Rinnai RUC80i Training Program page 42

Circulation Pump Removal - RUR Models.
To remove the pump, three pipes, one
electrical connector, one manual drain
and six screws will need to be
removed or disconnected.
1. The pipes that need to be removed
or disconnected are....
a. Circulation Return Pipe.
b. Crossover mode internal
bypass pipe.
c. Pump outlet pipe.
NOTE: Some of these components may
have already been removed in
previous steps.
2. Remove the circulation return pipe from
the cold water inlet fitting and the pump
inlet by removing the retaining clips.
Then slide the pipe to the left to
disconnect from the fittings.
© 2016 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Pump Outlet
42
Crossover mode
Bypass
Circulation Return
5/4/2018