Tankless Water Heater Relief Valve

These valves are actually used to replace up to 18 fittings as well as 16 connections which are typically used in the installation of tankless water heaters.

Tankless water heater relief valve.

Here s an excerpt from that manual. 13 13 product ratings threaded 3 4 tankless water heater valve kit w relief valve lead free rheem. They are necessary especially when flushing or draining the tankless system. The valves allow you to manually release air from the heating chamber when filling the chamber with water for the first.

Relief valves are usually located on the hot water outlet pipe leaving the heater to your fixtures. The takagi gas fired tankless water heater manual specifies a pressure relief valve on the hot water outlet. The two most common reasons for a hot water heater relief valve leaking are excessive temperature or excessive pressure. Rinnai 3 4 tankless water heater isolation valve kit mivk t lw prv hot cold.

Sweat 3 4 tankless water heater isolation service valve kit w relief valve. Pressure relief valves are an essential component of tankless water heaters. These valves reduce water leakages through joints. They replace up to 18 fittings and 16 connections used in typical tankless installations.

So consult the manufacturer s installation manual. Gas fired tankless water heaters will usually require a pressure relief valve while electric on demand water heaters may not. It s rare that a hot water heater re.