31
REPAIR PARTS LIST/DIAGRAM
ITEM
NO.
PARTS DESCRIPTION
1 1-1/2” NPT x 3” BRASS NIPPLE
2 THERMOSTAT SENSOR BUSHING
3 THERMOSTAT SENSOR/ECO
4 CONTROL PANEL HOUSING
5 IGNITION CONTROL
6 BLOWER ISOLATION RELAY
7 THERMOSTAT BOARD
8 TRANSFORMER
9 SIGHT GLASS
10 RED LED
11 YELLOW LED
12 GREEN LED
13 TEMPERATURE SELECTOR KNOB
14 THERMOSTAT BEZEL
15 POTENTIOMETER
16 PRESSURE SWITCH
17 VINYL TUBING
18 ACCESS PANEL
19 CLEAN-OUT PLUG w/O-RING
20 CONDUIT
21 3” CONDENSATE TRAP ASSEMBLY
22 BUSHING
23 AIR INLET PIPE ASSEMBLY
24 3/4” GAS INLET PIPE
25 PIPE COUPLING
26 GAS VALVE
27 VENTURI MANIFOLD
28 IGNITER BRACKET
29 HOT SURFACE IGNITOR
30 BLOWER
31 4” DIAMETER BLOWER GASKET
32 BURNER (NATURAL & L.P. SAME)
33 6” DIAMETER BURNER GASKET
34 DRAIN VALVE
35 TEMPERATURE AND PRESSURE RELIEF VALVE
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)
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
1
1
2
3
4
5
6
8
9
7
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
100 GALLON MODELS
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