20
11/6/2018
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Outgoing Water Thermistor Removal
Ensure unit is isolated from water, power and gas. Open a fixture to release
any hot water or water pressure remaining in the system
1. Remove the outgoing water temperature thermistor shown below with red
arrow. Remove Phillips head screw and pull thermistor out of position,
ensuring O-ring is intact and in good condition.
2. Follow thermistor wire back to electrical connector, unplug at that point and
remove the thermistor from the unit.
3. Reinstall in reverse order.
Thermistor location
1
Thermistor location