Rinnai Code 12 Fix
Rinnai Code 12 Fix. An issue with the water heater’s venting can also lead to a code 11. Reaction with thermal fuse due to excessive temperature. RHS19980HEIN Hybrid Water Heater Residential Rinnai from www.rinnai.ca Assuming gas type and pressure are correct and there is no air in the gas line or other problem with the gas supply, confirm that: However, before calling the technician, check for the following: Unfortunately discovering the reason is a destructive process.
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