Water Heater Pressure Relief Valve Replacement

The pressure relief valve is there as a safety measure in case the pressure inside the tank gets too high.

Water heater pressure relief valve replacement.

Utilitech water heater pressure relief valve. The temperature and pressure relief valve tpr or t p is the safety device that is found on all types of water heaters and is designed to prevent water from boiling or overheating. For pricing and availability. Hydro master 3 4 inch ips isolator tankless water heater service valve kit with pressure relief valve clean brass 4 6 out of 5 stars 399 59 98 59.

A replacement valve costs around 20 and calling in a professional could bring your cost up to 200. Here s how to test and replace a pressure relief valve. 98 0 99 oz 70 99 70 99. If the t p relief valve is not installed there will be a lot of stress on water heater caused by the extreme pressure and temperature which might cause the deformation and rupture of the unit.

Rinnai water heater isolation valve. Be aware that a pressure relief valve is designed so that water will pour out of it if pressure builds up too high in the water heater. If a pressure relief valve for a boiler is accidentally installed on a water heater it will leak like crazy from the start. It acts as an overflow for the tank and serves a very important purpose if the thermostat malfunctions.

If you open the drain valve at the bottom of the water heater and open the pressure relief valve and or the hot water side of a faucet water should drain out. The pressure relief valve tpr valve prevents the tank from building excess pressure. It won t gush out like it would if the water was on and it might take a little while to get going but it should gently flow out of the hose. These valves may look identical but they re set to go off at 30 psi.

With this in mind the discharge pipe from the valve should be emptied into a bucket or tray or be piped outdoors or to a drain. Smith water heater termination kit.