Rinnai RUC80i Training Program page 34

Water Flow Servo / Bypass Valve Removal
NOTE: This procedure is for the RU/RUC and C199 models. The RUR model procedure will be explained on
another slide.
1. Remove (2) screws from the brackets securing the two pipes to the bypass valve assembly.
➢ Rotate and remove brackets then release the copper pipes by pulling the pipes straight out from
the fitting.
2. Remove (2) screws from the cold water inlet fitting. Pull the fitting down away from the cabinet.
3. Remove the one remaining screw that secures the water flow servo valve assembly to the bottom of the
cabinet. The assembly will now be free of the unit.
4. Disconnect the wiring harnesses for the servo motors (water flow servo & and bypass servo), the water
flow sensor and the anti-freeze heater.
5. The assembly can now be removed from the cabinet.
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PROPRIETARY and CONFIDENTIAL
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Enhancing Lives By Changing The Way Water Is Heated
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5/4/2018