Tankless Water Heater Repair in Chillicothe, Ohio

The error code on the front is the fastest route in

Tankless units are diagnostic by design: they display a code, and that code narrows the problem down straight away. The usual causes are scale build up restricting the heat exchanger, an ignition or flame sensing fault, a blocked inlet filter, or venting and combustion air problems.

The cold water sandwich, where the water runs hot then cold then hot again, is usually a flow or sizing issue rather than a fault. We will tell you which of the two you have before quoting anything.