INSTALLATION, OPERATING AND
SERVICE INSTRUCTIONS FOR
SERIES 2PV
POWER VENT
GAS - FIRED BOILER
For service or repairs to boiler, call your heating contractor. When seeking information on
boiler, provide Boiler Model Number and Serial Number as shown on Rating Label.
Installation Date
Boiler Model Number
Boiler Serial Number
20_PV_I -_ _ _ _
6_ _ _ _ _ _ _
Phone Number
Heating Contractor
Address
Price - $3.00
8141775R12-3/01
3
I.Pre-Installation
WARNING
C. Appliance is design certified for installation on
combustible flooring. The boiler must not be installed
on carpeting.
Carefully read all instructions before
installing boiler. Failure to follow all
instructions in proper order can cause
personal injury or death.
D. Provide clearance between boiler jacket and
combustible material in accordance with local fire
ordinance. See Figure 2 for minimum clearance from
combustible material for closet installation. For alcove
installation provide top clearance of 27 inches and right
side clearance of 6 inches. Recommended service
clearance is 24 inches from left side, right side and front.
Service clearances may be reduced to minimum
clearances to combustible materials.
A. Inspect shipment carefully for any signs of damage. All
equipment is carefully manufactured, inspected and
packed. Our responsibility ceases upon delivery of
boiler to carrier in good condition. Any claim for damage
or shortage in shipment must be filed immediately
against carrier by consignee. No claims for variances or
shortages will be allowed by Boiler Manufacturer,
unless presented within sixty (60) days after receipt of
equipment.
E. Install on level floor. For basement installation provide
solid base, such as concrete, if floor is not level or if
water may be encountered on floor around boiler.
F. Install near outside wall for through wall venting. Refer
to Section V: Venting, for vent length limitations.
B. Installation must conform to the requirements of the
authority having jurisdiction. In the absence of such
requirements, installation must conform to National
Fuel Gas Code, NFPA 54/ANSI Z223.1, and/or CAN/
CGA B149 Installation Codes. Where required by the
authority having jurisdiction, the installation must
conform to the Standard for Controls and Safety
Devices for Automatically Fired Boilers, ANSI/ASME
CSD-1.
WARNING
Certified as Category III appliance. Install
vent system in accordance with Section
V: Venting. Do not vent using masonry
chimney, Type B gas vent, or other
Category I venting system.
G. Protect gas ignition system components from water
(dripping, spraying, rain, etc.) during boiler operation
and service (circulator replacement, condensate trap,
control replacement, etc.).
H. Provide combustion and ventilation air in accordance
with applicable provisions of local building codes, or
National Fuel Gas Code, NFPA 54/ANSI Z223.1,
Section 5.3, Air for Combustion and Ventilation, or
Sections 7.2, 7.3 or 7.4 of CAN/CGA B149 Installation
Codes.
WARNING
Adequate combustion and ventilation air
must be provided to assure proper
combustion.
The following guideline is based on the National Fuel
Gas Code, NFPA 54/ANSI Z223.1.
1. Determine volume of space (boiler room). Rooms
communicating directly with space (through
openings not furnished with doors) are considered
part of space.
Volume [ft³] = Length [ft] x Width [ft] x Height [ft]
Figure 2: Minimum Clearances to Combustible
Construction for Closet Installation
4
2. Determine Total Input of all appliances in space.
Round result to nearest 1,000 Btu per hour (Btuh).
a. Direct communication with outdoors. Minimum
free area of 1 square inch per 4,000 Btu per hour
input of all equipment in space.
3. Determine type of space. Divide Volume by Total
Input.
b. Vertical ducts. Minimum free area of 1 square
inch per 4,000 Btu per hour input of all equipment
in space. Duct cross-sectional area shall be same
as opening free area.
a. If result is greater than or equal to 50 ft³ per 1,000
Btuh, space is considered an unconfined space.
b. If result is less than 50 ft³ per 1,000 Btuh, space is
c. Horizontal ducts. Minimum free area of 1 square
inch per 2,000 Btu per hour input of all equipment
in space. Duct cross-sectional area shall be same
as opening free area.
considered a confined space.
4. Determine building type. A building of unusually
tight construction has the following characteristics:
a. Walls and ceiling exposed to outside atmosphere
have a continuous water vapor retarder with a
rating of 1 perm or less with openings gasketed
and sealed, and;
Alternate method for boiler located within confined
space. Use indoor air if two permanent openings
communicate directly with additional space(s) of
sufficient volume such that combined volume of all
spaces meet criteria for unconfined space. Size each
opening for minimum free area of 1 square inch per
1,000 Btu per hour input of all equipment in spaces,
but not less than 100 square inches.
b. Weather-stripping has been added on openable
windows and doors, and;
c. Caulking or sealants applied in joints around
window and door frames, between sole plates
and floors, between wall-ceiling joints, between
wall panels, at plumbing and electrical
7. Ventilation Duct Louvers and Grilles. Equip outside
openings with louvers to prevent entrance of rain
and snow, and screens to prevent entrance of
insects and rodents. Louvers and grilles must be
fixed in open position or interlocked with equipment
to open automatically before burner operation.
Screens must not be smaller than ¼ inch mesh.
penetrations, and at other openings.
5. For boiler located in an unconfined space in a
building of other than unusually tight construction,
adequate combustion and ventilation air is normally
provided by fresh air infiltration through cracks
around windows and doors.
Consider the blocking effect of louvers, grilles and
screens when calculating the opening size to provide
the required free area. If free area of louver or grille is
not known, assume wood louvers have 20-25 percent
free area and metal louvers and grilles have 60-75
percent free area.
6. For boiler located within unconfined space in
building of unusually tight construction or within
confined space, provide outdoor air through two
permanent openings which communicate directly or
by duct with the outdoors or spaces (crawl or attic)
freely communicating with the outdoors. Locate one
opening within 12 inches of top of space. Locate
remaining opening within 12 inches of bottom of
space. Minimum dimension of air opening is 3
inches. Size each opening per following:
I. Do not install boiler where gasoline or other flammable
vapors or liquids, or sources of hydrocarbons (i.e.
bleaches, cleaners, chemicals, sprays, paint removers,
fabric softeners, etc.) are used or stored.
II.UnpackBoiler
CAUTION
D. Remove all boiler hold-down fasteners.
Do not drop boiler. Do not bump boiler
jacket against floor.
E. Tilt the boiler to one side and slide a wooden slat under
the two raised feet.
A. Move boiler to approximate installed position.
F. Tilt the boiler to the other side and slide another
wooden slat under the two raised feet.
B. Remove all crate fasteners.
G. Slide the boiler forward or backward off the skid using
C. Lift outside container and remove with all other inside
protective spacers and bracing. Save two of the
wooden slats from the container sleeve for use in
Paragraphs E and F.
the two wooden slats as runners.
H. Move boiler to its permanent location.
5
III. WaterPipingandTrim
CAUTION
F. Space heating and domestic water heating with Alliance
water heater. Install Alliance water heater as a separate
heating zone. Refer to Alliance Installation, Operating and
Service Instructions for additional information.
Failure to properly pipe boiler may result in
improper operation and damage to boiler or
building.
G. If boiler is used in connection with refrigeration systems ,
boiler must be installed with chilled medium piped in
parallel with the heating boiler using appropriate valves to
prevent chilled medium from entering boiler, see Figure 4.
Also consult I=B=R Installation and Piping Guides.
A. Design and install boiler and system piping to prevent
oxygen contamination of boiler water.
H. If boiler is connected to heating coils located in air
handling units where they may be exposed to refrigerated
air, boiler piping must be equipped with flow control
valves to prevent gravity circulation of boiler water during
operation of cooling system.
CAUTION
Oxygen contamination of boiler water will
cause corrosion of iron and steel boiler
components, and can lead to boiler failure.
Burnham's standard warranty does not
cover problems caused by oxygen
contamination of boiler water.
I. Use a boiler bypass if the boiler is to be operated in a
system which has a large volume or excessive radiation
where low boiler water temperatures may be encountered
(i.e. converted gravity circulation system, etc.).
Install pipe tee between circulator and boiler return along
with second tee in supply piping as shown in Figure 3.
Bypass should be same size as the supply and return lines
with valves located in bypass and supply outlet as
illustrated in Figure 3 in order to regulate water flow to
maintain higher boiler water temperatures.
Oxygen contamination sources are system leaks
requiring addition of makeup water, fittings, and oxygen
permeable materials in distribution system. Eliminate
oxygen contamination by repairing system leaks,
repairing fittings, and using nonpermeable materials in
distribution system.
After the boiler is operational (reference Section VII.
System Start-Up) set by-pass and boiler supply valves to
half throttle position to start. Operate boiler until system
water temperature reaches normal operating range.
Adjust valves to provide 180° to 200°F supply water
temperature. Opening the boiler supply valve will raise
system temperature, while opening the by-pass valve will
lower system supply temperature.
B. Connect system supply and return piping to boiler. See
Figure 3. Also consult I=B=R Installation and Piping
Guides. Maintain minimum ½ inch clearance from hot
water piping to combustible materials.
C. Install Circulator with flanges, gaskets and bolts
provided. Five foot circulator harness allows circulator
to be mounted on supply or return. Connect harness to
J. A hot water boiler installed above radiation level must be
provided with a low water cut-off device as part of
installation.
circulator and secure any excess conduit.
D. Install Safety Relief Valve. See Figure 3. Safety Relief
Valve must be installed with spindle in vertical position.
Installation of the relief valve must be consistant with
the ANSI/ASME Boiler and Pressure Vessel Code,
Section IV.
K. Oil, grease, and other foreign materials which
accumulate in new hot water boilers and a new or
reworked system should be boiled out, and then
thoroughly flushed. A qualified water treatment chemical
specialist should be consulted for recommendations
regarding appropriate chemical compounds and
concentrations which are compatible with local
environmental regulations.
WARNING
Safety relief valve discharge piping must be
piped near floor to eliminate potential of
severe burns. Do not pipe in any area
where freezing could occur. Do not install
any shut-off valves.
L. After the boiler and system have been cleaned and
flushed, and before refilling the entire system add
appropriate water treatment chemicals, if necessary, to
bring the pH between 7 and 11.
E. Install Drain Valve in ¾" NPT connection in tee
provided. See Figure 1.
6
Figure 3: Recommended Boiler Piping For Series - Loop Hot Water Heating Systems
Figure 4: Recommended Piping for Combination Heating & Cooling (Refrigeration) Systems
7
IV. GasPiping
A. Size gas piping. Design system to provide adequate
3. Install sediment trap, ground-joint union and manual
shut-off valve upstream of boiler gas control valve
and outside jacket. See Figure 6.
gas supply to boiler. Consider these factors:
1. Allowable pressure drop from point of delivery to
boiler. Maximum allowable system pressure is ½
psig. Actual point of delivery pressure may be less;
contact gas supplier for additional information.
Minimum gas valve inlet pressure is listed on
rating label.
4. All above ground gas piping upstream from manual
shut-off valve must be electrically continuous and
bonded to a grounding electrode. Do not use gas
piping as grounding electrode. Refer to National
Electrical Code, ANSI/NFPA 70 and/or CSA C22
Electrical Code.
2. Maximum gas demand. Table 1 lists boiler input
rate. Also consider existing and expected future gas
utilization equipment (i.e. water heater, cooking
equipment).
C. Pressure test. The boiler and its gas connection must
be leak tested before placing boiler in operation.
1. Protect boiler gas control valve. For all testing over
½ psig, boiler and its individual shut-off valve must
be disconnected from gas supply piping. For testing
at ½ psig or less, isolate boiler from gas supply
piping by closing boiler's individual manual shut-off
valve.
Table 1: Rated Input
Input Rate
[cubic feet per hour]
Boiler
Model
Number
Gas
Connection
Size
Natural Gas LP/Propane
2. Locate leaks using approved combustible gas
detector, soap and water, or similar nonflammable
solution. Do not use matches, candles, open flames,
or other ignition source.
203PV
204PV
205PV
206PV
62
24¾
38½
52
½
½
½
½
96
130
164
65¾
3. Length of piping and number of fittings. Refer to
Table 2 for maximum capacity of Schedule 40 pipe.
Table 3 lists equivalent pipe length for standard
fittings.
4. Specific gravity of gas. Gas piping systems for gas
with a specific gravity of 0.70 or less can be sized
directly from Table 2, unless authority having
jurisdiction specifies a gravity factor be applied. For
specific gravity greater than 0.70, apply gravity
factor from Table 4. If exact specific gravity is not
shown choose next higher value.
For materials or conditions other than those listed
above, refer to National Fuel Gas Code, NFPA 54/
ANSI Z223.1, or size system using standard
engineering methods acceptable to authority having
jurisdiction.
B. Connect boiler gas valve to gas supply system.
1. Use methods and materials in accordance with local
plumbing codes and requirements of gas supplier.
In absence of such requirements, follow National
Fuel Gas Code, NFPA 54/ANSI Z223.1 and/or
CAN/CGA B149 Installation Codes.
2. Use thread (joint) compounds (pipe dope) resistant
to action of liquefied petroleum gas.
Figure 6: Recommended Gas Piping
8
Table 2: Maximum Capacity of Schedule 40 Pipe in CFH For Gas Pressures of 0.5 psig or Less
0.3 inch w.c. Pressure Drop
0.5 inch w.c. Pressure Drop
Length
[Feet]
½
132
92
73
63
56
50
46
43
40
38
¾
1
1¼
1,050
730
590
500
440
400
370
350
320
305
½
175
120
97
¾
1
1¼
1,400
950
770
660
580
530
490
460
430
400
10
20
30
40
50
60
70
80
90
100
278
190
152
130
115
105
96
520
350
285
245
215
195
180
170
160
150
360
250
200
170
151
138
125
118
110
103
680
465
375
320
285
260
240
220
205
195
82
73
66
61
90
57
84
53
79
50
Table 3: Fitting Equivalent Lengths
Nominal Pipe Size
Table 4: Specific Gravity Correction Factors
Specific
Gravity
Correction
Factor
Specific
Gravity
Correction
Factor
Fitting
0.50
0.55
0.60
0.65
0.70
0.75
0.80
1.10
1.04
1.00
0.96
0.93
0.90
0.87
1.30
1.40
1.50
1.60
1.70
1.07
1.04
1.00
0.97
0.94
½
¾
1
1
1¼
1.6
3.5
6.9
45° Ell
90° Ell
0.7
1.6
3.1
1.2
2.6
5.2
2.1
4.1
Tee (As Elbow)
V. Venting
A. General Guidelines.
Flex-L International Inc., - Star-34, Protech Systems,
Inc. - FasNSeal™, and Z-Flex U. S., Inc. - Z-Vent.
The use of these alternate manufacturer's venting
systems will require adapters to connect to the
Burnham supplied vent connector and vent terminal.
These adapters are not supplied with this unit and
should be obtained from the supplier of the alternate
manufacturer's venting system. See Table 5 for
complete list of Burnham Vent System Components.
1. Vent system installation must be in accordance with
National Fuel Gas Code, NFPA 54/ANSI Z221.3,
Part 7, Venting of Equipment; and/or CAN/CGA
B149 Installation Codes, Section 7, Venting Systems
and Air Supply for Appliances; or applicable
provisions of local building codes. Contact local
building or fire officials about restrictions and
installation inspection in your area.
2. This appliance requires a Special Gas Vent. Use Vent
Connector and Vent Terminal in Vent Accessory
Carton provided with boiler (See Repair Parts, Key
No. 8). The product is designed to use Burnham
supplied AL 29-4C® Stainless Steel vent system
components. The following manufacturers offer
similar AL 29-4C® components and are approved for
use with this product: Heat-Fab Inc. - Saf-T-Vent,
WARNING
Do not use this appliance with nonmetallic
vent systems such as Hart & Cooley
Ultravent, Plexco Plexvent, or Selkirk-
Metalbestos Sel-Vent.
9
Table 5: Burnham Vent System Components
(d) Place in operation the appliance being inspected.
Follow the Lighting (or Operating) Instructions.
Adjust thermostat so appliance will operate
continuously.
Burnham
*Cartoned
Part
Burnham
Vent System
Component
Component
Part
(e) Test for spillage at the drafthood relief opening after
5 minutes of main burner operation. Use the flame of
a match or candle, or smoke from a cigarette, cigar or
pipe.
Number
Number
3" Dia. Pipe x 1 Ft
3" Dia. Pipe x 3 Ft
3" Dia. Pipe x 4 Ft
3" Dia. Pipe x 5 Ft
3" Dia. 90° Elbow
3" Dia. 45° Elbow
61160112
61160101
**
8116135
8116058
8116176
8116059
8116060
8116061
(f) After it has been determined that each appliance
remaining connected to the common venting system
properly vents when tested as outlined above,
return doors, windows, exhaust fans, fireplace
dampers and any other gas burning appliance to
their previous conditions of use.
61160111
61160121
61160131
(g) Any improper operation of the common venting
system should be corrected so the installation
conforms with the National Fuel Gas Code, NFPA
54/ANSI Z223.1. When resizing any portion of the
common venting system, the common venting
system should be resized to approach the minimum
size as determined using the appropriate tables in
Part II in the National Fuel Gas Code, NFPA 54/
ANSI Z223.1.
*
Complete with Locking Band(s)
* * 6116033 Contains (4) 4 ft. lengths
6116040 Contains (2) 4 ft. lengths
3. Vent length restrictions are based on equivalent feet
of vent pipe (total length of straight pipe in feet plus
5 equivalent feet for each 45° or 90° elbow). Do not
exceed the maximum certified vent length of 25
equivalent feet. The minimum certified vent length is
7 equivalent feet. Do not include vent terminal or
vent connector in equivalent feet calculations.
C. Install Vent Connector.
1. Remove vent connector from vent accessory carton.
4. Do not install venting system components on the
exterior of the building except as specifically required
by these instructions.
2. Remove gaskets, orifice plate and hardware from
blower outlet flange.
3. Assemble orifice plate gaskets, orifice plate, and
vent connector. See Figure 7.
B. Removal of Existing Boiler. For installations not
involving the replacement of an existing boiler, proceed
to Step C.
4. Secure vent connector with washers and locknuts.
When an existing boiler is removed from a common
venting system, the common venting system is likely to
be too large for proper venting of the remaining
appliances. At the time of removal of an existing boiler,
the following steps shall be followed with each
appliance remaining connected to the common venting
system placed in operation, while the other appliances
remaining connected to the common venting system are
not in operation:
(a) Seal any unused openings in the common venting
system.
(b) Visually inspect the venting system for proper size
and horizontal pitch and determine there is no
blockage or restriction, leakage, corrosion, and other
deficiencies which could cause an unsafe condition.
(c) Insofar as is practical, close all building doors and
windows and all doors between the space in which
the appliances remaining connected to the common
venting system are located and other spaces of the
building. Turn on clothes dryers and any appliance
not connected to the common venting system. Turn
on any exhaust fans, such as range-hoods and
bathroom exhausts, so they will operate at maximum
speed. Do not operate a summer exhaust fan. Close
fireplace dampers.
Figure 7: Vent Connector Installation
10
2. Vent terminal location restricted per following:
D. Install Vent Pipe, General.
a. Minimum 12 inches above grade plus normally
expected snow accumulation level, or 7 feet
above grade if located adjacent to public
walkway. Do not install over public walkway
where local experience indicates condensate or
vapor from Category III appliances creates a
nuisance or hazard.
1. Start at vent connector. Work toward vent terminal.
2. Use ¾ inch pipe strap to support horizontal runs,
maintain vent location and slope, and prevent sags.
Do not restrict thermal expansion movement.
Maximum support spacing is 5 feet.
3. Provide minimum 5 inch clearance to combustible
materials. Use thimble when penetrating combustible
wall.
a. 203PV and 204PV - Single wall thimble, Burnham
Part No. 8116116. Other wall thimble
manufacturers are American Metal Products, Hart
& Cooley, and Metal Fab.
b. 205PV and 206PV - Double wall thimble, Burnham
Part No. 8116115 (accomodates 5" to 8¾" wall
thickness). Another wall thimble manufacturer is
Hart & Cooley.
4. Cut pipe to length using hacksaw with minimum 32
teeth per inch or circular saw with metal abrasive
wheel. Remove bead end only - bell end accepts next
fitting or pipe. Cut must be square with pipe. Scrape
off burrs with sharp edged tool.
Figure 8: Typical Joint Detail
Note: If remaining pipe (less bell) must be used,
beaded end of mating pipe/fitting must be crimped.
b. Minimum 3 feet above any forced air inlet located
within 10 feet.
5. Seal all joints using Dow Corning Silastic 732 RTV,
Dow Corning Silastic 736 RTV, Polybac #500 RTV, or
Sil-bond RTV 4500 (Acetoxy). Do not use other
adhesives or sealants.
c. Minimum 4 foot below, 4 foot horizontally from,
or 1 foot above any door, window, or gravity air
inlet.
d. Minimum 4 feet horizontally from, and in no case
above or below, unless a 4-foot horizontal
distance is maintained, from electric meters, gas
meters, regulators and relief equipment.
6. Procedure for joining pipe and fittings. See Figure 8.
a. Clean pipe or fitting. Remove all dirt and grease.
b. Slip locking band over pipe/fitting bell.
e. Minimum 12 inches from overhang or corner.
c. Apply continuous ¼ inch bead of sealant around
bead end of pipe/fitting no more than 1/8 inch
from end.
3. Use wall thimble when passing through combustible
outside wall (thimble use optional for
noncombustible wall). Insert thimble through wall
from outside. Secure outside flange to wall with nails
or screws, and seal with adhesive material. Install
inside flange to inside wall, secure with nails or
screws, and seal with adhesive material.
d. Insert pipe/fitting into bell. Smooth sealant for
continuous seal around gap between bead and
bell. Apply additional sealant if necessary.
e. Slip locking band over joint and tighten. Do not
secure joint with sheet metal screws or pop rivets.
4. For noncombustible wall when thimble is not used,
size opening such that bell with locking band
attached cannot pass through.
E. Horizontal (Through Wall) Vent Installation.
1. Maintain minimum ¼ inch per foot slope in
horizontal runs. Slope pipe down toward vent
terminal.
5. Join vent terminal to vent pipe. Cut vent pipe to
locate vent terminal 3 inches (minimum) and 6 inches
(recommended) from wall when joined to inside vent
piping. See Figure 9. Vent terminal clearance to vinyl
wall surfaces is 6 inches.
CAUTION
Moisture and ice may form on surfaces
around vent terminal. To prevent
deterioration, surfaces should be in good
repair (sealed, painted etc.)
6. Insert vent pipe through thimble/opening from
outside and join to vent system. Apply sealant
between vent pipe and opening/thimble to provide
weathertight seal.
11
Figure 9: Recommendations for Thimble and Wall Penetration
VI.Electrical
A. General. Install wiring and ground boiler in
accordance with requirements of authority having
jurisdiction, or in absence of such requirements the
National Electrical Code, ANSI/NFPA 70, and/or the
CSA C22.1 Electric Code.
Instructions.
1. Zoning with Circulators, Domestic Hot Water
Priority. Provide DPDT relay (included with PAL).
Connect coil to Alliance thermostat (prewired with
PAL). Connect normally open contacts (red and
white wires in PAL control harness) to transformer
terminals 'R' and 'Y'. Disconnect yellow circulator
wire. Connect normally closed contacts (violet
wires in PAL boiler harness) to yellow relay wire
and yellow circulator wire.
B. Install thermostat. Locate on inside wall approximately
4 feet above floor. Do not install on outside wall, near
fireplace, or where influenced by drafts or restricted air
flow, hot or cold water pipes, lighting fixtures,
television, or sunlight. Allow free air movement by
avoiding placement of furniture near thermostat.
2. Zoning with Circulators, Nonpriority. Connect
Alliance circulator zone control (or red and white
wires in PAL control harness) to transformer
terminals 'R' and 'Y'.
C. Wire thermostat. Provide Class II circuit between
thermostat and boiler. Run wires through grommet in
Jacket Left Side Panel. Set thermostat heat anticipator
to 0.6 amps. See Figure 10.
3. Zoning with Zone Valves. Connect Alliance
thermostat to zone valve. Connect zone valve end
switch to relay terminals 'R' and 'G'. See Paragraph
F.
D. Wire boiler. Boiler is rated for 120 VAC, 60 hertz, less
than 12 amperes. Provide individual branch circuit with
fused disconnect. Connect to black and white wires and
F. For installations using zone valves provide separate
transformer for zone valve wiring. Consult zone valve
manufacturer for assistance.
green ground screw. See Figure 10.
E. Alliance water heater (if used). See Figure 10. Also refer
to Alliance Installation, Operating and Service
12
Figure 10: Wiring Diagram
VII.SystemStart-up
8. Open zone valve to second zone to be purged, then
close first. Repeat this step until all zones have been
purged, but always have one zone open. At
completion, open all zone valves.
A. Safe operation and other performance criteria were met
with gas manifold and control assembly provided on
boiler when boiler underwent tests specified in
American National Standard for Gas-Fired Low-
Pressure Steam and Hot Water Boilers, ANSI Z21.13.
9. Close bib cock, continue filling system until pressure
gauge reads 12 psi. Close fill valve.
B. Fill heating system with water and vent air from system.
Use the following procedure on a Series Loop System
equipped with zone valves. See Figure 3.
Note: If makeup water line is equipped with pressure
reducing valve, system will automatically fill to 12
psi. Leave globe valve open.
1. Close isolation valve in boiler supply piping.
10. Open isolation valve in boiler supply piping.
11. Remove hose from bib cock.
2. Isolate all circuits by closing zone valves or
balancing valves.
3. Attach hose to bib cock located just below isolation
valve in boiler supply piping. Terminate hose in five
gallon bucket at a suitable floor drain or outdoor
area).
C. Check main burners. See Figure 11. Rear of burner
must be in vertical slot in rear of burner tray. Front of
burner must be seated on orifice.
4. Starting with one circuit, open zone valve.
5. Open bib cock.
6. Open fill valve. Makeup water line should be located
directly above isolation valve in boiler supply
piping.
7. Allow water to overflow from bucket until discharge
from hose is bubble free for 30 seconds.
13
Figure 11: Main Burner Installation
Figure 12: Gas Valve Pressure Tap
D. Prepare to check operation.
1. Obtain gas heating value (in Btu per cubic foot) from
gas supplier.
2. Connect manometer to pressure tap on gas valve.
See Figure 12.
3. For natural gas fired boiler, temporarily turn off all
other gas-fired appliances.
E. Follow Operating Instructions to place boiler in
operation. See Figure 17.
F. Sequence of Operation. See Figure 14. If boiler fails to
operate properly, see Troubleshooting Tree on pages
17-18.
G. Check gas piping and connections between Gas Valve
and Manifold, Orifices and Pilot Tubing. Use soap
solution or other approved method. See Figure 13.
H. Check pilot burner flame. See Figure 15. Flame should
be steady, medium hard blue enveloping 3/8 to ½ inch
of sensing probe.
I. Check main burner flame. See Figure 16. Flame should
have clearly defined inner cone with no yellow tipping.
Orange-yellow streaks should not be confused with true
yellow tipping.
Figure 14: Sequence of Operation
14
Figure 13: Schematic Pilot and Gas Piping
Figure 15: Pilot Burner Flame
Table 6: Gas Flow Rate in Cubic Feet per Hour
Size of Gas Meter Dial
Seconds
for One
Revolution
One-Half
Cu. Ft.
One
Cu. Ft.
Two
Cu. Ft.
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
60
56
53
50
47
45
43
41
39
37
36
35
33
32
31
30
120
113
106
100
95
240
225
212
200
189
180
172
164
157
150
144
138
133
129
124
120
90
86
Figure 16: Main Burner Flame
82
78
J. Check thermostat operation. Raise and lower
75
temperature setting to start and stop boiler operation.
72
K. Check ignition control module shut-off. Disconnect
igniter/sensor cable from Terminal 9 (SPARK). Gas valve
should close and pilot and main burners should
extinguish.
69
67
64
L. Check low water cut-off (if used). Drain boiler water
62
below LWCO set point. Burners should extinguish.
60
M. Check limit.
1. Adjust thermostat to highest setting.
a. Boiler must not be overfired. Reduce input rate
by decreasing manifold pressure. Do not reduce
more than 0.3 inch w.c. If boiler is still overfired,
contact your Burnham distributor or Regional
Office for replacement Gas Orifice.
2. Observe temperature gauge. When temperature is
indicated, adjust limit to setting below observed
temperature. Main burners and pilot burner should
extinguish and blower stop.
b. Increase input rate if less than 98% of rating label
input. Increase manifold gas pressure no more
than 0.3 inch w.c. If measured input rate is still
less than 98% of rated input:
3. Adjust limit to setting above observed temperature.
Ignition sequence should begin.
4. Adjust thermostat to lowest setting. Adjust limit to
desired setting.
i. Remove Main Burners per procedure in
Section VIII: Service.
N. Adjust gas input rate to boiler (Natural Gas).
ii. Remove gas orifices. Drill one (1) drill size
larger (drill size is stamped on orifice, or see
Key No. 4D).
1. Adjust thermostat to highest setting.
2. Check manifold gas pressure. Manifold pressure is
listed on rating label. Adjust gas valve pressure
regulator as necessary (turn adjustment screw
counterclockwise to decrease manifold pressure, or
clockwise to increase manifold pressure). If pressure
can not be attained, check gas valve inlet pressure.
If less than minimum gas supply pressure listed on
rating label, contact gas supplier for assistance.
iii. Reinstall gas orifices and main burners.
Measure input rate.
6. Recheck Main Burner Flame.
7. Adjust thermostat to normal setting.
8. Return other gas-fired appliances to previous
conditions of use.
3. Clock gas meter for at least 30 seconds. Use Table 6
to determine gas flow rate in Cubic Feet per Hour.
O. Adjust gas input rate to boiler (LP/Propane).
4. Determine Input Rate. Multiply gas flow rate by gas
heating value.
1. Adjust thermostat to highest setting.
2. Check manifold pressure. Adjust gas valve pressure
regulator to obtain 10 inches w.c. manifold pressure.
5. Compare measured input rate to input rate listed on
rating label.
15
Figure 17: Operating Instructions
Adjust gas valve pressure regulator as necessary
subsequent boiler operation.
(turn adjustment screw counterclockwise to
decrease manifold pressure, or clockwise to increase
manifold pressure). If pressure can not be attained,
check gas valve inlet pressure. If less than minimum
gas supply pressure listed on rating label, contact
gas supplier for assistance.
2. Ventilate the boiler room, set the high limit to its
maximum setting, set the thermostat to call for heat.
Allow the boiler to fire for at least an hour or until
the odor from the cornstarch has dissipated.
3. Return the high limit and thermostat to their desired
settings.
3. Recheck Main Burner Flame
4. Adjust thermostat to normal setting.
Q. Review User's Information Manual and system
operation with owner or operator.
P. COMBUSTION CHAMBER BURN-OFF
R. Post instructions near boiler for reference by owner and
service personnel. Maintain instructions in legible
condition.
1. The mineral wool combustion chamber panels
contain a cornstarch based binder that must be
burned out at installation to prevent odors during
16
TROUBLE SHOOTING GUIDE
SPLIT (SEPARATE) CONTROLS, 24 VOLT OPERATION WITH
ELECTRONIC IGNITION AND INTERMITTENT CIRCULATION
NOTE: 1. Read Sequence of Operation prior to using Trouble Shooting Guide.
See Page 14.
2. Prior to replacing a control, always check for broken wires or loose connectors that
provide power to that control.
17
18
Note: Minimum pilot signal should be 1.0 microamps. Disconnect Pilot Ground wire from Module and connect
DC microammeter between Ground Terminal and Pilot Ground wire.
19
Important Product Safety Information
Refractory Ceramic Fiber Product
Warning:
This product contains refractory ceramic fibers (RCF). RCF has been classified
as a possible human carcinogen. After this product is fired, RCF may, when
exposed to extremely high temperature (>1800F), change into a known human
carcinogen. When disturbed as a result of servicing or repair, RCF becomes
airborne and, if inhaled, may be hazardous to your health.
AVOID Breathing Fiber Particulates and Dust
Precautionary Measures:
Do not remove or replace previously fired RCF (combustion chamber insulation,
target walls, canopy gasket, flue cover gasket, etc.) or attempt any service or
repair work involving RCF without wearing the following protective gear:
1. A National Institute for Occupational Safety and Health (NIOSH)
approved respirator
2. Long sleeved, loose fitting clothing
3. Gloves
4. Eye Protection
·
·
·
Take steps to assure adequate ventilation.
Wash all exposed body areas gently with soap and water after contact.
Wash work clothes separately from other laundry and rinse washing
machine after use to avoid contaminating other clothes.
·
Discard used RCF components by sealing in an air tight plastic bag.
First Aid Procedures:
·
·
·
If contact with eyes: Flush with water for at least 15 minutes. Seek
immediate medical attention if irritation persists.
If contact with skin: Wash affected area gently with soap and water.
Seek immediate medical attention if irritation persists.
If breathing difficulty develops: Leave the area and move to a location
with clean fresh air. Seek immediate medical attention if breathing
difficulties persist.
·
Ingestion: Do not induce vomiting. Drink plenty of water. Seek
immediate medical attention.
20
VIII. Service
a. If passageways are free of soot and obstruction,
replace canopy, secure and seal using kit
available from Burnham Distributors, Part No.
6111716.
A. General. Inspection and service should be conducted
annually. Turn off electrical power and gas supply while
conducting service or maintenance. Follow instructions
TO TURN OFF GAS TO APPLIANCE. See Figure 17.
b. If passageways need cleaning, remove burners as
described in Paragraph F below. Using long
handle wire or bristle flue brush and vacuum,
brush flueways thoroughly from top of boiler as
illustrated in Figure 19. Replace canopy and seal
using kit available from Burnham Distributors,
Part No. 6111716.
CAUTION
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation. Verify
proper operation after servicing.
WARNING
B. Inspect Housekeeping. Boiler area must be clear and
free from combustible materials, gasoline and other
flammable vapors and liquids. Remove obstructions to
the flow of combustion and ventilation air.
Canopy must be resealed with RTV-732
Silicone Rubber Sealant (500°F Intermittent
Duty).
C. Service Low water cut-off (if so equipped). Follow
6. Reinstall jacket top panel, vent pipe and vent
connector in reverse manner. Reconnect electrical
connector to blower.
instructions provided with low water cut-off
D. Inspect Vent System for obstructions in vent pipe, soot
accumulation, deterioration of pipe or joints, and proper
support:
F. Clean Main Burners and Firebox.
1. Remove vent connector and vent pipe. See Figure
19.
1. To remove burners for cleaning, changing orifice
plugs, or repairs:
2. Remove all obstructions. Check and clean vent
terminal screens.
a. Remove jacket Front Panel.
b. Disconnect pilot tubing at gas valve.
3. Remove soot accumulations with wire brush and
vacuum.
c. Disconnect igniter/sensor cable and ground wire
at Ignition Module.
4. Replace deteriorated parts.
d. Disconnect Flame Rollout Switch wires.
e. Remove Burner Access Panel.
5. Repair deteriorated joints. See Section V: Venting,
Paragraph D.6.
f. Mark Pilot Main Burner location on Manifold.
E. Inspect Boiler Flue Passages for blockage or soot
g. Hold burner on throat. Lift slightly to clear orifice.
Pull burner from combustion chamber. See Figure
11. Pilot Main Burner can only be removed by
lifting at 45° angle after adjacent burner to right is
removed.
accumulation. See Figure 19.
1. Disconnect vent connector from blower discharge
flange.
2. Remove sheet metal screws securing Jacket Top
Panel. Lift panel and rotate about relief valve piping
until top of boiler is exposed. If piping or wall
prevent full rotation of top panel for access to
canopy, cut slot into relief valve opening and
remove top panel.
2. Brush top of burners with a soft bristle brush. See
Figure 19. Vacuum burners.
3. Check orifices. Drilled passageways must be free of
lint or dirt.
4. Vacuum tip of Pilot Burner.
3. Disconnect blower connection from wiring harness
in vestibule.
5. Clean firebox by vacuuming. Exercise care not to
disturb insulation inside base.
4. Remove bolts securing canopy to boiler sections.
Cut silastic sealant around base of canopy, pry
canopy from boiler sections and remove canopy/
blower assembly from boiler.
6. Install burners by reversing procedure used to
remove burners. Burner with pilot assembly must be
in same location as original installation. See Table 7.
Burners must be properly located on support bracket
5. Using flashlight, examine all flue passageways.
21
Table 7: Pilot Burner Location
Pilot Burner Located
Between Main
Burners *
Boiler
M o d e l
Main Burner with
60° Pilot Bracket *
2 0 3 P V
2 0 4 P V
2 0 5 P V
2 0 6 P V
1
2
3
4
1 & 2
2 & 3
3 & 4
4 & 5
* Main burners numbered left to right as viewed from
front of boiler.
at rear of burner. See Figure 11. Slide burner
over orifice.
7. Reconnect pilot gas supply, igniter/sensor
cable, and ground wire. Reinstall Burner
Access Panel. Reconnect Flame Rollout
Switch wires.
Figure 18: Spark Gap Setting
G. Check operation. Follow Paragraphs D through
O from Section VII: System Start-up.
H. Removal or replacement of pilot assembly or
pilot assembly parts. If pilot assembly, sensor or
pilot orifice need replacing, remove main burner
with pilot using procedure described in
Paragraph F.1.
1. To replace orifice.
a. Disconnect pilot tubing. Pilot orifices
screw into Pilot Burner. Replace with
Honeywell 388146NE (Natural Gas) or
Honeywell 388146KP (LP/Propane).
b. Reconnect pilot tubing and check for
leaks.
2. To adjust or check spark gap between
electrode and hood on Honeywell Q348A
intermittent pilot. See Figure 18.
a. Use round wire gauge to check spark
gap.
b. Spark gap should be 1/8 inch for optimum
performance.
3. To replace complete pilot assembly.
a. Remove two machine screws holding
pilot burner to pilot bracket.
b. Disconnect pilot tubing.
c. Disconnect all other leads to pilot.
d. Select pilot assembly with identical model
number, reconnect leads and pilot tubing.
Resecure to pilot bracket.
4. Reinstall main burner following procedure
described in Paragraph F.
Figure 19: Flueway Cleaning
22
Table 8: Minimum Suction Pressure
Boiler Model Minimum Suction Pressure
203PV
204PV
205PV
206PV
-0.50 inches w.c.
-0.50 inches w.c.
-0.80 inches w.c.
-0.80 inches w.c.
I. Lubrication. There are no parts requiring lubrication by
service technician or owner. Circulator bearings are
water lubricated. Blower motor bearings are factory
sealed.
Figure 20: Procedure for Measuring Fan Suction
Pressure
23
IX.RepairParts
All Series 2PV Repair Parts may be obtained through your local Burnham Wholesale distributor. Should you require assistance
in locating a Burnham distributor in your area, or have questions regarding the availability of Burnham products or repair parts,
please contact your Burnham Regional Sales Office as listed below.
Burnham Corporation Regional Offices
A. Burnham Corporation - Central & Western Regions C. Burnham Corporation - Metropolitan Region
P.O. Box 3079
P.O. Box 3079
Lancaster, PA 17604-3079
Phone: (717) 481-8400
FAX: (717) 481-8408
Lancaster, PA 17604-3079
Phone: (717) 481-8400
FAX: (717) 481-8409
B. Burnham Sales Corporation - Northeast Region
19-27 Mystic Avenue
D. Burnham Corporation - Mid-Atlantic Region
P.O. Box 3079
Somerville, MA 02145
Lancaster, PA 17604-3079
Phone: (617) 625-9735
Phone: (717) 481-8400
FAX: (617) 625-9736
FAX: (717) 481-8409
Contact Regional Office Indicated for your State
Alabama
Alaska
A Nebraska
A Oregon
A
A Nevada
A Pennsylvania
B Rhode Island
South Carolina
South Dakota
Tennessee
D
B
A
A
A
A
A
B
Arizona
A New Hampshire
A New Jersey
Arkansas
California
Colorado
Connecticut
Delaware
Florida
A
A
B
D
A
A
Atlantic, Burlington, Camden,
Cape May, Cumberland,
Gloucester, Mercer,
Monmouth, Ocean, Salem
Counties
D
Texas
Utah
Vermont
C Virginia
Georgia
Hawaii
All other Counties
A New Mexico
A New York
A
Arlington,Accomack,Clarke,
Idaho
Fairfax,Frederick,Fauquier,
Loudoun,Northampton and
Prince William Counties
All other Counties
D
Illinois
A
A
A
A
A
Albany, Fulton, Montgomery,
Rensselaer, Saratoga,
Indiana
B
Iowa
Schenectady, Schoharie,
Warren, Washington Counties
All Other Counties
A
A
D
D
A
A
Kansas
Washington
Kentucky
Louisiana
Maine
C Washington, D.C.
A West Virginia
A Wisconsin
A North Carolina
B North Dakota
D Ohio
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Wyoming
B
A
A
A
A
Athens, Belmont, Gallia,
Jefferson, Lawrence, Meigs,
Monroe, and Washington
Counties
D
A
All other Counties
A Oklahoma
A Canada
A
24
[Quantity] Part Number
204PV 205PV
Key
No.
Description
203PV
206PV
1. Section Assembly
617170321 617170421 617170521 617170621
2. Canopy/Blower Assembly
[1]
[1]
[1]
[1]
2A Canopy
61117034
61117044 61117054
[2] Common Hardware
[10] Common Hardware
[2] Common Hardware
61117064
2B Carriage Bolt, ¼-20 x 1"
2C Washer, ¼, SAE
2D Nut,¼-20, Heavy Hex
2E Blower Mounting Gasket [Included in Key No. 2F]
2F Blower
[1] 8206048
[1] 8206049
[1] 6111714
[2] 8206042
[1] 6111715
[2] 8206035
2G Orifice Plate Gasket [(2) Included in Key No. 2F]
[1]
71117035
[1]
[1]
[1]
2H Orifice Plate
71117045 71117055
71117065
2J Pressure Fitting, Dwyer A308
2K Hex Nut, 1/4-20, Brass [(4) Included in Key No. 2F]
2L Hex Locknut, ¼-20
[1] 822657
[4] 80860424
[4] Common Hardware
25
[Quantity] Part Number
204PV 205PV
Key
No.
Description
203PV
206PV
3. Base Assembly Group
3
Base Assembly, Complete
[1] 618600391 [1] 618600491 [1] 618600591 [1] 618600691
[1] 718600391 [1] 718600491 [1] 718600591 [1] 718600691
[1] 718600311 [1] 718600411 [1] 718600511 [1] 718600611
3A Base Tray Assembly
3B Base Wrapper
3B1 Base End Insulation
3B2 Base Rear Insulation
3C Base Front Panel Assembly
3D Burner Tray
[2] 720601
[1] 72060035 [1] 72060045 [1] 72060055 [1] 72060065
[1] 618600341 [1] 618600441 [1] 618600541 [1] 618600641
[1] 718600305 [1] 718600405 [1] 718600505 [1] 718600605
3E Base Leg Assembly
3E1 Base Leg
[4] 6186001
[4] 71860021
3E2 Nylon Glide
8186006
3F Burner Access Panel
3G Jacket Attachment Bracket, Left
3H Jacket Attachment Bracket, Right
[1] 718600361 [1] 718600461 [1] 718600561 [1] 718600661
[1] 70460011
[1] 70460012
Cerafelt Gasket, ½" x 2"
3J
[1] 6206002
Johns-Mansville CRF-400
Screw, Self-Tapping Type F, Phillips Pan
Head, ¼-20 x ½", Plated
3K
[20] 80860700
3L Screw, Self Tapping, 5/16"-18 x 1¼"
3M Flat Washer, 5/16"
[4] 80860717
[4] Common Hardware
[4] 80860464
3N Hex Lock Nut, 5/16"-18
3P Screw, Sheet Metal, Phillips Head, #8 x ½"
[2] Common Hardware
26
[Quantity] Part Number
Key No.
Description
203PV
204PV
205PV
206PV
4. Manifold and Main Burners
4A
4B
4C
Main Burner
[2] 8236099
[4] 8236099
[6] 8236099
[8] 8236099
Main Burner with 60° Pilot Bracket
Manifold
[1] 8236098
[1] 82260033 [1] 82260043 [1] 82260053 [1] 82260063
Main Burner Orifice, #44, Orange
Main Burner Orifice, #45, Pink
[3] 822712
-----
-----
-----
-----
4D (Natural
Gas Only)
[5] 822711
[7] 822711
[9] 822711
4D
Main Burner Orifice, #55, Green
[3] 822708
-----
-----
-----
-----
(LP/Propane
Only)
Main Burner Orifice, 1.25mm, Purple
Screw, Machine, #10-32 x 3/16"
[5] 822705
[7] 822705
[9] 822705
4E
4F
[2] 80860800
[4] 80860700
Screw, Self-Tapping Type F, Phillips Pan
Head, 1/4-20 x 1/2", Plated
27
[Quantity] Part Number
204PV 205PV
Key
No.
Description
203PV
206PV
5. Pilot Burner and Gas Valve
P i l o t A s s e m b l y , N a t u r a l G a s , H o n e y w e l l Q 3 4 8 A 1 3 3 3
[1] 8236104
5A
Pilot Assembly, LP Gas, Honeywell Q348A1341
[1] 8236107
Pilot Orifice, Natural Gas Honeywell 388146NE
5B
Included with Key No.5A
Pilot Orifice, LP/Propane Honeywell 388146KP
5C
5D
Compression Nut/Fitting, 1/8" OD x ¼ NPT
Pilot Tubing, 1/8" OD x 30"
Included with Key No.5A and 5E
[1] 8236110
G a s V a l v e , ½ x ½ , N a t u r a l G a s , H o n e y w e l l V R 8 2 0 4 C 6 0 0 0
[1] 81660176
5E
G a s V a l v e , ½ x ½ , L P / P r o p a n e , H o n e y w e l l V R 8 2 0 4 C 6 0 1 8
[1] 81660180
5F
Igniter/Sensor Cable, 36", Honeywell 394800-36
Ground Wire Assembly
[1] 8236084
[1] 6136054
5G
28
[Quantity] Part Number
Key
No.
Description
203PV
204PV
205PV
206PV
6. Jacket
6A
6B
6C
6D
6E
6F
6G
6H
6J
Jacket Wrap-A-Round Panel (1)
[1] 604170312
[1] 6041703221
[1] 6041703222
[1] 604170334
[1] 604170344
[1] 604170313
[1] 604170412
[1] 6041704221
[1] 6041704222
[1] 604170434
[1] 604170444
[1] 604170413
[1] 604170512
[1] 6041705221
[1] 6041705222
[1] 604170534
[1] 604170544
[1] 604170513
[1] 604170612
[1] 6041706221
[1] 6041706222
[1] 604170634
[1] 604170644
[1] 604170613
Jacket Upper Vestibule Panel (1)
Jacket Lower Vestibule Panel
Jacket Top Panel (1) (2)
Jacket Front Removable Door
Jacket Lower Front Panel
Screw, Sheet Metal, #8 x ½"
Snap Bushing, Heyco SB-1093-15
Snap Bushing, Heyco SB-2000-26
Snap Bushing, Heyco SB-437-5
Burnham Logo Plate
[20] Common Hardware
[2] 8136257
[1] 8136266
[1] 8136048
[1] 81460107
6K
6L
(1) For boilers installed in Canada, indicate 'For Canada' when ordering.
(2) For boilers installed in California, indicate 'For California' when ordering.
29
30
[Quantity] Part Number
204PV 205PV
Key No. Description
203PV
206PV
7. Miscellaneous Trim and Controls
Safety Relief Valve, 30 psi, ¾ NPT,
7A
[1] 81660319
Conbraco 10-408-05
7B
Limit, Honeywell L4080D1036
Immersion Well, ½ NPT
[1] 80160156
7 B 1
Included with 7B
Immersion Well, ¾ NPT, Honeywell 123870A
(Dual Limit Only)
7 B 2
[1] 80160426
7 B 3
7C
Limit Honeywell L4080B1212 (Dual Limit Only)
Transformer/Relay, Honeywell R8285D5001
Relay, DPST, Honeywell R8222U1006
Junction Box, 4" x 4" x 1½"
[1] 80160474
[ 1 ] 8 0 1 6 0 1 5 5 U
[ 1 ] 8 0 1 6 0 0 9 6 U
[1] 8136259
7 C 1
7 C 2
7D
Flame Rollout Switch
[1] 80160044
[1] 7186018
7 D 1
7E
Flame Rollout Switch Bracket
Suction Pressure Switch
[1] 80160180
[1] 80160181
Silicone Tubing, 1/8" x 11"
Silicone Tubing, 1/8" x 12½"
7 E 1
9016001 (Specify Length)
Silicone Tubing, 1/8" x 13-5/8"
Silicone Tubing, 1/8" x 15¼"
7F
Ignition Module, Honeywell S8670E1007
Temperature-Pressure Gauge
[1] 80160108
[1] 8056164U
7G
Circulator with Gaskets, Bell & Gossett NFR-22
Circulator with Gaskets, Grundfos UP15-42F
Circulator with Gaskets, Taco 007F
Circulator with Gaskets, Taco 0010
Gasket, Bell & Gossett NFR-22 (SLC-30)
Gasket, Grundfos 510179
[1] 8056174
[1] 8056173
7H
[1] 8056170
[1] 8056176
[ 2 ] 8 0 6 6 0 2 0 2 9
[ 2 ] 8 0 6 6 0 2 0 1 6
[ 2 ] 8 0 6 6 0 2 0 0 6
[ 2 ] 8 0 6 6 0 2 0 1 3
[4] Common Hardware
[4] Common Hardware
[1] 806603011
7 H 1
Gasket, Taco '00' Series
7J
7 J 1
7 J 2
7K
F l a n g e , 1 ¼ N P T
Screw, Cap Hex Head, 7/16-14 x 1½"
Nut, Hex, 7/16-14
Drain Valve, ¾ NPT, Conbraco 31-606-02
[Quantity] Part Number
Key No.
Description
203PV
204PV
205PV
206PV
8. Vent Accessory Carton
611170322
611170522
8A
8B
8C
Vent Connector
Vent Terminal
Locking Band
[1] 8116102
[1] 8116103
[1] 8116063
[1] 8116101
Silicone Sealant, 3 oz. tube, Dow
Corning Silastic 732 RTV, or Sil-Bond
RTV 4500 (Acetoxy)
8D
[1] 8056052
31
32
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