Service Handbook

72 • Condensing Models: On-Demand Water Heater Service Handbook
COMPONENTS
Table 10: Component Descriptions and Part Numbers
Item Number Description
Part Number
140 Model T-H3M Model
103
Fan motor for Indoor
model
319143-443 EK109
Fan motor for Outdoor
model
319143-043 EKK25
104 Burner gasket 319143-031 EKK2X
105
Fan damper for Indoor
model
320273-557 EK491
Fan damper for Outdoor
model
319143-282 EM381
106 Burner window 319143-033 EKK2V
107 Rod holder gasket 319143-034 EKK2W
108 Flame rod 319143-517 EK193
109 Igniter rod 320273-357 EK461
110 Rod holder 319143-036 EKK32
111 Rod cap 320273-358 EK462
112
Burner damper Indoor 320273-359 EK463
Burner damper Outdoor 320273-360 EK464
113 Manifold gasket A 319143-044 EKK2Y
114 Manifold gasket B 319143-045 EKK2K
115 Burner holder gasket 319143-032 EKK0G
116 Pressure port 319143-042 EKK2D
117
Combustion chamber
tube
319143-344 EX019
118 Gas inlet 320273-362 EK465
119 Gas inlet ring 319143-049 EKK2Z
120 Surge box plate N/A EK466
150 O-ring P18 NBR (Black) 319143-350 EZP18
151 O-ring P20 NBR (Black) 319143-057 EK042
152
Silicon ring for Outdoor
model
319143-370 EK442
153
Exhaust port for
Outdoor model
319143-121 EX13J
154 Silicon ring 319143-065 EKN50
401
Heat exchanger
assembly for 140 Indoor
and Outdoor
320273-556 EK467
COMPONENT ITEM NUMBERS