assy ........................ 5000I/4500E .....................  
20011301 Front Tile Rail Assy ....................... 2000 ..................................  
20011302 Front Tile Rail Assy ....................... 2450I/2200E .....................  
20011303 Front Tile Rail Assy ....................... 3050I/2800E .....................  
20011304 Front Tile Rail Assy ....................... 3500I/3200E .....................  
20011305 Front Tile Rail Assy ....................... 4050I/3600E .....................  
20011306 Front Tile Rail Assy ....................... 4500I/4000E .....................  
20011307 Front Tile Rail Assy ....................... 5000I/4500E .....................  
20012401 Rear Closure Assy ........................ 2000 ..................................  
20012402 Rear Closure Assy ........................ 2450I/2200E .....................  
20012403 Rear Closure Assy ........................ 3050I/2800E .....................  
20012404 Rear Closure Assy ........................ 3500I/3200E .....................  
20012405 Rear Closure Assy ........................ 4050I/3600E .....................  
20012406 Rear Closure Assy ........................ 4500I/4000E .....................  
20012407 Rear Closure Assy ........................ 5000I/4500E .....................  
COMBUSTION CHAMBER COMPONENTS - Tile  
....................................................... 2450, 3200,  
20012101 Tile Heat Shield Assy (qty 2)......... 2000 ..................................  
20012102 Tile Heat Shield Assy (qty 2)......... 2450I/2200E .....................  
20012103 Tile Heat Shield Assy (qty 2)......... 3050I/2800E .....................  
20012104 Tile Heat Shield Assy (qty 2)......... 3500I/3200E .....................  
20012105 Tile Heat Shield Assy (qty 2)......... 4050I/3600E .....................  
20012106 Tile Heat Shield Assy (qty 2)......... 4500I/4000E .....................  
20012107 Tile Heat Shield Assy (qty 2)......... 5000I/4500E .....................  
20003201 Heat Shield Support ...................... 2000 ..................................  
20003202 Heat Shield Support ...................... 2450I/2200E .....................  
20003203 Heat Shield Support ...................... 3050I/2800E .....................  
20003204 Heat Shield Support ...................... 3500I/3200E .....................  
20003205 Heat Shield Support ...................... 4050I/3600E .....................  
20003206 Heat Shield Support ...................... 4500I/4000E .....................  
20003207 Heat Shield Support ...................... 5000I/4500E .....................  
20004900 Center Support Assy .................................................................  
20004901 End Bar Support Assy ...............................................................  
....................................................... 3500, 3600,  
....................................................... 4050, 4500E,  
....................................................... 5000 ..................................  
T2006402 Tile, Pyro, Front & Rear  
See T2006400 models ..............................................................  
T2006500 Tile (9") - 2800, 3050, 4000, 4500I ...........................................  
T2006502 Tile, Pyro, Front & Rear, Left  
See T2006500 models ..............................................................  
T2006600 Tile (15.38") ................................... 2000 ..................................  
T2006602 Tile, Pyro, Front & Rear, Right ...... 2000 ..................................  
T2006700 Tile (8.38") ..................................... 2200/2450.........................  
T2006702 Tile, Pyro, Front & Rear, Right ...... 2200/2450.........................  
T2006800 Tile (10.75") ................................... 2800/3050.........................  
T2006802 Tile, Pyro, Front & Rear, Right ...... 2800/3050.........................  
T2006900 Tile (13.75") ................................... 3200/3500.........................  
T2006902 Tile, Pyro, Front & Rear, Right ...... 3200/3500.........................  
8
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MegaTherm MT, Sizes 2,000,000-5,000,000  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
T2007000 Tile (9.25") ..................................... 3600,4050,  
....................................................... 4000,4500I........................  
T2007002 Tile, Pyro, Front & Rear, Right  
Copper tubes w/ bronze headers, a non-ferrous solution for systems w/  
higher oxygen content. Especially suited for volume water applications w/  
normal water hardness (7.5 to 17 grains hardness).  
see T2007000 models (AP).......................................................  
BR021301 Tube Assy ...................................... 2000 ..................................  
BR021302 Tube Assy ...................................... 2450I/2200E .....................  
BR021303 Tube Assy ...................................... 3050I/2800E .....................  
BR021304 Tube Assy ...................................... 3500I/3200E .....................  
BR021305 Tube Assy ...................................... 4050I/3600E .....................  
BR021306 Tube Assy ...................................... 4500I/4000E .....................  
BR021307 Tube Assy ...................................... 5000I/4500E .....................  
T2007100 Tile (14.75") ................................... 4500E/5000 ......................  
T2007102 Tile, Pyro, Front & Rear, Right ...... 4500E/5000 ......................  
20002600 End Tile Channel .......................................................................  
20090101 Burner Retainer Weldment............ 2000 ..................................  
20090102 Burner Retainer Weldment............ 2450I/2200E .....................  
20090103 Burner Retainer Weldment............ 3050I/2800E .....................  
20090104 Burner Retainer Weldment............ 3500I/3200E .....................  
20090105 Burner Retainer Weldment............ 4050I/3600E .....................  
20090106 Burner Retainer Weldment............ 4500I/4000E .....................  
20090107 Burner Retainer Weldment............ 5000I/4500E .....................  
Cupronickel tubes w/ glass-lined headers, ideal for corrosive or  
softwater applications (under 7.5 grains hardness), or when hard water  
pumping creates higher tube velocities. Suitable for swimming pool  
heaters.  
WATER SYSTEM  
Code Compliant ASME Heat Exchangers  
Built in accordance w/ the requirements of the ASME Boiler and Pressure  
Vessel Code. Individually serialized w/ H-4 data reports on file as required  
by section HG-520.2 and HG-531.  
20012801 Complete Heat Exchanger Assy  
(single pass, 18 tube) .................... 2000 ..................................  
20012802 Complete Heat Exchanger Assy  
BR098901 Tube Assy ...................................... 2000 ..................................  
BR098902 Tube Assy ...................................... 2450I/2200E .....................  
BR098903 Tube Assy ...................................... 3050I/2800E .....................  
BR098904 Tube Assy ...................................... 3500I/3200E .....................  
BR098905 Tube Assy ...................................... 4050I/3600E .....................  
BR098906 Tube Assy ...................................... 4500I/4000E .....................  
BR098907 Tube Assy ...................................... 5000I/4500E .....................  
(single pass, 18 tube) .................... 2450I/2200E .....................  
20012803 Complete Heat Exchanger Assy  
(single pass, 18 tube) .................... 3050I/2800E .....................  
20012804 Complete Heat Exchanger Assy  
(single pass, 18 tube) .................... 3500I/3200E .....................  
20012805 Complete Heat Exchanger Assy  
(single pass, 18 tube) .................... 4050I/3600E .....................  
20012806 Complete Heat Exchanger Assy  
Cupronickel tubes w/ bronze headers, a non-ferrous solution for the  
most demanding systems. Suitable for higher oxygen hydronic systems, all  
volume water applications and swimming pool heaters.  
BR021401 Tube Assy ...................................... 2000 ..................................  
BR021402 Tube Assy ...................................... 2450I/2200E .....................  
BR021403 Tube Assy ...................................... 3050I/2800E .....................  
BR021404 Tube Assy ...................................... 3500I/3200E .....................  
BR021405 Tube Assy ...................................... 4050I/3600E .....................  
BR021406 Tube Assy ...................................... 4500I/4000E .....................  
BR021407 Tube Assy ...................................... 5000I/4500E .....................  
(single pass, 18 tube) .................... 4500I/4000E .....................  
20012807 Complete Heat Exchanger Assy  
(single pass, 18 tube) .................... 5000I/4500E .....................  
R20001301 Heat Exch 18 Tube Cop/Glass...... 2000 ..................................  
20001302 Complete Heat Exchanger Assy  
(double pass, 18 Tube) ................. 2450I/2200E .....................  
20001303 Complete Heat Exchanger Assy  
(double pass, 18 Tube) ................. 3050I/2800E .....................  
20001304 Complete Heat Exchanger Assy  
(double pass, 18 Tube) ................. 3500I/3200E .....................  
20001305 Complete Heat Exchanger Assy  
S0095300 Header Gasket (2 req)................... all ......................................  
20230102 Water Barrier ................................. all ......................................  
RE2075100 Low Water Cut Off, Manual Reset, 120 VDC ...........................  
RE0013000 Flow Switch Kit (outdoor) ..........................................................  
E0013100 Flow Switch (indoor) ..................................................................  
RE2058300 Immersion Well (nickel plated) Kit.............................................  
E0025900 Immersion Well (non-plated) .....................................................  
E0026400 Immersion Well (stainless) ........................................................  
A0063500 Pressure Relief Valve  
(double pass, 18 Tube) ................. 4050I/3600E .....................  
R20001306 Heat Exch 18 Tube Cop/Glass...... 4500I/4000E .....................  
20001307 Complete Heat Exchanger Assy  
125#, 3/4" x 3/4" ............................ 2000 ..................................  
A0000400 Pressure Relief Valve  
(double pass, 18 Tube) ................. 5000I/4500E .....................  
125#, 1" x 1" .................................. 2200-3200 ........................  
A0000200 Pressure Relief Valve  
Code Compliant ASME Tube Assemblies  
125#, 1-1/4" x 1-1/4"...................... 3500-5000 ........................  
A0002700 Pressure Relief Valve  
75#, 1" x 1-1/4" .............................. 2000-2450 ........................  
A0000300 Pressure Relief Valve  
Built in accordance w/ the requirements of the ASME Boiler and Pressure  
Vessel Code. Individually serialized w/ H-4 data reports on file as required  
by section HG-520.2 and HG-531.  
75#, 1-1/4" x 1-1/2"........................ 2800-4050 ........................  
A2080000 Pressure Relief Valve  
Copper tubes and glass-lined headers, ideal for hydronic or other closed  
loop, low oxygen content systems. Performs well w/ normal water (7.5 to 17  
grains hardness) in volume water applications.  
BR010801 Tube Assy...................................... 2000 ..................................  
BR010802 Tube Assy...................................... 2450I/2200E .....................  
BR010803 Tube Assy...................................... 3050I/2800E .....................  
BR010804 Tube Assy...................................... 3500I/3200E .....................  
BR010805 Tube Assy...................................... 4050I/3600E .....................  
BR010806 Tube Assy...................................... 4500I/4000E .....................  
BR010807 Tube Assy...................................... 5000I/4500E .....................  
75#, 1-1/2" x 2" .............................. 4500-5000 ........................  
20081601 Flow Control Assy (AP) ................. 2000-2450 ........................  
20081602 Flow Control Assy (AP) ................. 3050-3500 ........................  
20081603 Flow Control Assy (AP) ................. 4050-5000 ........................  
S2000200 Casting, Flow Control (AP)............ all ......................................  
10416200 In/Outlet Header (double pass) ..... all ......................................  
20021000 In/Outlet Header, Bronze  
(single pass) .................................. all ......................................  
S0095600 Flange Gasket (2 req) ................... all ......................................  
9
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MegaTherm MT, Sizes 2,000,000-5,000,000  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
10417400 Flange, 4" cast iron (2 req)............ all ......................................  
10416100 Return Header (double pass)........ all ......................................  
20021100 Return Header, Bronze  
20011607 Lower Panel Assy  
Front & Rear (2 req) ...................... 5000I/4500E .....................  
20006401 Front & Rear Closure (2 req)......... 2000 ..................................  
20006402 Front & Rear Closure (2 req)......... 2450I/2200E .....................  
20006403 Front & Rear Closure (2 req)......... 3050I/2800E .....................  
20006404 Front & Rear Closure (2 req)......... 3500I/3200E .....................  
20006405 Front & Rear Closure (2 req)......... 4050I/3600E .....................  
20006406 Front & Rear Closure (2 req)......... 4500I/4000E .....................  
20006407 Front & Rear Closure (2 req)......... 5000I/4500E .....................  
20004301 Front Lower Closure ...................... 2000 ..................................  
20004302 Front Lower Closure ...................... 2450I/2200E .....................  
20004303 Front Lower Closure ...................... 3050I/2800E .....................  
20004304 Front Lower Closure ...................... 3500I/3200E .....................  
20004305 Front Lower Closure ...................... 4050I/3600E .....................  
20004306 Front Lower Closure ...................... 4500I/4000E .....................  
20004307 Front Lower Closure ...................... 5000I/4500E .....................  
20016301 Lower Rear Closure Assy ............. 2000 ..................................  
20016302 Lower Rear Closure Assy ............. 2450I/2200E .....................  
20016303 Lower Rear Closure Assy ............. 3050I/2800E .....................  
20016304 Lower Rear Closure Assy ............. 3500I/3200E .....................  
20016305 Lower Rear Closure Assy ............. 4050I/3600E .....................  
20016306 Lower Rear Closure Assy ............. 4500I/4000E .....................  
20016307 Lower Rear Closure Assy ............. 5000I/4500E .....................  
20011900 Upper End Panel Assy (2 req) ...... all ......................................  
20011800 Lower End Panel Assy (2 req) ...... all ......................................  
20011200 Control Box Cover Top..............................................................  
20058502 Commercial Control Box Cover.................................................  
20300600 Weldment Control Box ..............................................................  
20061402 Commercial Control Box ...........................................................  
20097500 Control Mounting Panel Assy ....................................................  
(double pass) ................................. all ......................................  
10416700 Return Header (single pass) ......... all ......................................  
20010901 Baffle W/Bracket (68 req) .............. 2000 ..................................  
20010902 Baffle W/Bracket (68 req) .............. 2450I/2200E .....................  
20010903 Baffle W/Bracket (68 req) .............. 3050I/2800E .....................  
20010904 Baffle W/Bracket (102 req) ............ 3500I/3200E .....................  
20010905 Baffle W/Bracket (102 req) ............ 4050I/3600E .....................  
20010906 Baffle W/Bracket (102 req) ............ 4500I/4000E .....................  
20010907 Baffle W/Bracket (102 req) ............ 5000I/4500E .....................  
10534310 Front & Rear HX Baffle.................. 2000 ..................................  
10534306 Front & Rear HX Baffle.................. 2450I/2200E .....................  
10534312 Front & Rear HX Baffle (4 req)...... 3050I/2800E .....................  
10534313 Front & Rear HX Baffle (4 req)...... 3500I/3200E .....................  
10534314 Front & Rear HX Baffle (6 req)...... 4050I/3600E .....................  
10534315 Front & Rear HX Baffle (6 req)...... 4500I/4000E .....................  
10534308 Front & Rear HX Baffle (6 req)...... 5000I/4500E .....................  
20012501 Inside Baffle Assy (indoor) ............ 2000 ..................................  
20012502 Inside Baffle Assy (indoor) ............ 2450 ..................................  
20012503 Inside Baffle Assy (indoor) ............ 3050 ..................................  
20012504 Inside Baffle Assy (indoor) ............ 3500 ..................................  
20012505 Inside Baffle Assy (indoor) ............ 4050 ..................................  
20012506 Inside Baffle Assy (indoor) ............ 4500 ..................................  
20012507 Inside Baffle Assy (indoor) ............ 5000 ..................................  
20012509 Inside Baffle Assy (outdoor) .......... 2200 ..................................  
20012510 Inside Baffle Assy (outdoor) .......... 2800 ..................................  
20012511 Inside Baffle Assy (outdoor) .......... 3200 ..................................  
20012512 Inside Baffle Assy (outdoor) .......... 3600 ..................................  
20012513 Inside Baffle Assy (outdoor) .......... 4000 ..................................  
20012514 Inside Baffle Assy (outdoor) .......... 4500 ..................................  
20011501 Flue Panel Assy  
INDOOR PARTS  
20011701 Upper Panel Assy  
Front & Rear (2 req) ...................... 2000 ..................................  
20011502 Flue Panel Assy  
Front & Rear (2 req) ...................... 2000 ..................................  
20011702 Upper Panel Assy  
Front & Rear (2 req) ...................... 2450I/2200E .....................  
20011503 Flue Panel Assy  
Front & Rear (2 req) ...................... 2450I/2200E .....................  
20011703 Upper Panel Assy  
Front & Rear (2 req) ...................... 3050I/2800E .....................  
20011504 Flue Panel Assy  
Front & Rear (2 req) ...................... 3050I/2800E .....................  
20011704 Upper Panel Assy  
Front & Rear (2 req) ...................... 3500I/3200E .....................  
20011505 Flue Panel Assy  
Front & Rear (2 req) ...................... 3500I/3200E .....................  
20011705 Upper Panel Assy  
Front & Rear (2 req) ...................... 4050I/3600E .....................  
20011506 Flue Panel Assy  
Front & Rear (2 req) ...................... 4050I/3600E .....................  
20011706 Upper Panel Assy  
Front & Rear (2 req) ...................... 4500I/4000E .....................  
20011507 Flue Panel Assy  
Front & Rear (2 req) ...................... 4500I/4000E .....................  
20011707 Upper Panel Assy  
Front & Rear (2 req) ...................... 5000I/4500E .....................  
20012000 Flue End Assy (2 req).................... all ......................................  
20032401 Baffle Support Strap (indoor) ........ 3500-5000 ........................  
20032402 Baffle Support Strap (outdoor) ...... 3200-4500 ........................  
Front & Rear (2 req) ...................... 5000I/4500E .....................  
20012201 Flue Diverter Assy ......................... 2000 ..................................  
20012202 Flue Diverter Assy ......................... 2450I/2200E .....................  
20012203 Flue Diverter Assy ......................... 3050I/2800E .....................  
20012204 Flue Diverter Assy ......................... 3500I/3200E .....................  
20012205 Flue Diverter Assy ......................... 4050I/3600E .....................  
20012206 Flue Diverter Assy ......................... 4500I/4000E .....................  
20012207 Flue Diverter Assy ......................... 5000I/4500E .....................  
20006301 Upper Wing Front, Left (2 req) ...... all ......................................  
20006302 Upper Wing Front, Right (2 req).... all ......................................  
20012301 Top Panel Assy ............................. 2000 ..................................  
20012302 Top Panel Assy ............................. 2450I/2200E .....................  
20012303 Top Panel Assy ............................. 3050I/2800E .....................  
20012304 Top Panel Assy ............................. 3500I/3200E .....................  
20012305 Top Panel Assy ............................. 4050I/3600E .....................  
20012306 Top Panel Assy ............................. 4500I/4000E .....................  
20012307 Top Panel Assy ............................. 5000I/4500E .....................  
JACKET COMPONENTS  
20011601 Lower Panel Assy  
Front & Rear (2 req) ...................... 2000 ..................................  
20011602 Lower Panel Assy  
Front & Rear (2 req) ...................... 2450I/2200E .....................  
20011603 Lower Panel Assy  
Front & Rear (2 req) ...................... 3050I/2800E .....................  
20011604 Lower Panel Assy  
Front & Rear (2 req) ...................... 3500I/3200E .....................  
20011605 Lower Panel Assy  
Front & Rear (2 req) ...................... 4050I/3600E .....................  
20011606 Lower Panel Assy  
Front & Rear (2 req) ...................... 4500I/4000E .....................  
10  
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MegaTherm AP, Sizes 2,000,000-5,000,000  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
20013801 Draft Hood Relief Baffle, Right ..................................................  
20013802 Draft Hood Relief Baffle, Right ..................................................  
20013803 Draft Hood Relief Baffle, Right ..................................................  
20013804 Draft Hood Relief Baffle, Right ..................................................  
20013805 Draft Hood Relief Baffle, Left ....................................................  
20013806 Draft Hood Relief Baffle, Left ....................................................  
20013807 Draft Hood Relief Baffle, Left ....................................................  
20013808 Draft Hood Relief Baffle, Left ....................................................  
20066402 Lower Rear Base Panel (qty 2) ..... 2450I/2200E .....................  
20066403 Lower Rear Base Panel (qty 3) ..... 3050I/2800E .....................  
20066404 Lower Rear Base Panel (qty 4) ..... 3500I/3200E .....................  
20066405 Lower Rear Base Panel (qty 5) ..... 4050I/3600E .....................  
20066406 Lower Rear Base Panel (qty 6) ..... 4500I/4000E .....................  
20066407 Lower Rear Base Panel (qty 7) ..... 5000I/4500E .....................  
20016202 Lower Front Closure Assy .........................................................  
20016203 Lower Front Closure Assy .........................................................  
20016204 Lower Front Closure Assy .........................................................  
20016205 Lower Front Closure Assy .........................................................  
20016206 Lower Front Closure Assy .........................................................  
20016207 Lower Front Closure Assy .........................................................  
20017202 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017203 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017204 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017205 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017206 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017207 Upper Wind Baffle Front & Rear (qty 2) ....................................  
20017302 Middle Rear Wind Baffle............................................................  
20017303 Middle Rear Wind Baffle............................................................  
20017304 Middle Rear Wind Baffle............................................................  
20017305 Middle Rear Wind Baffle............................................................  
20017306 Middle Rear Wind Baffle............................................................  
20017307 Middle Rear Wind Baffle............................................................  
20015202 Rear Inner Baffle .......................................................................  
20015203 Rear Inner Baffle .......................................................................  
20015204 Rear Inner Baffle .......................................................................  
20015205 Rear Inner Baffle .......................................................................  
20015206 Rear Inner Baffle .......................................................................  
20015207 Rear Inner Baffle .......................................................................  
20015302 Front Inner Baffle.......................................................................  
20015303 Front Inner Baffle.......................................................................  
20015304 Front Inner Baffle.......................................................................  
20015305 Front Inner Baffle.......................................................................  
20015306 Front Inner Baffle.......................................................................  
20015307 Front Inner Baffle.......................................................................  
20022202 Inner, Front, Left Baffle  
(single inlet manifold sys) .............. 2200/2450.........................  
20022203 Inner, Front, Left Baffle  
(single inlet manifold sys) .............. 2800/3050.........................  
20022204 Inner, Front, Left Baffle  
(single inlet manifold sys) .............. 3200/3500.........................  
20024002 Baffle, Right (single inlet sys)........ 2450I/2200E .....................  
20024003 Baffle, Right (single inlet sys)....... 3050I/2800E .....................  
20024004 Baffle, Right (single inlet sys)........ 3500I/3200E .....................  
20022002 Baffle, Left  
(double inlet manifold sys) ............ 2450I/2200E .....................  
20022003 Baffle, Left  
(double inlet manifold sys) ............ 3050I/2800E .....................  
20022004 Baffle, Left  
(dougle inlet manifold sys) ............ 3500I/3200E .....................  
20022005 Baffle, Left  
(double inlet manifold sys) ............ 4050I/3600E .....................  
20022006 Baffle, Left  
OUTDOOR PARTS  
20017102 Rear Top Half Panel ..................................................................  
20017103 Rear Top Half Panel ..................................................................  
20017104 Rear Top Half Panel ..................................................................  
20017105 Rear Top Half Panel ..................................................................  
20017106 Rear Top Half Panel ..................................................................  
20017107 Rear Top Half Panel ..................................................................  
20016902 Front Top Half Panel .................................................................  
20016903 Front Top Half Panel .................................................................  
20016904 Front Top Half Panel .................................................................  
20016905 Front Top Half Panel .................................................................  
20016906 Front Top Half Panel .................................................................  
20016907 Front Top Half Panel .................................................................  
20016502 Upper Rear Panel......................................................................  
20016503 Upper Rear Panel......................................................................  
20016504 Upper Rear Panel......................................................................  
20016505 Upper Rear Panel......................................................................  
20016506 Upper Rear Panel......................................................................  
20016507 Upper Rear Panel......................................................................  
20016602 Middle Rear Panel .....................................................................  
20016603 Middle Rear Panel .....................................................................  
20016604 Middle Rear Panel .....................................................................  
20016605 Middle Rear Panel .....................................................................  
20016606 Middle Rear Panel .....................................................................  
20016607 Middle Rear Panel .....................................................................  
20014301 Rear End Panel, Left .................................................................  
20014302 Rear End Panel, Right...............................................................  
20014601 Front End Panel Assy, Right .....................................................  
20014602 Front End Panel Assy, Left .......................................................  
20018002 Removable Front Panel Assy....................................................  
20018003 Removable Front Panel Assy....................................................  
20018004 Removable Front Panel Assy....................................................  
20018005 Removable Front Panel Assy....................................................  
20018006 Removable Front Panel Assy....................................................  
20018007 Removable Front Panel Assy....................................................  
20016102 Upper Front Panel Assy ............................................................  
20016103 Upper Front Panel Assy ............................................................  
20016104 Upper Front Panel Assy ............................................................  
20016105 Upper Front Panel Assy ............................................................  
20016106 Upper Front Panel Assy ............................................................  
20016107 Upper Front Panel Assy ............................................................  
20016302 Lower Rear Closure Assy .........................................................  
20016303 Lower Rear Closure Assy .........................................................  
20016304 Lower Rear Closure Assy .........................................................  
20016305 Lower Rear Closure Assy .........................................................  
20016306 Lower Rear Closure Assy .........................................................  
20016307 Lower Rear Closure Assy .........................................................  
(double inlet manifold sys) ............ 4500I/4000E .....................  
20022007 Baffle, Left  
(double inlet manifold sys) ............ 5000I/4500E .....................  
20022102 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 2450I/2200E .....................  
20022103 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 3050I/2800E .....................  
20022104 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 3500I/3200E .....................  
20022105 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 4050I/3600E .....................  
20022106 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 4500I/4000E .....................  
20022107 Inner, Front, Right Baffle  
(double inlet manifold sys) ............ 5000I/4500E .....................  
11  
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MegaTherm AP, Sizes 2,000,000-5,000,000  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
20069400 Baffle Center Strap ........................ 3200/5000.........................  
20015101 Flue End Assy, Left ....................... all ......................................  
20015102 Flue End Assy, Right ..................... all ......................................  
20016702 Flue Panel Rear............................. 2450I/2200E .....................  
20016703 Flue Panel Rear............................. 3050I/2800E .....................  
20016704 Flue Panel Rear............................. 3500I/3200E .....................  
20016705 Flue Panel Rear............................. 4050I/3600E .....................  
20016706 Flue Panel Rear............................. 4500I/4000E .....................  
20016707 Flue Panel Rear............................. 5000I/4500E .....................  
20015001 Flue End Ext, Front Left ................ all ......................................  
20015002 Flue End Ext, Front Right .............. all ......................................  
20016802 Flue Panel Front ............................ 2450I/2200E .....................  
20016803 Flue Panel Front ............................ 3050I/2800E .....................  
20016804 Flue Panel Front ............................ 3500I/3200E .....................  
20016805 Flue Panel Front ............................ 4050I/3600E .....................  
20016806 Flue Panel Front ............................ 4500I/4000E .....................  
20016807 Flue Panel Front ............................ 5000I/4500E .....................  
20013700 Control Mounting Panel ................. all ......................................  
20017700 Rear Middle Stand-Off...............................................................  
20017600 Upper Stand-Off Assy, Front & Rear ........................................  
20061104 Junction Box Cover ....................... all ......................................  
20013001 Boiler Top Support Assy................ 2200-3050 ........................  
20013002 Boiler Top Support Assy................ 3200-4050 ........................  
20013003 Boiler Top Support Assy................ 4000-5000 ........................  
20018202 Screen Retaining Angle................. 2450I/2200E .....................  
20018203 Screen Retaining Angle................. 3050I/2800E .....................  
20018204 Screen Retaining Angle................. 3500I/3200E .....................  
20018205 Screen Retaining Angle................. 4050I/3600E .....................  
20018206 Screen Retaining Angle................. 4500I/4000E .....................  
20018207 Screen Retaining Angle................. 5000I/4500E .....................  
20018302 Screen Retaining Strap ................. 2450I/2200E .....................  
20018303 Screen Retaining Strap ................. 3050I/2800E .....................  
20018304 Screen Retaining Strap ................. 3500I/3200E .....................  
20018305 Screen Retaining Strap ................. 4050I/3600E .....................  
20018306 Screen Retaining Strap ................. 4500I/4000E .....................  
20018307 Screen Retaining Strap ................. 5000I/4500E .....................  
20018400 Front Stiffener ................................ all ......................................  
20018602 Upper Front & Rear Mesh  
CROSS REFERENCE FOR NO LONGER AVAILABLE P/N'S  
20001301 Complete Heat Exchanger Assy  
(double pass, 18 tube) - NLA .......................... use K20001301  
20001306 Complete Heat Exchanger Assy - NLA........... use R20001306  
20047801 Complete Pilot Assy - Spark, Nat. - NLA ........ use K20047801  
E0013000 Flow Switch,outdoor - NLA  
E0014400 Operating Control/Thermostat, On/Off  
(100-240 F) - NLA............................................ use KE0014400  
E0015900 High Limit Switch, Manual Reset  
(Temp Ctrl, 100-225 F) - NLA  
E0086100 Transformer, 40VA - NLA.................................. use R0021300  
E0100900 Ignition Control, Electronic, Nat - NLA ............ use KE0100900  
E2033900 Ignition Control, Electronic. Spark LP/CSD-1  
(100% Lockout) - NLA ..................................... use KE2033900  
E2058300 Well, Aquastat - NLA  
E2075100 Low Water Cut Off - NLA ................................ use RE2075100  
L2005800 Burners - Newer style LB - NLA ...................... use KL2005800  
V0046700 Safety Gas Valve - 4-Stage, Nat/LP - NLA  
V0051300 Combination/Operating Gas Valve,  
2-Stage, Nat - NLA .......................................... use KV0051300  
W0030000 Relay, Shut Off - NLA..................................... use KW0030000  
W0034300 Pilot, HW, IID, Nat - NLA ................................ use KW0034300  
W0034500 Pilot, JC, IID, Nat - NLA ................................. use KW0034500  
Screen ........................................... 2450I/2200E .....................  
20018603 Upper Front & Rear Mesh  
Screen ........................................... 3050I/2800E .....................  
20018604 Upper Front & Rear Mesh  
Screen ........................................... 3500I/3200E .....................  
20018605 Upper Front & Rear Mesh  
Screen ........................................... 4050I/3600E .....................  
20018606 Upper Front & Rear Mesh  
Screen ........................................... 4500I/4000E .....................  
20018607 Upper Front & Rear Mesh  
Screen ........................................... 5000I/4500E .....................  
12  
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MegaTherm Model MT  
Gas Orifice Size Chart  
Sizes 500,000 - 5,000,000 BTU/h  
22O0U0TD-O4O5R00  
INDOOR/OUTDOOR  
INDOOR  
2000-5000  
MODEL & SIZE>  
GAS>  
500-1825  
NATURAL PROPANE NATURAL PROPANE NATURAL PROPANE  
0 - 2000  
L0050700  
#44  
L2002200  
#20  
L2011300  
#35  
L2006400  
#24  
L2002600  
#37  
A
2001 - 3000  
L0032900  
#54  
L2006100  
#23  
L
L2002500  
#36  
L2006700  
#26  
L2002700  
#38  
T
3001 - 4000  
L0032600  
#45  
L006400  
#24  
I
4001 - 5000  
L2006700  
#26  
L002600  
#37  
L2007000  
#27  
L2002800  
#38  
T
U
5001 - 6000  
L0050200  
#46  
L2007000  
#27  
L2008100  
#40  
L0032800  
#55  
L2002700  
#38  
L2007600  
#29  
D
6001 - 7000  
L0050300  
#47  
L2007300  
#28  
L2002900  
#41  
E
F
7001 - 8000  
L2007600  
#29  
L2002800  
#39  
L2007900  
#30  
L2005300  
#42  
E
8001 - 9000  
L0050400  
#48  
E
L0032700  
#56  
L2007900  
#30  
L2002900  
#41  
T
9001 - 10000  
L2008000  
#31  
L2005400  
#43  
NUMBER OF ORIFICES  
Sizes  
500 I/E  
600 I/E  
715 I/E  
850 I/E  
1010 I/E  
1200 I/E  
1430 I/E  
1670 I/E  
1825 I/E  
Orifices  
22  
26  
30  
36  
42  
50  
60  
70  
76  
2450 I  
2200 E  
3050 I  
2800 E  
3500 I  
3200 E  
4050 I  
3600 E  
4500 I  
4000 E  
5000 I  
4500 E  
Size  
2000 I  
Orifices  
23  
28  
34  
39  
46  
50  
56  
Note: Models 2000-5000 that were built in or before 1991 may have fewer burners/orifices than listed, and the factory must be consulted.  
13  
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Tile Assemblies - MT  
(AP After April 1999)  
Sizes 500,000 - 1,825,000 (Cement Tile)  
When ordering tiles: Assembly number is  
for all tiles. Part numbers shown at front of  
unit are the same for rear tiles.  
14  
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Tile Assemblies - MT  
(AP Units Before April 1999)  
Sizes 500,000 - 1,825,000 (Pyro Tile)  
When ordering tiles: Assembly number is  
for all tiles. Part numbers shown at front of  
unit are the same for rear tiles.  
15  
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Tile Assemblies - MT  
Sizes 2,000,000 - 5,000,000 (Pyro Tile)  
I=Indoor, E=Outdoor  
16  
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PowerMax PM  
Sizes 500,000 - 2,000,000 BTU/h  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
COMBUSTION CHAMBER COMPONENTS  
T2017400 Tile, Bottom, Left  
5C2600  
5C2200  
5C2003  
7C2003  
10C2003  
12C2003  
15C2003  
17C2003  
20C2003  
5C2006  
Chamber Assy, Left, Bottom ......... 500-2000...........................  
(1500, 2000 use 2) ........................ 750-2000...........................  
T2016500 Tile, Bottom, Right ......................... 750 ....................................  
T2018000 Tile, Bottom, Right ......................... 1250/1750.........................  
T2015900 Tile, Bottom, Middle  
(1750, 2000 use 2) ........................ 1250-2000 ........................  
T2017300 Tile, Front....................................... 500 ....................................  
T2016200 Tile, Front, Left .............................. 750 ....................................  
T2016300 Tile, Front, Right ............................ 750 ....................................  
T2016800 Tile, Front, Left .............................. 1000-2000 ........................  
T2017900 Tile, Front, Right ............................ 1250/1750.........................  
T2017100 Tile, Front, Right ............................ 1000/1500/2000................  
T2016900 Tile, Front, Center  
(1750, 2000 use 2) ........................ 1250-2000 ........................  
T2015700 Tile, Rear ....................................... 500 ....................................  
T2016600 Tile, Rear, Left  
(1000, 1500, 2000 use 2) .............. 750-2000...........................  
T2017500 Tile, Rear, Right............................. 750 ....................................  
T2018100 Tile, Rear, Right............................. 1250/1750.........................  
T2017200 Tile, Rear, Center  
Chamber Assy, Right, Bottom ....... 500-2000...........................  
Chamber, Front Panel, inside plenum 500 ...............................  
Chamber, Front Panel, inside plenum 750 ...............................  
Chamber, Front Panel, inside plenum 1000 .............................  
Chamber, Front Panel, inside plenum 1250 .............................  
Chamber, Front Panel, inside plenum 1500 .............................  
Chamber, Front Panel, inside plenum 1750 .............................  
Chamber, Front Panel, inside plenum 2000 .............................  
Chamber, Rear Panel.................... 500 ....................................  
Chamber, Rear Panel.................... 750 ....................................  
Chamber, Rear Panel.................... 1000 ..................................  
Chamber, Rear Panel.................... 1250 ..................................  
Chamber, Rear Panel.................... 1500 ..................................  
Chamber, Rear Panel.................... 1750 ..................................  
Chamber, Rear Panel.................... 2000 ..................................  
Chamber, Side, Top ...................... 500-2000...........................  
Chamber, Top................................ 500 ....................................  
Chamber, Top................................ 750 ....................................  
Chamber, Top................................ 1000 ..................................  
Chamber, Top................................ 1250 ..................................  
Chamber, Top................................ 1500 ..................................  
Chamber, Top................................ 1750 ..................................  
Chamber, Top................................ 2000 ..................................  
Bracket, Front ................................ 500 ....................................  
Bracket, Front ................................ 750 ....................................  
Bracket, Front ................................ 1000 ..................................  
Bracket, Front, Right Side ............. 1250 ..................................  
Bracket, Front, Left Side ............... 1250 ..................................  
Bracket, Front, Right Side ............. 1500 ..................................  
Bracket, Front, Left Side ............... 1500 ..................................  
Bracket, Front, Right Side ............. 1750 ..................................  
Bracket, Front, Left Side ............... 1750 ..................................  
Bracket, Front, Right Side ............. 2000 ..................................  
Bracket, Front, Left Side ............... 2000 ..................................  
Cover, Comb. Air Chamber ........... 500 ....................................  
Cover, Comb. Air Chamber ........... 750 ....................................  
Cover, Comb. Air Chamber ........... 1000 ..................................  
Cover, Comb. Air Chamber, Left... 1250 ..................................  
Cover, Comb. Air Chamber, Right 1250 ..................................  
Cover, Comb. Air Chamber (2 used) 1500 ...............................  
Cover, Comb. Air Chamber, Left... 1750 ..................................  
Cover, Comb. Air Chamber, Right 1750 ..................................  
Cover, Comb. Air Chamber, Left... 2000 ..................................  
Cover, Comb. Air Chamber, Right 2000 ..................................  
Divider, Chamber, Front ................ 1250-1500 ........................  
Divider, Chamber, Front ................ 1750-2000 ........................  
Door, Comb. Air Chamber Access  
7C2006  
10C2006  
12C2006  
15C2006  
17C2006  
20C2006  
5C2002  
5C2001  
7C2001  
10C2001  
12C2001  
15C2001  
17C2001  
20C2001  
5C2009  
(1750, 2000 use 2) ........................ 1250-2000 ........................  
GAS TRAIN / COMBUSTION AIR COMPONENTS  
R2014700 Air Filter ......................................... 500-2000...........................  
A2108900 Blower ............................................ 500-2000...........................  
L2012200 Burner Assy, 3 Burners ................. 500/750/  
7C2009  
....................................................... 1250-1750 ........................  
10C2009  
12C2009  
12C2011  
15C2009  
15C2011  
17C2009  
17C2011  
20C2009  
20C2011  
5C2004  
L2012500 Burner Assy, 4 Burners ................. 1000/1500-2000 ...............  
S2012700 Gasket, Burner Assy, 3 Burners ... 500/750/1500....................  
S2012500 Gasket, Burner Assy, 4 Burners ... 1000-2000 ........................  
5C6100  
7C6100  
10C6100  
15C6100  
20C6100  
Manifold, Gas Supply, Top  
Weldment Pipe .............................. 500 ....................................  
Manifold, Gas Supply, Top  
Weldment Pipe .............................. 750 ....................................  
Manifold, Gas Supply, Top  
Weldment Pipe .............................. 1000 ..................................  
Manifold, Gas Supply, Top  
7C2004  
Weldment Pipe .............................. 1500 ..................................  
Manifold, Gas Supply, Top  
10C2004  
12C2010  
12C2008  
15C2004  
17C2010  
17C2008  
20C2010  
20C2008  
15C2002  
20C2002  
5C2005  
Weldment Pipe .............................. 2000 ..................................  
L2012900 Manifold, Gas, Lower, Holds 3  
Orifices, Right ................................ 500-750/1250-1750 ..........  
L2012800 Manifold, Gas, Lower, Holds 3  
Orifices, Left .................................. 500-750/1250-1750 ..........  
L2012700 Manifold, Gas, Lower, Holds 4  
Orifices, Right ................................ 1000/500-2000 .................  
L2012600 Manifold, Gas, Lower, Holds 4  
Orifices, Left .................................. 1000/500-2000 .................  
L2013000 Orifice, Gas, Nat ............................ 500-2000...........................  
L2012400 Orifice, Gas, Propane .................... 500-2000...........................  
V2003100 Valve, Ball ...................................... 500-2000...........................  
V2016000 Valve, Gas, Combination............... 500-2000...........................  
V2000200 Valve, Manual Shutoff ................... 500-2000...........................  
R2004000 High Gas Pressure Switch ............ 500-2000...........................  
R2004100 Low Gas Pressure Switch ............. 500-2000...........................  
(1 or 2 used) .................................. 500-2000...........................  
Exhaust Plenum ............................ 500-750.............................  
Exhaust Plenum ............................ 1000 ..................................  
Exhaust Plenum ............................ 1250-2000 ........................  
5C2007  
10C2007  
20C2007  
T2015600 Tile, Side, Left and Right ............... 500-2000...........................  
T2015500 Tile, Bottom.................................... 500 ....................................  
17  
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PowerMax PM  
Part No.  
Description  
Size  
Part No.  
Description  
Size  
ELECTRICAL COMPONENTS  
E2105500 Diagnostic Board ........................... 500-2000...........................  
R2027700 Relay, 10A, for Diagnostic Board  
(uses 3) .......................................... 500-2000...........................  
RE0013000 Flow Switch.................................... 500-2000...........................  
E2104800 Hi Limit, Auto Reset, 135°F  
A0063600 Relief Valve, 75 PSI ...................... 500-2000...........................  
10364301 Return Cover, bronze .................... 500-2000...........................  
10364300 Return Cover, glass-lined cast iron500-2000...........................  
10338300 Water Barrier (inlet) ....................... 500-2000...........................  
20230101 Water Barrier (inlet/outlet) ............. 500-2000...........................  
RE2058300 Well, Temp Control Sensor  
120" capillary ................................. 500-2000...........................  
E2217700 Temp Controller, 100 - 200°F  
standard depth............................... 500-2000...........................  
Auto Reset ..................................... 500-2000...........................  
E2313900 Ignition Control .............................. 500-2000...........................  
2400-286 Ignitor, Hot Surface, w/ Gasket ..... 500-2000...........................  
E2105600 Indicator Light Board Panel ........... 500-2000...........................  
E2075900 Low Water Cutoff........................... 500-2000...........................  
RE0240900 Pressure Switch............................. 500-2000...........................  
E0098300 Relay (SPST for pump) ................. 500-2000...........................  
E2306700 Relay, module, encapsulated, 24V 500-2000...........................  
E2106600 Switch, Rocker............................... 500-2000...........................  
E2307400 Terminal Board, Field Wiring......... 500-2000...........................  
E2310400 Transformer, 120/24V 150VA ....... 500-1000...........................  
E2312800 Transformer, 100VA ...................... 1250-2000 ........................  
R2014800 Universal Temp Cntrl Sensor Kit... 500-2000...........................  
A2110800 Actuator, 2-10V, Neptronic  
JACKET COMPONENTS  
R2027901 Control Panel Access Kit, with gasket 500-1000......................  
R2027902 Control Panel Access Kit, with gasket 1250-2000....................  
5C1020  
7C1020  
Base Assy ...................................... 500 ....................................  
Base Assy ...................................... 750 ....................................  
Base Assy ...................................... 1000 ..................................  
Base Assy ...................................... 1250 ..................................  
Base Assy ...................................... 1500 ..................................  
Base Assy ...................................... 1750 ..................................  
Base Assy ...................................... 2000 ..................................  
Brace, Jacket Top ......................... 1500-1750 ........................  
Brace, Jacket Top ......................... 2000 ..................................  
Bracket, Control Panel Mounting .. 500-2000...........................  
Collar, Vent Plate, 6" ..................... 500 ....................................  
Collar, Vent Plate, 8" ..................... 750 ....................................  
Collar, Vent Plate, 10" ................... 1000 ..................................  
Collar, Vent Plate, 12" ................... 1250/1500.........................  
Collar, Vent Plate, 14" ................... 1750/2000.........................  
Cover, Solid, Vent Plate ................ 500 ....................................  
Cover, Solid, Vent Plate ................ 1000 ..................................  
Cover, Solid, Vent Plate ................ 2000 ..................................  
Control Door, Access .................... 500-2000...........................  
Control Panel Weldment ............... 500-2000...........................  
Panel, Jacket, Front ...................... 500 ....................................  
Panel, Jacket, Front ...................... 750 ....................................  
Panel, Jacket, Front ...................... 1000 ..................................  
Panel, Jacket, Front ...................... 1250 ..................................  
Panel, Jacket, Front, Left .............. 1500 ..................................  
Panel, Jacket, Front, Right ............ 1500 ..................................  
Panel, Jacket, Front, Left .............. 1750 ..................................  
Panel, Jacket, Front, Right ............ 1750 ..................................  
Panel, Jacket, Front, Left .............. 2000 ..................................  
Panel, Jacket, Front, Right ............ 2000 ..................................  
Panel, Jacket, Rear ....................... 500 ....................................  
Panel, Jacket, Rear ....................... 750 ....................................  
Panel, Jacket, Rear ....................... 1000 ..................................  
Panel, Jacket, Rear ....................... 1250 ..................................  
Panel, Jacket, Rear ....................... 1500 ..................................  
Panel, Jacket, Rear ....................... 1750 ..................................  
Panel, Jacket, Rear ....................... 2000 ..................................  
Panel, Jacket, Side Left ................ 500-2000...........................  
Panel, Jacket, Side Right .............. 500-2000...........................  
Panel, Jacket, Top......................... 500 ....................................  
Panel, Jacket, Top......................... 750 ....................................  
Panel, Jacket, Top......................... 1000 ..................................  
Panel, Jacket, Top......................... 1250 ..................................  
Panel, Jacket, Top, Left ................ 1500 ..................................  
Panel, Jacket, Top, Right .............. 1500 ..................................  
Panel, Jacket, Top, Left ................ 1750 ..................................  
Panel, Jacket, Top, Right .............. 1750 ..................................  
Panel, Jacket, Top, Left ................ 2000 ..................................  
Panel, Jacket, Top, Right .............. 2000 ..................................  
10C1020  
12C1020  
15C1020  
17C1020  
20C1020  
15C2010  
10C2010  
5C7103  
5C3100  
7C3100  
Mixing System ............................... 500-2000...........................  
A2110900 Valve, 3 Way Ball, 2" NPT  
10C3100  
15C3100  
20C3100  
5C3004  
10C3004  
20C3004  
5C3010  
5C7200  
5C3320  
7C3320  
10C3320  
12C3320  
15C3320  
15C3620  
17C3320  
17C3620  
20C3320  
20C3620  
5C3220  
Mixing System ............................... 500-2000...........................  
E2317300 Temp Control w/Display, FX05 ..... 500-2000...........................  
E2317400 Wire Harness, Mixing System ....... 500-2000...........................  
E2106200 Circuit Breaker, 6A ........................ 500-2000...........................  
E23211800 Switch, Rocker, pump models....... 500-2000...........................  
HEAT EXCHANGER / Water Path Components  
Code Compliant ASME Heat Exchangers  
Built in accordance w/ the requirements of the ASME Boiler and Pressure  
Vessel Code  
Cupronickle tubes with glass lined headers, ideal for chlorinated water,  
some corrosive water and soft water applications.  
R2027801 Tube Assy, CuNi Tubes ................ 500 ....................................  
R2027802 Tube Assy, CuNi Tubes ................ 750 ....................................  
R2027803 Tube Assy, CuNi Tubes ................ 1000 ..................................  
R2027804 Tube Assy, CuNi Tubes ................ 1250 ..................................  
R2027805 Tube Assy, CuNi Tubes ................ 1500 ..................................  
R2027806 Tube Assy, CuNi Tubes ................ 1750 ..................................  
R2027807 Tube Assy, CuNi Tubes ................ 2000 ..................................  
Also available: cupronickle tubes with bronze headers, and copper tube  
assemblies (copper tubes not recommended for chlorinated water  
applications). Contact Customer Service for pricing and availability.  
7C3220  
10C3220  
12C3220  
15C3220  
17C3220  
20C3220  
5C3420  
5C3520  
5C3021  
7C3021  
10C3021  
12C3021  
15C3021  
15C3025  
17C3021  
17C3025  
20C3021  
20C3025  
RA2001700 Pump, 1/3HP .............................................................................  
RA2001800 Pump, 1/2HP .............................................................................  
RA2001900 Pump, 3/4HP .............................................................................  
A2109700 Pump, 1HP ................................................................................  
10338400 Baffle, Diffuser, Pump Inlet ........... 500-2000...........................  
10364501 Cover, In/Out, bronze .................... 500-2000...........................  
10364504 Cover, In/Out, glass-lined cast iron500-2000...........................  
S0063700 Gasket, Flange .............................. 500-2000...........................  
S0095100 Gasket, Header ............................. 500-2000...........................  
S0024600 Gasket, Pump Adapter .................. 500-2000...........................  
RA0079000 Gauge, Temperature/Pressure ..... 500-2000...........................  
10364201 Pump Adapter, bronze .................. 500-2000...........................  
10364200 Pump Adapter, glass-lined cast iron 500-2000.........................  
10483300 Pump Housing, bronze .................. 500-2000...........................  
R10261501 Pump Housing, glass-lined cast iron 500-2000 ........................  
18  
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PowerMax PM  
Part No.  
Description  
Size  
5C3002  
15C3002  
5C3502  
5C3304  
7C3304  
10C3304  
20C3304  
5C5300  
Plate, Cover, Filter......................... 500-1000...........................  
Plate, Cover, Filter......................... 1250-2000 ........................  
Plate, Cover, Wiring ...................... 500-2000...........................  
Plate, Gas Pipe Seal ..................... 500 ....................................  
Plate, Gas Pipe Seal ..................... 750 ....................................  
Plate, Gas Pipe Seal ..................... 1000 ..................................  
Plate, Gas Pipe Seal ..................... 1250-2000 ........................  
Weldment, Blower Mount .............. 500-2000...........................  
19  
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© 2006 Pentair Water Pool and Spa, Inc. All rights reserved  
This document is subject to change without notice  
1620 Hawkins Ave., Sanford, NC 27330 • (919) 566-8000  
10951 West Los Angeles Ave., Moorpark, CA 93021 • (805) 553-5000  
Trademarks and disclaimers  
PowerMax, MegaTherm and the Pentair Commercial Pool and Spa logo are trademarks of Pentair Water Pool and Spa, Inc.  
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or  
their products. Pentair Water Pool and Spa, Inc. disclaims proprietary interest in marks and names of others.  
P/N 472645 Rev A - 05/19/06  
Litho in U.S.A  
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