Water Heater T P Valve Drain Line

The valve is called a t p valve or tpr valve for temperature and pressure relief.

Water heater t p valve drain line.

If the water heater is within 6. 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. Here s my current plan. If all goes well a tpr valve never gets used except during testing.

If you don t have a floor drain drain the water into a sump pit. T p valve the. On the side or top of your water heater tank is a valve connected to a metal or plastic discharge tube pointing downward. The tpr valve will activate if either water temperature measured in degrees fahrenheit or pressure measured in pounds per square inch psi exceed safe levels.

Next to water heater is a 1 1 2 pvc pipe that starts 2 above floor grade goes down into floor takes a 90 degree turn and ends about 8 past the exterior wall and maybe 4 off the ground above a planting bed. Most areas require a drain pan with a drain line under it. Follow local building codes when deciding where to drain any water that drains out of the tank. Temperature pressure relief valve discharge tubes drain lines their piping.

The purpose of this drain line is to discharge potentially hot scalding water to a safe location so that a bystander is not scalded. This reduces the risk of water damage from leaks and aids during flushing. Add a pvc t connection to floor pipe route the drain pan line into the side of the t on a downward slope. Understanding water heater installation code requirements can be a real pain.

Violating these codes may result in fines voiding your warranty or putting your family at risk. The purpose of the relief valve also called tpr valve temperature pressure relief is specifically to prevent over pressure from bursting or exploding the water heater tank. 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.