Rinnai RUC80i Training Program page 39

WFSV & Bypass Valve Removal - RUR Models.
1. Disconnect all wiring harnesses from the Water Flow Servo Valve and the Bypass Valve.
2. Remove the check valve drain from the check valve (turn counter clockwise) and remove the
two screws securing the check valve to the bottom of the water heater cabinet.
3. Now the assembly can be removed from the water heater cabinet.
2.
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PROPRIETARY and CONFIDENTIAL
Water Flow Servo
Internal Check Valve
Enhancing Lives By Changing The Way Water Is Heated
Bypass Servo
39 5/4/2018