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Blog Tips and Bulleting to keep your home safe

Amor Plumbing, your experienced plumbing contractor in San Jose, CA

How-To Guides & Troubleshooting Tips

Your go-to resource for most common error codes and water heater issues.

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Troubleshooting Noritz tankless error code 90

Troubleshooting Noritz tankless error code 90

Troubleshoot Noritz Error Code 90: Combustion Abnormality

A 90 error code indicates a combustion abnormality.

Mar 29, 20252 min read

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