Tag: plumbing
All the articles with the tag "plumbing".
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Rinnai Error Code 52 — Outlet Water Temperature Sensor Fault
Rinnai tankless water heater Error Code 52 means the outlet water temperature sensor has failed. Learn causes, diagnostic steps, and the fix.
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Rinnai Error Code 65 — Water Flow Rate Fault
Rinnai tankless water heater Error Code 65 means insufficient water flow or a water flow sensor fault. Learn causes, diagnostic steps, and how to fix it.