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Figure 46 – Heat Exchanger Replacement Parts
NUMBER
DESCRIPTION
31
HEAT EXCHANGER ASSEMBLY
31-1
EXHAUST PIPE ASSEMBLY (UP)
31-2
EXHAUST TEMPERATURE SENSOR
31-3
EXHAUST GASKET
31-4
EXHAUST PIPE ASSEMBLY W/ CONDEN-
SATE COLLECTOR PAN (DOWN)
31-5
EXHAUST H/X GASKET
31-6
32
FAN ASSEMBLY
32-1
32-2
BLOWER O-RING
32-3
AGM (ACTUATOR)
33
SILENCER ELBOW
34
SILENCER BODY
35
BURNER ASSY
35-1
BURNER HEAD
35-2
IGNITION ROD BRACKET
35-3
IGNITION ROD
35-4
BLOWER HEAD BRACKET
35-5
OVERHEAT SENSOR (BURNER)
35-6
METAL FIBER ASSEMBLY
Table 30 – Heat Exchanger Replacement Parts
PART NUMBER
50315240293
50315240303
50315240313
50315240323
50315240333
50315240343
50315240343
N/A
50315240373
FAN
50315240383
50315240393
50315240403
50315240413
50315240423
50315240433
50315240443
50315240453
50315240463
50315240473
50315240483
50315240483
NUMBER
36
FLAME DETECTOR SENSOR
37
H/X TEMPERATURE SENSOR
38
39
H/X OVERHEAT SWITCH
40
41
N/A
42
43
44
GAS VALVE PIPE (LOWER)
45
GAS VALVE ADAPTER (STRAIGHT)
46
GAS VALVE ASSEMBLY W/ PLUG
47
47-1
47-2
GAS VALVE ADAPTER (90 DEGREE)
48
49
BOTTOM HEAT EXCHANGER
50
BOTTOM HEAT EXCHANGER BRACKET (RIGHT)
51
TOP HEAT EXCHANGER BRACKETS
52
DESCRIPTION
MIXING VALVE
DHW OUTLET PIPE
WATER PING CLIP
DHW INLET PIPE
CERAMIC HEATER
GAS VALVE PIPE (UPPER)
GAS VALVE
GAS VALVE PLUG
GAS VALVE BRACKET
BRACKET (LEFT)
PART NUMBER
50315240493
50315240503
50315240513
50315240523
50315240533
50315240543
50315240553
50315240563
50315240573
50315240583
50315240593
50315240603
50315240613
50315240623
50315240633
50315240643
50315240653
50315240663
50315240673
50315240653
73
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