Water Heater T P Valve Drain Line

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.

Water heater t p valve drain line. Most areas require a drain pan with a drain line under it. This reduces the risk of water damage from leaks and aids during flushing. 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. The valve is called a t p valve or tpr valve for temperature and pressure relief.

Add a pvc t connection to floor pipe route the drain pan line into the side of the t on a downward slope. 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. If the water heater is within 6. The purpose of this drain line is to discharge potentially hot scalding water to a safe location so that a bystander is not scalded.

T p valve the. Temperature pressure relief valve discharge tubes drain lines their piping. 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. Understanding water heater installation code requirements can be a real pain.

Follow local building codes when deciding where to drain any water that drains out of the tank. When a water heater is overheating the increase in pressure or temperature or both cause spillage of water at the temperature and pressure relief valve. The valve should be connected to a discharge pipe also called a drain line that runs down the length of the water heater tank. 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.

If you don t have a floor drain drain the water into a sump pit. Violating these codes may result in fines voiding your warranty or putting your family at risk. Here s my current plan.