Rinnai RUC80i Training Program page 33

Hot Water Outlet Fitting
1. Remove screw from hot water outlet pipe retainer. Rotate retainer to release the copper pipe.
Pull pipe out away from fixture. Ensure o-ring stays intact.
2. Remove ceramic anti-frost heater from fixture. The corner of the retainer holds the heater in
place.
3. Remove pan-head screw holding outlet thermistor and remove the thermistor by pulling straight
out. Ensure the thermistor o-ring is intact.
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© 2016 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
2
Enhancing Lives By Changing The Way Water Is Heated
1. Hot water outlet
2. Heater
3. Thermistor
33
4. To remove the fitting,
remove the three screws
securing it to the bottom
of the cabinet.
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5/4/2018