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11/6/2018
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
Bi-metal Over Heat Switch
Ensure unit is isolated from power and gas supply.
The overheat bi-metal circuit activates based on the temperature range listed below. Bi-metal switch
automatically reset once the temperature drops below the activation point.
1. Overheat switch - located on the right side of the primary heat exchanger. Activation temperature is
230˚F (110˚C), resets at 203 ˚F (95˚C).
2. If bi-metal activates code 14 will appear on water heater controller.
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Bi-metal switch close-up
Bi-metal switch located
on right side of HEX
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