Rinnai Error Code 12-How to fix?

If you own a Rinnai tankless water heater, you may have encountered the error code 12 at some point. This error code typically indicates a flame failure, which could be caused by issues such as gas supply problems, blocked vents, or a malfunctioning igniter. Fortunately, there are several steps you can take to fix this error and get your water heater back up and running efficiently.

First, check the gas supply to ensure it is not interrupted or blocked. Next, inspect the venting system for any blockages or restrictions that could be hindering proper airflow. If these checks do not resolve the issue, it is recommended to contact a professional technician to inspect and repair the igniter or any other potential internal problems.

By following these troubleshooting steps, you can effectively address the Rinnai Error Code 12 and ensure your tankless water heater continues to provide reliable hot water for your home. Remember, safety should always be the top priority when dealing with gas appliances, so do not hesitate to seek professional help if needed.