Rinnai RUC80i Training Program page 37

WFSV & Bypass Valve Removal - RUR Models.
Prior to removing the Water Flow Servo and Bypass Valve Assembly on the RUR models, open the
manual drains on the bottom of the unit and drain out any residual water.
➢
Water drain (copper hex drain).
➢
Check valve drain.
➢
Pump drain.
Turn the drain fittings counterclockwise to
open.
The water inlet / filter assembly fitting is held
in place with two screws as with the other
models.
Cold Water Inlet
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PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Manual Drains
37 5/4/2018