The Eccotemp FVI12 outlet water temperature sensor is only for the FVI12-NG or the FVI12-LP models. It reads the temperature of the water coming out of the unit and is not to be confused with the over temperature sensor.
Customer assumes all liability when purchasing replacement parts.
Gave me a E4 code bought new sensor 5 minutes later hot water again ,quick 3 day ship fantastic
Water temp now reading correctly. Thank you Eccotemp tech support.