Service Handbook

Condensing Models: On-Demand Water Heater Service Handbook • 71
COMPONENTS
Table 10: Component Descriptions and Part Numbers
Item Number Description
Part Number
140 Model T-H3M Model
001
Case assembly for
Indoor model
N/A EK450
Case assembly for
Outdoor model
N/A EK451
002
Front cover for Indoor N/A EK452
Front cover for Outdoor N/A EK453
003 Intake air port assembly 320273-350 EK454
004 Bracket N/A EK455
005 Junction box 319143-510 EK190
006
Power supply cord
assembly
320273-352 EK456
007 Back guard panel N/A EK457
050
Screw M4×12 (W/
Washer)
319143-025 EW000
051
Screw M4×10 (W/
Washer)
319143-325 EW001
052 Screw M4×10 (Coated) 319143-026 EW002
053 Screw M4x10 319143-060 EW003
054
Hex head screw M4×12
(W/Washer)
319143-326 EW004
055 Hex head screw M4x8 319143-063 EW005
056 Pan screw M4X20 N/A EW018
057
Tap tight screw M4x12
FEZN
319143-201 EKK31
058 Screw M3x6 SUS 319143-087 EW00A
059 Screw M4x6 319143-328 EW009
060 Screw M3x6 N/A EK191
061 Pan screw M4x8 319143-059 EW00D
062 Wire clamp 60 319143-048 EM167
063 Screw M4x10 320273-497 EW00P
064 Screw M3x6 SUS3 319143-330 EW00B
101 Burner assembly 320273-353 EK458
102
Manifold with gas valve
assembly LP
320273-354 EK459
Manifold with gas valve
assembly NA
320273-356 EK460
COMPONENT ITEM NUMBERS