Crown 29PT9467S User Manual

Commercial, Forced Draft  
Hot Water or Steam Boiler  
For Businesses, Institutions,  
Apartments and other  
commercial buildings  
Cast iron sectional heat exchanger  
and push nipples  
Vertical flue design  
Easily assembled with short individual dr
Optional tankless heater for domestic hot water  
Top or rear vent connections  
Side clean out plates  
Optional Return Temperature Control (RTC)  
Sizes from 342,000 to 1,852,000 BTU/hr output  
Heat exchanger constructed  
and tested in accordance with  
ASME Section IV standard.  
Top or rear flue outlet  
with adjustable lock-type  
damper includes  
Front mounted  
controls for easy  
adjustment and  
maintenance  
tapping for outlet  
pressure reading
Left side jacket  
panels and cleanouts  
for easy access to  
all flue surfaces  
Tankless heater  
for domestic  
hot water  
Cast iron vertical  
flue design with  
pinned heating  
surface achieves  
maximum heat transfer  
Burner mounting  
plate with flame  
observation port  
Rear cover includes  
flame observation  
port and plugged  
tapping for over-fire  
draft readings  
Reinforced lugs and  
individual draw rods  
for easy assembly  
Your choice  
of a Beckett  
gas or oil burner  
Wet base  
construction for  
improved circul
Cast iron nipple
ensure integrity  
of section assembly  
Oil Boilers Flange mounted flame retention  
oil burner furnished with 2 stage fuel unit, primary  
control and dual oil valves.  
Standard Equipment  
All Boilers Sections unassembled, flush  
insulated jacket, burner mounting plate, burner  
adapter plate, rear flue damper (top outlet  
optional), flue canopy, rear observation port cover,  
target wall (V-903A), and miscellaneous plugs,  
bushings and fittings.  
Gas Boilers Flange mounted gas burner  
with standard controls meeting the latest UL  
requirements, dual gas valves and electronic  
ignition.  
Steam Trim 15 PSI safety valve, L404A  
pressuretrol, gauge glass assembly, steam gauge.  
Optional Equipment  
Top outlet flue damper, tankless heaters, 50 PSI  
relief valves (water), and combustion and  
hydronic controls to meet ASME CSD-1.  
Water Trim 30 PSI safety relief valve, L4006A  
high limit, pressure temperature gauge.  
Series 24 Dimensions (in inches)  
1
MAXIMUM  
NUMBER OF OUTLET  
FLUTE  
BURNER  
MOUNTING  
BECKETT  
APPROX.  
K.D. BLR.  
NUMBER  
OF  
MODEL SECTIONS  
NUMBER  
OF STEAM  
RISERS  
BOILER  
HEATERS DIAMETER PLATE WIDTH  
CF OIL  
‘H’  
CG GAS  
‘H’  
SHIPPING  
WEIGHT LB.  
A’  
‘B’  
‘C’  
‘D’  
‘E’  
‘F’  
‘G’  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
3
4
18-1/4  
24-1/4  
30-1/4  
36-1/4  
42-1/4  
48-1/4  
54-1/4  
60-1/4  
66-1/4  
72-1/4  
12  
18  
24  
30  
36  
42  
48  
54  
60  
66  
1
1
1
1
2
2
2
2
2
3
9-1/8  
12-1/8  
15-1/8  
18-1/8  
21-1/8  
24-1/8  
27-1/8  
30-1/8  
33-1/8  
36-1/8  
1
1
1
2
2
2
3
3
3
4
7
7
8
8
8
4
4
4
4
4
4
4
9-3/4  
11-3/4  
11-3/4  
20-5/8  
20-5/8  
20-5/8  
21-1/8  
21-1/8  
22-5/8  
22-5/8  
20-7/8  
21-5/8  
21-5/8  
21-5/8  
28-5/8  
28-5/8  
29-1/8  
29-1/8  
29-1/8  
29-1/2  
1363  
1675  
1987  
2273  
2589  
2901  
3282  
3614  
3925  
4252  
5
8
6
8
7
8
8
10  
10  
10  
12  
12  
9
10  
11  
12  
30  
381  
381  
‘B’  
SAFETY/RELIEF  
VALVE  
‘C’  
4” SUPPLY  
(TYP)  
BREECHING PRESSURE  
-16  
SENSING; 3/8  
PLUGGED (REAR OUTLET)  
‘F’ O.D. COLLAR  
(STD. REAR OUTLET)  
BREECHING PRESSURE  
-16  
SENSING; 3/8  
TOP VIEW  
PLUGGED (TOP OUTLET)  
32 18  
9 41  
‘A’  
ASME DATA  
LABEL  
‘F’  
O.D.  
‘D’  
COMBINATION LABEL  
BREECHING PRESSURE  
COLLAR  
-16  
SENSING; 3/8  
INSULATED  
JACKET  
RETURN  
TEMPERATURE  
CONTROL  
(OPTIONAL  
TOP OUTLET)  
COMBINATION  
LABEL  
PLUGGED (REAR OUTLET)  
4
ASME DATA  
LABEL  
REAR FLUE  
OUTLET W/  
DAMPER  
HIGH  
PRESSURE  
LIMIT CONTROL/MR  
HIGH  
OPERATING  
LIMIT  
PRESSURE  
LIMIT CONTROL/MR  
OPERATING  
LIMIT  
NWL  
RATING  
LABEL  
STEAM GUAGE  
GUAGE  
GLASS  
SET  
INSTALLER/  
SERVICE  
LABEL  
RATING LABEL  
BURNER  
MOUNTING  
PLATE  
FLAME  
OBSERVATION  
PORT  
REAR OBSERVATION  
PORT COVER  
MM#67 LWCO  
LOWEST  
PERMISSIBLE  
WATER LEVEL  
PLATE  
PROBE TYPE  
LOW WATER  
CUT-OFF  
TEMPERATURE/  
PRESSURE GUAGE  
TANKLESS HEATERS  
(‘E’ MAXIMUM ALLOWABLE)  
(STEAM ONLY)  
3” RETURN  
(4 PLACES)  
OVER-FIRE  
PRESSURE SENSING;  
1
8
NPT PLUGGED  
FLOOR  
6
‘G’  
‘H’  
441  
23 12  
16 58  
FRONT VIEW  
(STEAM)  
441  
REMOVABLE SIDE  
PANELS  
(TYP)  
LEFT SIDE VIEW  
(STEAM)  
FRONT VIEW  
(WATER)  
Not supplied as  
standard equipment  
Tankless Heater  
Ratings in GPM  
Multi-Heater Manifold  
2
1
1
3
2
IN  
IN  
ITEMS  
DESCRIPTION  
NUMBER OF 24 TANKLESS  
HEATERS INSTALLED  
1
2
3
4
5
1-1/4” Copper Elbow  
1-1/2” x 1-1/4” x 1-1/4” Copper Tee  
2” x 1-1/2” x 1-1/4” Copper Tee  
2” x 2” x 1-1/4” Copper Tee  
BOILER  
MODEL  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
1
2
3
4
6.75  
7.5  
7.5  
7.5  
7.5  
7.5  
7.5  
7.5  
7.5  
7.5  
15  
15  
15  
15  
15  
15  
15  
30  
2
2
3
1
1
OUT  
OUT  
1-1/4” Copper x MIP Adapter  
TWO HEATER MANIFOLD  
THREE HEATER MANIFOLD  
1
Notes:  
4
3
2
(TYP)  
5
1. It is important that tankless heater sections  
be correctly located in the boiler. Refer to  
installation manual.  
2. Pressure drop across each T-4 tankless  
heater = 5.25 PSI at 7.5 GPM flow rate.  
3. Locate heater control in heater identified as  
IN  
22.5  
22.5  
22.5  
22.5  
4
3
2
1
OUT  
12” MIN  
Continuous draw heated from 40°F to 140°F  
with 200°F boiler water.  
FOR JACKET  
REMOVAL  
FOUR HEATER MANIFOLD  
Commercial Hot Water or Steam Boiler  
Burner Mounting Plates and Adapter Plates  
Control Tappings  
BECKETT (“CF” SERIES) BURNER ADAPTER PLATE  
TAPPING  
LOCATION  
SIZE  
(IN.)  
STEAM BOILER  
WATER BOILER  
I.D.  
A’  
DIA.  
‘B’  
DIA.  
‘C’  
REF.  
BOILER MODEL  
24-03 THRU 24-05  
24-06 THRU 24-08  
24-09 THRU 24-12  
PART NO.  
330400  
330401  
330402  
NO.  
920  
921  
922  
A
4
Supply  
Supply  
Plug (24-03 thru 24-06)  
4-3/4  
6-1/8  
6-3/4  
10  
10  
10  
7-1/16  
7-1/16  
7-1/16  
B
C
4
3
Plug  
Supply (24-07 thru 24-12)  
Blow-Off Valve  
Return  
Plug (24-03 thru 24-11)  
Return (24-12)  
D
3
Return  
BECKETT (“CG” SERIES) BURNER ADAPTER PLATE  
E
F
3
3
Plug  
Blow-Off / Drain Valve  
Plug  
Safety Valve / Surface Skim Tap  
Plug  
Plug  
I.D.  
A’  
‘B’  
‘C’  
BOILER MODEL  
24-03 THRU 24-06  
24-07 THRU 24-08  
24-09 THRU 24-11  
24-12  
PART NO.  
330400  
330401  
330403  
330404  
NO.  
920  
921  
923  
924  
DIA.  
4-3/4  
6-1/8  
7-1/4  
8-1/8  
DIA.  
REF.  
G
J1  
J2  
K
1-1/2  
1
Relief Valve  
10  
10  
10  
10  
7-1/16  
7-1/16  
7-1/16  
7-1/16  
Plug  
Plug  
1
Float L.W.C.O.  
3/4  
3/4  
Plug  
Probe L.W.C.O.  
M
Operating Pressure Limit Control  
Operating Temperature Limit Control  
Hi Pressure  
Hi Temperature  
N
P
3/4  
1/2  
Note:  
Limit Control / Manual Reset  
Limit Control/Manual Reset  
1. A burner adapter plate is needed for each boiler.  
Gauge Glass/#67 L.W.C.O.  
Plug  
Temperature/Pressure  
Gauge (Bush to 1/4”)  
Q
1/2  
Steam Gauge (Bush to 1/4”)  
S
T
3/4  
3/4  
Tankless Heater Control  
Tankless Heater Control  
Firing Rate Pressure Control  
Firing Rate Temperature Control  
‘C’  
(REF)  
‘B’ DIA  
BOLT CIRCLE  
4
8
B
A
J2  
J1  
‘A’ DIA  
HOLE  
P
T
N
IDENTIFICATION NUMBER  
4” STANDARD  
8” EXTENDED  
M
G
FRONT VIEW  
SIDE VIEWS  
STANDARD BURNER  
ADAPTER PLATE  
CAST IRON BURNER MOUNTING PLATES  
Q
S
K
P
J2  
J1  
Series 24 Minimum Piping  
Recommendations – Water Boiler  
D
F
E
C
Impact of System Piping Many hot water systems  
are zoned. Some also use mixing valves to control the water  
temperature in the system. These features can cause the  
flow through the boiler to vary dramatically, depending on  
the status of the zones or mixing valves. In addition, the  
large water content of many commercial systems has the  
potential to subject the boiler to operation with low return  
temperatures for an extended period of time. These factors  
can shorten the life of a boiler due to thermal shock or flue  
gas condensation.  
FRONT VIEW  
BACK VIEW  
The return temperature does not fall below 135°F  
for an extended period of time.  
RTC Return Temperature Control Piping  
Recommendation 3 makes use of CROWN’s optional  
RTC (Return Temperature Control). This control provides an  
economical and effective way of protecting the boiler from  
thermal shock and condensation. It can be incorporated into  
most hot water systems with minimal modifications to the  
system design and operation. When this option is used on  
multiple Series 24s, one RTC is required for each boiler.  
The CROWN RTC is also available with an outdoor reset  
option. This provides additional energy savings by  
modulating system water temperature to match the  
building load requirements.  
Crown’s 3 Recommendations On the following  
pages, CROWN provides three basic recommendations  
for near-boiler piping that are intended to maximize the  
life expectancy of the boiler by protecting it from flue gas  
condensation and thermal shock. Each protects the boiler  
by making sure that both of the following conditions are met:  
The flow through the boiler is high enough to  
ensure a temperature rise of less than 40°F  
Series 24 Minimum Piping Recommendations – Water Boiler  
1
SUPPLY  
Recommendation 1 is used  
1
when the load is constant and  
not varied due to mixing or  
multiple zones. Use when:  
SUPPLY  
REAR OF  
BOILER  
DRAIN VALVE  
(SEE NOTE 4)  
REAR OF  
BOILER  
DRAIN VALVE  
(SEE NOTE 4)  
2A  
system return water is not  
less than 135° F for  
1
2
RETURN  
HEADER  
23  
3” x 12” NIPPLE  
AND BELL REDUCER  
(SEE NOTE 3)  
prolonged periods of time  
system flow does not impact  
2B  
2
flow through the boiler  
RETURN  
BRANCH  
RETURN  
2
RETURN  
24-03 THRU 24-11 (W/20°F DROP)  
24-03 THRU 24-12 (W/40°F DROP)  
24-12 (W/20°F DROP)  
Recommendation 2 is a primary-secondary piping method  
that maintains a constant flow through the boiler by using a  
secondary boiler circulator. This arrangement isolates the  
boiler from flow variations but does not safe-guard against  
cold return water temperatures. Use when:  
MAX  
4D  
CLOSELY  
SPACED  
TEES  
SYSTEM PUMP  
BOILER CI  
(BY OTHERS -  
1
SUPPLY  
system return water is not less than 135° F  
D
(
BOILER CIRCULATOR  
(BY OTHERS - SEE NOTE 5)  
for prolonged periods of time  
DRAIN VALVE  
(SEE NOTE 4)  
REAR OF  
BOILER  
system flow does not impact flow through the  
boiler (i.e. zoning, mixing)  
3” x 12” NIPPLE  
AND BELL REDUCER  
(SEE NOTE 4)  
2
RETURN  
PIPE SIZING AND NOTES FOR RECOMMENDATIONS 1 AND 2  
RETURN PIPING SIZE (IN)  
24-03 THRU 24-11 (W/20°F DROP)  
24-03 THRU 24-12 (W/40°F DROP)  
SUPPLY  
PIPING  
SIZE (IN) (1)  
RETURN  
HEADER  
(2A)  
RETURN  
BRANCH  
(QTY.) SIZE (2B)  
RETURN (2)  
20°F 40°F  
BOILER  
MODEL  
20°F  
40°F  
20°F  
20°F  
MAX  
4D  
CLOSELY  
SPACED  
TEES  
DROP DROP DROP DROP  
DROP  
DROP  
SYSTEM PUMP  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
2
2
1-1/2  
1-1/2  
1-1/2  
1-1/2  
2
2
2
1-1/2  
1-1/2  
1-1/2  
1-1/2  
2
3
SUPPLY  
D
2
2
BOILER CIRCULATOR  
(BY OTHERS - SEE NOTE 5)  
2-1/2  
2-1/2  
2-1/2  
3
2-1/2  
2-1/2  
2-1/2  
3
DRAIN VALVE  
(SEE NOTE 4)  
2
2
REAR OF  
BOILER  
2
2
3
2-1/2  
2-1/2  
2-1/2  
3
2-1/2  
2-1/2  
2-1/2  
3
3
NIPPLE  
REDUCER  
OTE 4)  
1
23  
2
4
4
(2) 3  
Notes:  
1. All piping is schedule 40.  
2
RETURN  
2B  
2. Pipe sizes listed are based on a 20° F or 40°F differential (temperature drop).  
Select one to match application.  
RETURN BRANCH  
RETURN HEADER  
2A  
3. When specified return piping is less than 3”, install 3” x 12” nipple and appropriate  
size bell reducer directly into boiler return tapping as shown.  
24-12 (W/20°F DROP)  
4. Drain valveball valve preferable, gate valve acceptable alternative  
(supplied by others).Minimum valve size per ASME code is 3/4 ” NPT.  
Recommendation 3 is used when the return water temperature goes below 135°F for prolonged periods of  
time. This is also primary-secondary piping, but includes the addition of a 3-way valve, return water sensor and  
boiler-mounted RTC Return Temperature Control.  
SYSTEM  
PUMP  
SYSTEM  
PUMP MAX  
4D  
MAX  
4D  
CLOSELY  
SPACED  
TEES  
CLOSELY  
SPACED  
TEES  
SUPPLY  
1
1
SUPPLY  
D
3
DIVERTING  
VALVE & ACTUATOR  
D
3
DIVERTING  
VALVE & ACTUATOR  
1
SUPPLY  
SEE NOTE 5  
RETURN  
1
SUPPLY  
SEE NOTE 5  
BOILER CIRCULATOR  
(BY OTHERS - SEE NOTE 5)  
BOILER CIRCULATOR  
(BY OTHERS - SEE NOTE 5)  
2
2
RETURN  
SEE NOTE 6  
DRAIN VALVE  
(SEE NOTE 4)  
DRAIN VALVE  
(SEE NOTE 4)  
SEE NOTE 6  
3” x 12” NIPPLE  
AND BELL REDUCER  
(SEE NOTE 4)  
REAR OF  
BOILER  
2
2
REAR OF  
BOILER  
RETURN  
RETURN  
RETURN  
SENSOR (SEE NOTE 7)  
2B  
RETURN BRANCH  
RETURN HEADER  
24-03 THRU 24-11 (W/20°F DROP)  
24-03 THRU 24-12 (W/40°F DROP)  
2A  
RETURN  
SENSOR  
(SEE NOTE 7)  
24-12 (W/20°F DROP)  
PIPE SIZING AND NOTES FOR RECOMMENDATION 3  
RETURN PIPING SIZE (IN)  
SUPPLY  
PIPING  
RETURN  
HEADER  
(2A)  
RETURN  
BRANCH  
Notes:  
1. All piping is schedule 40.  
SIZE (IN) (1)  
RETURN (2)  
20°F 40°F  
(QTY.) SIZE (2B)  
2. Pipe sizes listed are based on a 20° F or 40°F differential (temperature drop).  
Select one to match application.  
BOILER  
MODEL  
20°F  
40°F  
20°F  
DROP  
20°F  
DROP  
DROP DROP DROP DROP  
3. When specified return piping is less than 3”, install 3” x 12” nipple and appropriate  
size bell reducer directly into boiler return tapping as shown.  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
2
2
1-1/2  
1-1/2  
1-1/2  
1-1/2  
2
2
2
1-1/2  
1-1/2  
1-1/2  
1-1/2  
2
3
4. Drain valveball valve preferable, gate valve acceptable alternative  
(supplied by others).Minimum valve size per ASME code is 3/4” NPT.  
2
2
2-1/2  
2-1/2  
2-1/2  
3
2-1/2  
2-1/2  
2-1/2  
3
5. Maximum linear feet of pipe from 3-way bypass port to sensor location = 11 feet.  
Bypass line shall be the same diameter as return A.  
2
2
6. Minimum linear feet of pipe from point of mixing (where bypass meets return line)  
to sensor location = 4 feet.  
2
2
3
2-1/2  
2-1/2  
2-1/2  
3
2-1/2  
2-1/2  
2-1/2  
7. Install special 3” x 12” nipple with 1/4” NPT side tapping closest to boiler.  
Where applicable, use bell reducer to adapt to recommended return pipe size.  
3
3
4
4
(2) 3  
8. Proper boiler circulator sizing is listed in RTC literature.  
Series 24 Minimum Piping Recommendations – Steam Boiler  
‘A’  
1
1
(SEE NOTE 5)  
2
‘A’  
(SEE NOTE 5)  
2
1
18” MIN.  
‘B’  
RISER  
2
(SEE NOTE 4)  
2
(SEE NOTE 4)  
4
(SEE NOTE 5)  
24” MIN.  
2
2
4
SUPPLY  
(SEE NOTE 3)  
WATER LINE  
BLOW-OFF/  
DRAIN VALVE  
SEE NOTE 2  
HEADER  
(SEE NOTE 4)  
3
(SEE NOTE 3)  
2” TO 4”  
EQUALIZER  
3
4
(SEE NOTE 3)  
24-03 THRU 24-06  
CLOSE NIPPLE  
24-07 THRU 24-11  
HARTFORD LOOP  
(REQ’D ON GRAVITY  
RETURN SYSTEM)  
REAR OF BOILER  
RISER  
3
PIPING SIZE (IN)  
HEADER  
SPACING (IN)  
RETURN  
DRAIN VALVE  
(WET RETURN)  
RISER  
(QTY.)  
SIZE (1)  
BOILER  
MODEL  
& SUPPLY RETURN EQUALIZER  
24-12  
(2)  
(3)  
(4)  
A’  
‘B’  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
(1) 3”  
(1) 4”  
(1) 4”  
(1) 4”  
(2) 4”  
(2) 4”  
(2) 4”  
(2) 4”  
(2) 4”  
(3) 4”  
3”  
4”  
4”  
4”  
6”  
6”  
6”  
6”  
6”  
6”  
1-1/2”  
2”  
2”  
2”  
Notes:  
1. All piping is schedule 40.  
2”  
2”  
2. To prevent condensate from being trapped in header, do not reduce equalizer elbow at header  
connection.  
2-1/2”  
2-1/2”  
2-1/2”  
2-1/2”  
3”  
2-1/2”  
2-1/2”  
2-1/2”  
2-1/2”  
3”  
36”  
42”  
48”  
54”  
60”  
30”  
3. Drain/blowoff valveball valve preferable, gate valve acceptable alternative (supplied by others).  
Mininim valve size per ASME code is 3/4” NPT 24-03/24-05; 1” NPT 24-06/24-10;  
1-1/4” NPT 24-11/24-12.  
• Increasing the valve size will improve the blowdown operation  
3”  
3”  
• In all cases, piping connection blowoff valve to boiler should be full size to the point of discharge.  
4. For pumped return systems, see Series 24 installation manual.  
3”  
3”  
36”  
Commercial Hot Water or Steam Boiler  
Series 24 Specifications  
BURNER  
INPUT  
HEATING  
SURFACE  
(SQ. FT.)  
WATER  
CONTENT  
(GAL.)  
BOILER WEIGHT  
w/ WATER  
(LBS.)  
NET I=B=R RATING  
NET  
FIREBOX  
PRESSURE  
IN  
GROSS  
VENT  
DIA.  
(IN.)  
BOILER HORSE- OUTPUT  
SQ. FT.  
STEAM  
MBH  
STEAM  
MBH  
WATER  
OIL  
GAS  
(MBH)  
VOLUME FIREBOX  
WATER (CU. FT.) (“W.C.”)  
MODEL POWER  
(MBH)  
(GPH)  
STEAM  
STEAM  
WATER  
STEAM  
WATER  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
10.2  
14.1  
18.9  
23.8  
28.0  
32.5  
39.3  
45.0  
50.5  
55.3  
342  
471  
1071  
1471  
1983  
2492  
2929  
3396  
4146  
4788  
5429  
5983  
257  
353  
297  
410  
3.05  
4.10  
438  
594  
34.2  
48.6  
37.0  
54.3  
3.2  
4.8  
.33  
.38  
.31  
.38  
.36  
.35  
.35  
.40  
.45  
.49  
44.5  
53.0  
61.5  
70.0  
78.5  
87.0  
95.5  
104.0  
112.5  
121.0  
66.0  
75.0  
1439  
1811  
2184  
2557  
2930  
3303  
3676  
4048  
4421  
4794  
1618  
1995  
2372  
2749  
3126  
3503  
3880  
4257  
4634  
5011  
7
7
634  
476  
551  
5.50  
792  
63.0  
71.5  
6.4  
84.0  
8
797  
598  
693  
6.90  
990  
77.5  
88.8  
7.9  
93.0  
8
937  
703  
815  
8.10  
1174  
1358  
1641  
1867  
2093  
2320  
91.9  
106.0  
123.3  
140.5  
157.8  
175.0  
192.3  
9.5  
102.0  
111.0  
120.0  
129.0  
138.0  
147.0  
8
1087  
1316  
1505  
1690  
1852  
815  
945  
9.40  
106.3  
120.7  
135.1  
149.5  
164.0  
11.0  
12.6  
14.2  
15.7  
17.3  
10  
10  
10  
12  
12  
995  
1148  
1309  
1470  
1610  
11.40  
13.00  
14.60  
16.00  
1149  
1303  
1436  
Notes:  
1. Trim suffix  
Fuel suffix  
S = Steam Boiler  
N = Natural Gas  
W = Water Boiler  
O = Oil  
2. I=B=R net ratings shown are based on piping and pick-up allowances which vary from 1.333 to 1.289 for steam and 1.15 for water. Consult manufacturer for installations having unusual piping and pick-up  
requirements, such as intermittent system operation, extensive piping systems, etc. The I=B=R burner capacity in GPH is based on oil having a heat value of 140,000 BTU per gallon.  
3. Firebox volume does not include added volume of 8” extended burner mounting plate (BMP). If 8” BMP is specified (refer to Figure 1), add 0.7 cu. ft. to volume listed above.  
4. Boiler ratings are based on 12.5% CO2 (oil) and 9.7% CO2 (natural gas), + .10” (inches) water column pressure at boiler flue outlet. Ratings shown above apply at altitudes up to 1000 feet on oil and 2,000  
feet on gas. For altitudes above those indicated, the ratings should be reduced at the rate of 4% for each 1000 feet above sea level.  
Maximum Allowable Working Pressure: Steam Boiler – 15 PSI, Water Boiler – 50 PSI  
Standard Safety (Relief) Valve Set Pressure: Steam Boiler – 15 PSI, Water Boiler – 30 PSI  
Beckett Gas Burners (Natural Gas)  
Beckett Oil Burners  
Boiler  
Model  
Burner  
Model  
Rate  
Control  
STD. Motor  
Voltage  
Min. Inlet  
Pressure  
(in W.C.)  
Gas  
Train  
Size  
H.P.  
Boiler  
Model  
Burner  
Model  
Rate  
STD. Motor  
Voltage  
Control  
H.P.  
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
CF500  
CF800  
On/Off  
On/Off  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
240/60/1  
240/60/1  
1/3  
1/3  
1/3  
1/2  
1/2  
1/2  
3/4  
3/4  
2
24-03  
24-04  
24-05  
24-06  
24-07  
24-08  
24-09  
24-10  
24-11  
24-12  
CG10.1S  
CG10.4S  
CG10.5S  
CG10.6S  
CG15.3S  
CG15.4S  
CG25.2S  
CG25.3S  
CG25.4S  
CG50.2S  
On/Off  
On/Off  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
120/60/1  
208-240/60/1  
1/3  
1/3  
1/3  
1/3  
1/2  
1/2  
3/4  
3/4  
3/4  
2
3.2  
3.6  
4.3  
4.4  
4.0  
4.4  
4.3  
4.9  
4.9  
3.9  
1”  
1”  
CF800  
On/Off  
On/Off  
1-1/4”  
1-1/2”  
1-1/2”  
1-1/2”  
1-1/2”  
1-1/2”  
1-1/2”  
1-1/2”  
CF1400  
CF1400  
CF1400  
Lo/Hi/Lo  
Lo/Hi/Lo  
Lo/Hi/Lo  
On/Off  
Lo/Hi/Lo  
Lo/Hi/Lo  
Lo/Hi/Lo  
Lo/Hi/Lo  
Lo/Hi/Lo  
Lo/Hi/Lo  
CF2300A Lo/Hi/Lo  
CF2300A Lo/Hi/Lo  
CF2500  
CF2500  
Lo/Hi/Lo  
Lo/Hi/Lo  
2
Minimum gas pressures shown are for standard burners only.  
See manual for minimum gas pressure when other size gas trains are used.  
AVAILABLE FROM  
Since 1949, homeowners have depended on us  
for quality, value and service.  
3633 I Street, P.O. Box 14818  
Philadelphia, PA 19134  
Phone: (215) 535-8900 Fax: (215) 535-9736  
S24-12/05 (25M)  
PN980521  

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