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REPAIR PARTS LIST/DIAGRAM
ITEM
NO.
PARTS DESCRIPTION
1 1” NPT x 3” BRASS NIPPLE
2 THERMOSTAT SENSOR BUSHING
3 O-RING
4 THERMOSTAT SENSOR/ECO
5 INVERTED FLARE NUT
6 PLUG
7 VINYL TUBING
8 PRESSURE SWITCH
9 COMBUSTION BLOWER
10 4 INCH DIAMETER BLOWER GASKET
11 BURNER (NATURAL AND L.P. SAME)
12 6 INCH DIAMETER BURNER GASKET
13 HOT SURFACE IGNITER
14 IGNITER BRACKET
15 VENTURI MANIFOLD
16 REDUCING COUPLING
17 AIR INLET PIPE ASSEMBLY
18 GAS VALVE
19 1/2” NPT 90 DEGREE INLET FLANGE
20 1/2” NPT X 2” NIPPLES
21 1/2” NPT ELBOWS
22 1/2” NPT X 4.5” NIPPLE
23 RED LED
24 YELLOW LED
25 GREEN LED
26 THERMOSTAT BEZEL
27 TEMPERATURE SELECTOR KNOB
28 THERMOSTAT BOARD
29 IGNITION CONTROL
30 TRANSFORMER
31A 2” CONDENSATE TRAP ASSEMBLY
31B 3” CONDENSATE TRAP ASSEMBLY
32 COLD WATER TUBE ASSEMBLY
33 TEMPERATURE AND PRESSURE RELIEF VALVE
34 DRAIN VALVE
35 POTENTIOMETER
36 VENTURI GASKET (not pictured)
37 BLOWER ISOLATION RELAY (150,000+ BTU/Hr)
TOOLS REQUIRED FOR SERVICING
TOOL FUNCTION
VOLT OHMMETER MEASURE VOLTAGE/RESISTANCE
CLAMP-ON AMMETER MEASURE CURRENT
STOPWATCH CLOCK GAS CONSUMPTION
CALCULATOR CALCULATE INPUT RATE
U-TUBE MANOMETER READ INLET GAS PRESSURE
3/16” ID PLASTIC TUBING - 2 FT CONNECT MANOMETER
#1 & #2 PHILLIPS SCREWDRIVERS REMOVE DOORS AND CONTROLS
12” PIPE WRENCH (2 REQUIRED) REMOVE GAS LINE
1/2” COMBINATION WRENCH REMOVE BLOWER AND BURNER
1/2” SOCKET AND RATCHET REMOVE BLOWER AND BURNER
3/8” COMBO WRENCH/NUT DRIVER REMOVE IGNITER
T-25 TORX WRENCH REMOVE THE GAS VALVE
(ALSO HELPFUL - 9/32” and 5/16” COMBINATION WRENCHES)
1
1
33
32
31A
29
30
28
35
24
23
27
26
25
9
17
18
12
15
10
11
14
13
19
20
21
22
6
5
4
3
2
1
7
8
34
37
16
31B
When ordering repair parts always give the
following information:
1. Model, serial, and product numbers
2. Type of gas
3. Item number
4. Parts description
Repair Parts List
ALL MODELS EXCEPT
100 GALLON