Water Heater Relief Valve Outside

This valve allows water or steam to escape from the water heater if the temperature or pressure gets.

Water heater relief valve outside.

If the water inside the unit gets too hot usually above 210 degrees or pressure builds up too high above 150 psi the water heater can become damaged or even explore. Open the valve at the bottom and the pressure relief valve for a minute to drain a little water out of the tank and relieve the pressure. The purpose of this drain line is to discharge potentially hot scalding water to a safe location so that a bystander is not scalded. The temperature pressure relief valve or tpr valve on any heated appliance that contains water such as a heating boiler hot water tank water heater water cylinder must have a drain line or discharge tube properly installed routed and made of proper materials.

The t and p valve which is located on the. 1 wrap two layers of vinyl plumber s tape around the threads on the pressure release. First turn off the gas to the water heater or flip the breaker if it s electric. A good solution to this risk is the relief valve.

If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out. But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an amazing electric or gas bill and goes searching for the reason. Two situations can cause a water heater relief valve to open. Many regions require the t p valve to lead outside for added safety and some may even require two valves for redundancy.

T p valve the temperature and pressure relief valve is an important safety device which goes off when your tank exceeds 210 degrees fahrenheit or 150 psi. Pressure release valves are installed after the heater is mounted in place and the water lines are connected. Water heaters come equipped with a temperature and pressure relief valve also known as a tprv. The relief valve is an important safety feature on the water heater.

Many people wonder what causes a water heater relief valve to open. Every water heater whether gas or electric needs a temperature and pressure relief valve because without one it could begin to leak or even explode. Close the cold water cut off valve going into the water heater. If the temperature of the water in the water heater tank exceeds 210 degrees the relief valve should open.