Service Handbook

Condensing Models: On-Demand Water Heater Service Handbook • 75
COMPONENTS
COMPONENT ITEM NUMBERS
Table 10: Component Descriptions and Part Numbers
Item Number Description
Part Number
140 Model T-H3M Model
716
Exhaust high limit
switch wire
319143-501 EK180
721
Temperature controller
for Indoor model
320273-684 EK487
722 Fixing plate N/A EK490
723
Temperature remote
controller
319143-485 TM-RE40
724
Remote controller
connection wire
320273-512 EK489