Tag: rinnai
All the articles with the tag "rinnai".
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Rinnai CBU Combi Boiler Error Codes — Complete Fault Guide
Complete guide to Rinnai CBU series combi boiler error codes, fault causes, and step-by-step troubleshooting for heating and domestic hot water failures.
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Rinnai RUR Series Error Codes — Tankless Water Heater Fault Guide
Complete guide to Rinnai RUR series condensing tankless water heater error codes, fault causes, and step-by-step troubleshooting for the most common failures.
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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.