A.O. Smith ATI-140H-N Service Handbook page 73

COMPONENT ITEM NUMBERS
Table 10: Component Descriptions and Part Numbers
Item Number
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
450
451
452
453
454
455
456
457
458
459
460
Description
Flow Sensor/
Control Valve
Condensate drain port
Water inlet
Inlet drain plug
Inlet water filter
Inlet thermistor
Outlet thermistor
Water outlet
Outlet drain plug
High Limit switch
Overheat-cut-off fuse
Pipe heater
Inlet heater
Drain tube
Inlet heater
Secondary heat
exchanger for Indoor
model
Secondary heat
exchanger for Outdoor
model
Secondary heat
exchanger heater
Heater fixing plate
Pipe heater fixing plate
Heater fixing plate 16
Fuse fixing plate
O-ring P4 FKM
O-ring P6 FKM
O-ring P14 FKM
O-ring P15 FKM
O-ring P16 FKM
Fastener "14-22"
Fastener "16A"
Fastener "16-25A"
140 Model
319143-463
319143-018
319143-193
319143-197
319143-198
319143-214
319143-529
319143-466
319143-199
319143-228
319143-067
320273-364
320273-365
320273-366
319143-468
320273-553
320273-554
320273-367
N/A
N/A
319143-125
N/A
319143-082
319143-080
319143-100
319143-091
319143-083
319143-105
319143-226
319143-205
Condensing Models: On-Demand Water Heater Service Handbook • 73
Part Number
T-H3M Model
EK129
EKH23
EKK1U
EKK2B
EKK2C
EKK4J
EK207
EK104
EKK2E
EM212
EX02A
EK468
EK469
EK470
EK105
EK471
EK472
EK473
EK474
EK475
EK031
EK476
EZF04
EZF06
EZF14
EZF15
EZF16
EKK24
EM192
EKK39