Munchkin pmn User manual

User
Manual

1
GAS-FIRED BOILER User Manual
TABLE OF CONTENTS
Product and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,3
Service and Maintenance
Munchkin Operation
Primary Water
Section I – Combustion Air – Prevention of Contamination. . . . . . . . . . . . . . . . . . . . . . . . 4
Potential Contaminating Products
Areas likely to find these Products
Section II – Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5
Service Technician
Owner Maintenance
Section III – Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Daily Maintenance
Monthly Maintenance
6 Month Maintenance
Section IV – Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12

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GAS-FIRED BOILER User Manual
PRODUCT AND SAFETY INFORMATION
DANGER
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury.
WARNING
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
CAUTION
CAUTION Indicates a potentially hazardous
situation which, if not avoided, may result in
minor or moderate injury.
CAUTION
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which,
if not avoided, may result in property damage.
DEFINITIONS
NOTICE
Heat Transfer Products, Inc., reserves the right to make product changes or updates without notice
and will not be held liable for typographical errors in literature.
WARNING
If the information in this manual is not followed exactly, a fire or explo-
sion may result causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch: do not use any phone in
your building.
• Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
SPECIAL ATTENTION BOXES
The following defined terms are used throughout this manual to bring attention to the presence of
hazards of various risk levels or to important information concerning the product.

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GAS-FIRED BOILER User Manual
WARNING
User — Have this boiler serviced/inspected by
a qualified service technician annually.
WARNING
Failure to adhere to the guidelines on this page
can result in severe personal injury, death or
substantial property damage.
WARNING
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas suppliers'
instructions.
• If you cannot reach your gas supplier, call the
fire department.
BOILER OPERATION
• Do not block flow of combustion or
ventilation air to boiler.
• Should overheating occur or gas supply fail
to shut off, do not turn off or disconnect
electrical supply to circulator. Instead, shut off
the gas supply at a location external to the
appliance.
• Do not use this boiler if any part has been
under water. Immediately call a qualified
service technician to inspect the boiler and to
replace any part of the control system and
any gas control that has been under water.
PRODUCT AND SAFETY INFORMATION
(CONT’D)
PRIMARY WATER
• If you have an old system with cast iron
radiators, thoroughly flush the system
(without boiler connected) to remove
sediment. The high-efficiency heat exchanger
can be damaged by build-up or corrosion
due to sediment.
• Do not use petroleum-based cleaning or
sealing compounds in boiler system. Gaskets
and seals in the system may be damaged.
This can result in substantial property
damage.
• Do not use “homemade cures” or “boiler
patent medicines.” Substantial property
damage, damage to boiler, and/or serious
personal injury may result.
• Continual fresh make-up water will reduce
boiler life. Mineral buildup in heat exchanger
reduces heat transfer, overheats the stainless
steel heat exchanger, and causes failure.
Addition of oxygen carried in by make-up
water can cause internal corrosion in system
components. Leaks in boiler or piping must
be repaired at once to prevent make-up
water.
FREEZE PROTECTION FLUIDS
CAUTION
NEVER use automotive or standard glycol
antifreeze, even ethylene glycol made for
hydronic systems. Use only inhibited propylene
glycol solutions, which are specifically
formulated for hydronic systems. Ethylene
glycol is toxic and can attack gaskets and seals
used in hydronic systems.

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GAS-FIRED BOILER User Manual
SECTION I – COMBUSTION AIR – PREVENTION OF CONTAMINATION
AREAS LIKELY TO FIND THESE PRODUCTS
WARNING
If the Munchkin combustion air inlet is located
in any area likely to cause or contain
contamination, or if products, which would
contaminate the air cannot be removed, the
combustion air must be re-piped and
terminated to another location. Contaminated
combustion air will damage the unit and its
burner system, resulting in possible severe
personal injury, death or substantial property
damage.
WARNING
Do not operate a Munchkin unit if its
combustion air inlet or the unit is located in or
near a laundry room or pool facility. These areas
will always contain hazardous contaminates.
Pool and laundry products and common
household and hobby products often contain
fluorine or chlorine compounds. When these
chemicals pass through the burner and vent
system, they can form strong acids. These acids
can create corrosion of the heat exchanger,
burner components and vent system, causing
serious damage and presenting a possible
threat of flue gas spillage or water leakage into
the surrounding area.
Products to avoid
Spray cans containing fluorocarbons
Permanent wave solutions
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning
solvents found in household laundry rooms
Adhesives used to fasten building products and
other similar products
Areas likely to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
Remodeling areas
Garages and workshops
SECTION II – MAINTENANCE SCHEDULE
SERVICE TECHNICIAN
On an annual basis the following maintenance
should be performed by a qualified service tech-
nician:
General
• Attend to any reported problems.
• Inspect the interior of the boiler jacket area;
clean and vacuum if necessary.
• Clean the condensate trap and fill with fresh
water.
• Check for leaks: water, gas, flue and
condensate.
• Verify flue vent piping and air inlet piping are
in good condition and sealed tight.
• Check boiler water pressure, piping and
expansion tank.
• Check control settings.
• Check ignition electrode (use Scotch Brite Pad
and sand off any white oxide; clean and
reposition).
• Check ignition wiring and ground wiring.
• Check all control wiring and connections.
• Check burner flame pattern (stable and
uniform) and flame.
Additional items if combustion or
performance is poor:
• Clean heat exchanger and flue ways.
• Remove burner assembly and clean burner

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GAS-FIRED BOILER User Manual
SECTION II – MAINTENANCE SCHEDULE
(CONT’D)
head using compressed air only.
Once the maintenance items are completed,
review the service with the owner.
OWNER MAINTENANCE
Periodically:
• Check the area around the unit.
• Check and remove any blockage from the
combustion air inlet and ventilation openings.
• Check the temperature/pressure gauge
Monthly:
• Check vent piping.
• Check combustion air inlet piping.
• Check the pressure relief valve.
• Check the condensate drain system.
Every 6 months:
• Check boiler piping and gas supply piping for
corrosion or potential signs of leakage.
WARNING
Follow the maintenance procedures given
throughout this manual. Failure to perform the
service and maintenance or follow the
directions in this manual could result in damage
to the Munchkin or in system components,
resulting in severe personal injury, death or
substantial property damage.
SECTION III – MAINTENANCE PROCEDURES
1. Combustible / flammable materials - Do not
store combustible materials, gasoline or
other flammable vapors or liquids near the
unit. Remove immediately if found.
2. Air contaminates - Products containing
chlorine or fluorine, if allowed to contaminate
the combustion air, will cause acidic
condensate within the unit. This will cause
significant damage to the unit. Read the list of
potential materials listed in Section I of this
manual. If any of these products are in the
room where the boiler is located, they must
WARNING
The Munchkin must be inspected and serviced
annually, preferably at the start of the heating
season, by a qualified service technician. In
addition, the maintenance and care of the boiler
as outlined on page 3 and further explained on
pages 4 through 6 must be performed to assure
maximum efficiency and reliability of the unit.
Failure to service and maintain the Munchkin
and the system components could result in
equipment failure, causing possible severe
personal injury, death or substantial property
damage.
NOTICE
The following information provides detailed
instruction for completing the maintenance
items outlined in the maintenance schedule in
Section II. In addition to this maintenance, the
Munchkin should be serviced at the beginning
of the heating season by a qualified service
technician.
WARNING
To prevent potential of severe personal injury,
death or substantial property damage, eliminate
all the materials listed in Section I from the area
surrounding the unit and from the vicinity of the
combustion air inlet. If contaminates are found:
Remove products immediately from the area. If
they have been there for an extended period,
call a qualified service technician to inspect the
unit for possible damage from acid corrosion.
If products cannot be removed, immediately call
a qualified service technician to re-pipe the
combustion air inlet piping and locate the
combustion air intake away from the
contaminated areas.
DAILY MAINTENANCE
Check the surrounding area

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GAS-FIRED BOILER User Manual
SECTION III – MAINTENANCE PROCEDURES
(CONT’D)
be removed immediately or the combustion
air intake must be relocated to another area.
Check Combustion Air Inlets
Verify that the unit’s vent termination and
combustion air intake are clean and free of
obstructions. Remove any debris on the air
intake or flue exhaust openings. If removing
the debris does not allow the unit to operate
correctly, contact your qualified service
technician to inspect the unit and the vent /
combustion air system.
Check Temperature display and Pressure
Gauge
1. Ensure the pressure reading on the pressure
gauge does not exceed 25 psig. Higher
pressure readings may indicate a problem
with the expansion tank.
2. Ensure the temperature on the LED display
panel does not exceed 180ºF. Higher
temperature readings may indicate a
problem with the operating thermostat
controls.
3. Contact a qualified service technician if
problem persists.
MONTHLY MAINTENANCE
Check Vent Piping
1. Visually inspect the flue gas vent piping for
any signs of blockage, leakage or
deterioration of the piping. Notify a qualified
service technician immediately if any
problems are found.
Check Intake Air Vent Piping
1. Visually inspect the intake air vent piping for
any signs of blockage. Inspect the entire
length of the intake air vent piping to ensure
piping is intact and all joints are properly
sealed.
2. Notify a qualified service technician if any
problems are found.
Check Pressure Relief Valve
1. Visually inspect the primary pressure relief
valve and the relief valve discharge pipe for
signs of weeping or leakage.
2. If the pressure relief valve often weeps, the
expansion tank may not be operating
properly. Immediately contact a qualified
service technician to inspect the unit and
system.
Check Vent Condensate Drain System
1. While the unit is running, check the discharge
end of the condensate drain tubing. Ensure
no flue gas is leaking from the condensate
drain tubing or tee connection by holding
your fingers near the opening.
2. If you notice flue gas leaking from the
opening, this indicates a dry condensate
drain trap. Fill the condensate trap assembly.
Contact a qualified service technician to
inspect the unit and condensate line and refill
the condensate trap if problem persists
regularly.
3. The Service Technician must ensure the
condensate drain line is not blocked by
pouring water through the plug T fitting on
the condensate drain assembly. The water
should flow out of the end of the drain line. If
water does not appear at the end of the drain
line, the qualified service technician must
clean the condensate line.
4. To fill the condensate drain assembly. Slowly
pour water into the T fitting on the assembly
until water appears at the end of the drain
line.
WARNING
Failure to inspect the venting system as noted
and have it repaired by a qualified service
technician can result in the vent system failure,
causing severe personal injury or death.
WARNING
You must make sure the condensate hose is
securely fastened before restarting boiler. Do a
final check to assure proper flow.

7
GAS-FIRED BOILER User Manual
valve does not weep after the line has had
time to drain. If the valve weeps, lift the lever
again to attempt to clean the valve seat. If the
valve does not properly seat and continues to
weep afterwards, contact a qualified service
technician to inspect the valve and system.
4. If the water does not flow from the valve
when you lift the lever completely, the valve
or discharge line may be blocked.
Immediately shut the unit down per
instructions on page 8 and call a qualified
service technician to inspect the valve and
system.
6-MONTH MAINTENANCE
Check primary and gas piping
1. Remove the boiler cover and perform a gas
leak inspection following Operating
Instructions in Section IV. If gas odor or leak
is detected, immediately shut down the unit
following procedures on page 8. Call a
qualified service technician.
2. Visually inspect for leaks around the internal
boiler water connections and around the heat
exchanger. Visually inspect the external
system piping, circulators, and system
components and fittings. Immediately call a
qualified service technician to repair any
leaks.
Operate Pressure Relief Valve
1. Before proceeding, verify that the relief valve
outlet has been piped to a safe place of
discharge, avoiding any possibility of
scalding from hot water.
2. Read the temperature and pressure gauge to
ensure the system is pressurized. Min. is 10
PSI and Max is 25 PSI. Lift the relief valve top
lever slightly, allowing water to relieve
through the valve and discharge piping.
3. If water flows freely, release the lever and
allow the valve to seat. Watch the end of the
relief valve discharge pipe to ensure that the
SECTION III – MAINTENANCE PROCEDURES
(CONT’D)
WARNING
Have leaks fixed at once by a qualified service
technician. Failure to comply could result in
severe personal injury, death or substantial
property damage.
WARNING
To avoid water damage or scalding due to valve
operation, a discharge line must be connected
to the relief valve outlet and directed to a safe
place of disposal. This discharge line must be
installed by a qualified service technician or
heating/plumbing installer in accordance with
the Munchkin installation manual. The
discharge line must be terminated so as to
eliminate possibility of severe burns or property
damage should the valve discharges.

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GAS-FIRED BOILER User Manual
SECTION IV – OPERATIONS INSTRUCTIONS
.FOR YOUR SAFETY READ BEFORE OPERATING.
.OPERATING INSTRUCTIONS.
.TO TURN OFF GAS TO APPLIANCE.
WARNING: If you do not follow these instructions exactly, a fire or explosion
may result, causing property damage, personal injury or loss of life.
A. This appliance does not have a pilot. It is
equipped with an ignition device which
automatically lights the burner. Do not try to
light the burner by hand.
B. BEFORE OPERATING smell all around the
appliance area for gas. Be sure to smell next
to the floor because some gas is heavier than
air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance
• Do not touch any electric switch; do not
use any phone in your building
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas
suppliers’ instructions.
• If you cannot reach your gas supplier, call
the fire department.
C. Use only your hand to turn the gas control
knob. Never use tools. If the handle will not
turn by hand, don’t try to repair it, call a
qualified service technician. Force or
attempted repair may result in a fire or
explosion.
D. Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect the
appliance and to replace any part of the
control system and any gas control which
has been under water.
1. STOP! Read the safety
information above.
2. Set the thermostat to
lowest setting.
3. Turn off all electric power
to the appliance.
4. This appliance is
equipped with an ignition
device which
automatically lights the
burner. Do not try to light
the burner by hand.
5. Remove front cover.
6. Turn gas shutoff valve to
“off”. Handle will be
vertical, do not force.
7. Wait five (5) minutes to
clear out any gas. If you
then smell gas, STOP!
Follow “B” in the safety
information above on this
label. If you don’t smell
gas, go to next step.
8. Turn gas shutoff valve
counterclockwise to “on”.
Handle will be horizontal.
9. Install Front Cover.
10. Turn on all electric power
to appliance.
11. Set thermostat to desired
setting.
12. If the appliance will not
operate, follow the
instructions “To Turn Off
Gas To Appliance” and
call your service
technician or gas
supplier.
1. Set the thermostat to lowest setting.
3. Turn off all electric power to the appliance if
service is to be performed.
3. Remove front cover.
4. Turn gas shutoff valve clockwise to “off”.
Handle will be vertical. Do not force
5. Install Front Cover.
GAS SHUT OFF VALVE
GAS
VALVE
GAS VALVE SHUT OFF
MAIN GAS VALVE

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GAS-FIRED BOILER User Manual
REPLACEMENT PARTS
Item
#Description Part # Item #Description Part #
1 Thermodisc Flue ECO 210 F 7250P-089 22 Nut M5 (Aluminum Elbow to Air Channel) 7250P-063
2 Steel Push Retainer (Thermodisc Flue ECO) 7250P-151 23 Gasket (Flame Rec./Spark Electrode) 7250P-005
3 PVC Black Tubing 1/8 ID (Thermodisc Flue ECO) 7250P-311 24 Spark Electrode (w/Gasket) 7250P-421 (T50M)
4 Relief Valve 7250P-080 7250P-058 (T80M)
5 Thermistor 7250P-059 25 Screws M4 x 8MM (Probe/Electrode) 7250P-005
6 Water Pressure Switch 7250P-081 26 Flame Rectification Probe (w/Gasket) 7250P-049
7 ECO High Limit Sensor 7250P-019 27 Screws Torx M5 X 22MM 7250P-206
8 Aluminum Elbow 7250P-445 28 Air Channel 7250P-692
9 Screws M5 X 25MM (Aluminum Elbow to Air Channel) 7250P-061 29 Gasket (Burner Door to Air Channel) 7250P-170
10 Gasket (Aluminum Elbow to Air Channel) 7250P-003 30 Nuts M6 (Burner Door) 7500P-067
11 Gasket (Aluminum Elbow to Combustion Blower) 7250P-144 31 Burner Door 7250P-691
12 Combustion Blower 7250P-084 32 Burner Door Ceramic Refractory 7250P-702
13 Gas Valve Adapter Plate (w/Screws) 7250P-644 33 Gasket (Burner) 7250P-070
14 Screws M5 x 12MM (Gas Valve Adapter Plate) 7250P-484 34 Burner 7250P-216 (T50M)
15 Swirl Plate 7500P-091 (T50M) 7250P-248 (T80M)
7250P-092 (T80M) 35 Screws (Burner) 7250P-204
16 Dungs Gas Valve 7250P-448 (T50M) 36 Screw M4 x 8MM (Ceramic Target Wall) 7250P-704
7250P-449 (T80M) 37 Washer M4 (Ceramic Target Wall) 7500P-109
17 Gas Piping Assembly (w/Shut-off Valve, Screws) N/A 38 Ceramic Target Wall 7250P-160
18 Screws M4 x 12MM (Gas Valve Piping Assy) 7500P-099 39 Brass 90 Street Elbow 3/4 NPT 7250P-212
19 O-Ring (Gas Valve Piping Assy) 7500P-094 40 Brass Nipple 3/4 NPT x 3" SN1018
20 Screws M4 x 12MM (Gas Valve) 7500P-099 41 Brass 90 Elbow 3/4 NPT 7250P-313
21 Screw M4 x 20MM (Combustion Blower) 7250P-060 42 Gasket (Top Flue Exhaust to Module) 7250P-428
43 Top Flue Exhaust 7250P-394
8
52
3
6
7
42
41
40
39
4
38
1
36
35
34
33
32
31
30
29
28
27
23
26
25
23
24
25
22
37
9
10
11
12
21
13
14
15
16
20
19
17
18
5
43
T50M/T80M
T50M/T80M
REPLACEMENT PARTS

10
GAS-FIRED BOILER User Manual
REPLACEMENT PARTS
Item
#Description Part # Item #Description Part #
1 Exhaust Vent Pipe - 2" PVC N/A 15 Screws # 8 x 1/2" (Electrical Box) 7250P-133
2 Pipe Coupling F3001 16 Hose Barb 1/4 x 10-32 (Blocked Vent Pressure Switch) 7250P-154
3 Exhaust Manifold Tube 7250P-444 17 O-Ring 007 (Blocked Vent Pressure Switch) 7250P-152
4 Air Inlet Baffle 7250P-145 18 S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch) 7250P-153
5 Plastic Tubing 3/16" ID (Blocked Vent Pressure Switch) 7250P-378 19 Fuse (Control Board) 7250P-378
6 Control Board Display (w/Ribbon Cable) 7250P-332 20 S.S. Hex Nuts 7250P-559
7 Blocked Vent Pressure Switch 7250P-150 21 Gasket (Top Flue Exhaust Pipe) 7250P-427
8 Screws # 8 x 1/2" (Blocked Vent Pressure Switch) 7250P-133 22 Poly Plug 3/4 NPT (Condensate Assy) 7250P-647
9 Cover N/A 23 Screw # 8 x 1/2" (Condensate Assy) 7250P-133
10 Brass Nipple 1 x 1-1/4 x 3-3/4" 7250P-221 24 PVC Nipple Sch. 80 3/4 NPT (Condensate Assy) 7250P-648
11 Control Board (w/Fuse) 7250P-317 25 Cable Clamp (Condensate Assy) 7250P-649
12 Control Board Hold Down Clips 7250P-352 26 PVC Tee Sch. 40 3/4 NPT (Condensate Assy) 7250P-646
13 Control Board Mounting Panel (w/Screws) 7250P-651 27 Condensate Hose Assy 7250P-482
14 Electrical Box (w/Screws, Covers) 7250P-114 28 Spring Clamp (Condensate Assy) 7250P-302
27
10
1
2
3
4
67
8
28
SWITCH
14
15
BOILER
OUTLET
18
17
16
11
12
19
21
20
913
22
23
25
24
26
CONDENSATE
5
T50M/T80M
T50M/T80M
REPLACEMENT PARTS (CONTINUED)

11
GAS-FIRED BOILER User Manual
REPLACEMENT PARTS (CONTINUED)
REPLACEMENT PARTS
Item # Description Part # Item # Description Part #
1 Thermistor 7250P-667 18 Air/Gas Channel 7250P-685 (80M)
2 Thermodisc Flue ECO 210 F 7250P-089 7250P-687 (140M/199M)
3 Steel Push Retainer (Thermodisc Flue ECO) 7250P-151 19 Gasket (Flame Rec./Spark Electrode) 7250P-005
4 PVC Black Tubing 1/8 ID (Thermodisc Flue ECO) 7250P-311 20 Spark Electrode (w/Gasket) 7500P-040
5 Water Pressure Switch 7250P-096 21 Screws M4 x 8MM (Probe/Electrode) 7250P-069
6 Eco/High Limit Sensor 7250P-019 22 Flame Rectification Probe (w/Gasket) 7500P-039
7 Dungs Gas Valve 7250P-450 (80M) 23 Screws Torx M5 x 22M (Air/Gas Channel to Burner Door) 7250P-206
7250P-451 (140M) 24 Gasket (Air/Gas Channel to Burner) 7500P-074
7250P-452 (199M) 25 NIT Burner 7500P-016 (80M)
8 Screws M4 x 12MM (Gas Valve) 7500P-099 7250P-102 (140M)
9 Swirl Plate 7500P-092 (80M) 7250P-117 (199M)
7500P-093 (140M/199M) 26 Nut M6 (Burner Door) 7500P-067
10 Gas Valve Adapter Plate (w/Screws) 7250P-644 27 Burner Door 7250P-684
11 Screws M5 x 12MM (Gas Valve Adapter Plate) 7250P-484 28 Burner Door Ceramic Refractory 7250P-702
12 Relief Valve 7250P-080 29 Screw M4 x 8MM (Ceramic Target Wall) 7250P-704
13 Brass Nipple 3/4 NPT x 3" SN1018 30 Washer M4 (Ceramic Target Wall) 7500P-109
14 Brass 90 Elbow - 3/4 NPT 7250P-313 31 Ceramic Target Wall 7250P-160
15 Combustion Blower (w/Gasket) 7250P-084 (80M) 32 Screws M4 x 30MM Allen Head (Gas Piping Assy) N/A
7250P-086 (140M) 33 Screws M4 x 12MM Allen Head (Gas Piping Assy) N/A
7250P-087 (199M) 34 Gas Piping Assembly (w/Shut-off Valve, Screws) 7250P-705
16 Screws M5 x 14MM (Combustion Blower) 7250P-478 35 Welded Module 7250P-298 (80M)
17 Gasket (Air/Gas Channel to Combustion Blower) 7500P-075 7250P-299 (140M)
7250P-300 (199M)
21
23
13
22
16
1
23
4
5
1
678
910
11
34
33
32
31
30
29
28
27
26
25 24
19
12
15
14
17
18
19
20
35
80M/140M/199M

12
GAS-FIRED BOILER User Manual
REPLACEMENT PARTS (CONTINUED)
REPLACEMENT PARTS
Item
#Description Part # Item #Description Part #
1 Blocked Vent Pressure Switch 7250P-150 16 Cabinet Latch and Gasket Kit (w/Screws) 7250P-668 (80M)
2 Screws # 8 x 1/2" (Blocked Vent Pressure Switch) 7250P-133 7250P-669 (140M/199M)
3 Low Voltage Wiring Harness (location) 7250P-700 17 Leveling Foot 7250P-673
4 9 Pin Wiring Harness (location) 7250P-697 18 Condensate Hose Assy 7250P-082
5 5 Pin Wiring Harness (location) 7250P-696 19 PVC Nipple Sch. 80 3/4 NPT (Condensate Assy) 7250P-648
6 Control Board Mounting Panel (w/Screws) 7250P-651 20 Spring Clamp (Condensate Assy) 7250P-302
7 Screw 1/4-20 x 1/2" (Control Board Mounting Panel) 7250P-184 21 PVC Tee Sch. 40 3/4 NPT (Condensate Assy) 7250P-646
8 Control Board Hold Down Clips 7250P-352 22 Cable Clamp (Condensate Assy) 7250P-649
9 Control Board (w/Fuse) 7250P-317 23 Screw # 8 x 1/2 Self Tapping (Condensate Assy) 7250P-133
10 Fuse (Control Board) 7250P-378 24 Poly Plug 3/4 NPT (Condensate Assy) 7250P-647
11 Control Board Display (w/Ribbon Cable) 7250P-332 25 Band Clamp (Exhaust Assy) CA2000
12 Electrical Box (w/Screws) 7250P-707 26 PVC Pipe Sch. 40 3" (Exhaust Assy) 7250P-242
13 Screws # 8 x 1/2" Self Tapping (Electrical Box) 7250P-133 27 S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch) 7250P-153
14 Brass Nipple 1 x 1-1/4 x 3-3/4" 7250P-221 28 O-Ring 007 (Blocked Vent Pressure Switch) 7250P-152
15 Cabinet Cover 7250P-235 (80M) 29 Hose Barb 1/4 x 10-32 (Blocked Vent Pressure Switch) 7250P-154
7250P-231 (140M/199M) 30 Plastic Tubing 3/16" ID (Blocked Vent Pressure Switch 7000P-805
2
10
1
11
3
4
5
6
78
9
12
14
22
23
21
24
20
25
26
27
28
29
30
1819
13
15
16
17
16
SWITCH
BOILER
CONDENSATE
OUTLET
80M/140M/199M

REPLACEMENT PARTS
Item
#Description Part # Item #Description Part #
1 Thermodisc Flue ECO 210 F 7250P-089 16 Screws M5 x 14MM (Combustion Blower) 7250P-478
2 Steel Push Retainer (Thermistor) 7250P-151 17 Gasket (Air/Gas Channel to Combustion Blower) 7500P-075
3 PVC Black Tubing 1/8 ID (Thermistor) 7250P-311 18 Air/Gas Channel 7250P-687
4 Thermistor 7250P-667 19 Gasket (Flame Rec./Spark Electrode) 7250P-005
5 Water Pressure Switch 7250P-096 20 Spark Electrode (w/Gasket) 7500P-040
6 Gas Valve Assembly 7250P-695 21 Screws M4 x 8MM (Probe/Electrode) 7250P-069
7 Gas Valve Solenoid Kit 7250P-701 22 Flame Rectification Probe (w/Gasket) 7250P-049
8 Eco/High Limit Sensor 7250P-019 23 Screws Torx M5 x 22MM (Air/Gas Channel to Burner Door) 7250P-206
9 Screws M4 x 16MM (Air/Gas Mixer) 7250P-708 24 Gasket (Air/Gas Channel to Burner) 7500P-074
10 Welded Module 7250P-622 25 NIT Burner 7250P-703
11 Air/Gas Mixer (w/Rings, Cork Gasket, Screws) 7250P-545 26 Nuts M6 (Burner Door) 7500P-067
12 Relief Valve 7250P-080 27 Burner Door 7250P-684
13 Brass Nipple 3/4 NPT x 3" SN1018 28 Burner Door Ceramic Refractory 7250P-702
14 Brass 90 Elbow - 3/4 NPT 7250P-313 29 Screw M4 x 8MM (Ceramic Target Wall) 7250P-704
15 Combustion Blower (w/Gasket) 7250P-518 30 Washer M4 (Ceramic Target Wall) 7500P-109
31 Ceramic Target Wall 7250P-160
6
4
31
26
1
23
5
4
8
9
712 13 14
15
16
17
18
19
20
21
22
19
23
24
25
27
28
29
11
30
10
13
GAS-FIRED BOILER User Manual
REPLACEMENT PARTS (CONTINUED)
399M

28
12
3
4
5
67910 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
SWITCH
29 30 31
14
8
BOILER
CONDENSATE
OUTLET
REPLACEMENT PARTS
Item
#Description Part # Item #Description Part #
1 Blocked Vent Pressure Switch 7250P-150 17 PVC Nipple Sch. 80 3/4 NPT (Condensate Assembly) 7250P-648
2 Screws # 8 x 1/2" Self Tapping (Blocked Vent Pressure Switch) 7250P-133 18 Spring Clamp (Condensate Assembly) 7250P-302
3 Relay Board 7250P-580 19 PVC Tee Sch. 30 3/4 NPT (Condensate Assembly) 7250P-646
4 Control Board Mounting Panel (w/Screws) 7250P-651 20 Cable Clamp (Condensate Assembly) 7250P-649
5 Screw 1/4-20 x 1/2" (Control Board Mounting Panel) 7250P-184 21 Screw # 8 x 1/2" Self Tapping (Condensate Assembly) 7250P-133
6 Control Board Hold Down Clips 7250P-352 22 Poly Plug 3/4 NPT (Condensate Assembly) 7250P-647
7 Control Board (w/Fuse) 7250P-317 23 Band Clamp (Exhaust Assembly) 7250P-549
8 Fuse (Control Board) 7250P-378 24 PVC Pipe Sch. 40 4" (Exhaust Assembly) 7250P-524
9 Control Board Display (w/Ribbon Cable) 7250P-332 25 S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch) 7250P-153
10 Electrical Box (w/Screws) 7250P-707 26 O-Ring 007 (Blocked Vent Pressure Switch) 7250P-152
11 Screws # 8 x 1/2" Self Tapping (Electrical Box) 7250P-133 27 S.S. Hose Barb 1/4 x 10-32 (Blocked Vent Pressure Switch) 7250P-154
12 Brass Nipple 1-1/2 x 2 x 3-3/4" 7250P-514 28 Plastic Tubing 3/16" ID (Blocked Vent Pressure Switch) 7000P-805
13 Cabinet Cover 7250P-501 29 5 Pin Wiring Harness (location) 7250P-696
14 Cabinet Latch and Gasket Kit (w/Screws) 7250P-671 30 9 Pin Wiring Harness (location) 7250P-697
15 Leveling Foot 7250P-673 31 Low Voltage Wiring Harness (location) 7250P-699
16 Condensate Hose Assy 7250P-082
14
GAS-FIRED BOILER User Manual
REPLACEMENT PARTS (CONTINUED)
399M

© 2006 Heat Transfer Products, Inc. LP-182 REV. 12/18/06