Rinnai RUC80i Training Program page 44

Circulation Pump Removal - RUR Models.
1. An alternate method to remove the
Crossover Mode Bypass Pipe is to remove
the two screws securing the pump inlet
fitting to the front of the pump and
rotating the pipe and fitting to the right.
2. For adequate clearance, remove the pump
inlet fitting from the pipe by removing the
retaining clip OR remove the inlet fitting
AND the pipe from the hot water outlet
fitting by removing the two screws and
retaining clip.
The Pump Inlet fitting contains an internal
check valve.
Pump inlet and check valve.
© 2016 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Retaining screws and clip.
44 5/4/2018