EC71 or Error Code 71 The error code 71 is a “Gas Valve Abnormality. It’s a problem with the circuit board being able to operate the gas valve and gas solenoids properly. It’s common on newer installations where the unit is provided power from a backup battery or an alternative…
EC67 or Error Code 67 An error code 67 is an AGM Abnormality. The AGM (Air Gas Mixer) is the part that adjusts the air and gas mixture as needed for proper combustion. Common issues related to an AGM abnormality: AGM is stuck. During low flow demands, the AGM will…
EC29 or Error Code 29 An error code 29 indicates a problem draining the condensate1 from the unit. This code only applies to our high efficiency condensing models. Just like if you leave a cold can of soda out in a warm area and condensate forms on the outside, a…
EC16 or Error Code 16 The 16 error code occurs when the outlet water temperature spikes to an abnormally high value. The heater will restrict its water flow as an additional precaution. The error code is reset by unplugging the heater, waiting 20 seconds, and plugging it back in. Common causes…
EC 12, or Error Code 12 An error code 12 indicates a flame loss. This means that the unit is detecting a flame, but the flame is being extinguished during operation (weak flame). Most of the same troubleshooting used in the Error Code 11 article can be applied to the error…
EC11 or Error Code 11 An 11 error code is an ignition failure. In other words, the unit recognizes there is a demand for hot water but for some reason is not able to ignite. This usually means there is no spark or insufficient gas entering the burner for ignition….
This walk-through video will demonstrate how to access the error code history on the Noritz residential remote controller. Text directions: Press the ON/OFF button to turn the remote OFF. Press and Hold the UP and DOWN arrows together for a few seconds until 03 is displayed. Press the DOWN arrow…
This article will help you prepare for the winter season and keep your tankless and hot water running. Winter is coming upon us and we would like to ensure that you and your family will be able to enjoy your endless hot water during this colder season. Please read through…
Electrical amp draw of Noritz tankless water heater Typical amp draw (current) for all of our units is between 1-3 amps during normal operation and up to 4 amps if freeze prevention is active. You can locate the power and amp draw of your specific unit by downloading the spec…
This chart helps to illustrate the money savings from going tankless.