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The Rinnai 105000039 is a thermal fuse harness assembly designed specifically for Rinnai tankless water heaters, including models R75 and R94. This component is critical for ensuring the proper functioning of the water heater by protecting against overheating.
This thermal fuse harness is a necessary replacement part for maintaining the performance of specific Rinnai water heaters.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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