Hot Water Heater Discharge Pipe Leaking

So this release of its pressure causes your hot water tank overflow pipe dripping towards the floor where the hot water heater is placed.

Hot water heater discharge pipe leaking.

But for this article we will concentrate on the leaks that come from a water heater s overflow pipe also known as the discharge pipe including its causes and how they are usually fixed by a plumber. Your tpr valve located at the top of the water heater automatically opens to discharge water when it senses too high pressure levels. This temperature pressure relief valve is attached to the discharge pipe. Bottom leaks on a water heater may also come from the t p valve and the water tank as well as the drain valve and the heater element gasket.

At the bottom of the tank there must drain valve in every cold hot water heater leaking from top. The pipe in question is the discharge pipe that connects to the pressure release valve. Put a thermometer in a glass and place it under the tap. It s designed to release the pressure when there is too much of a load built up inside the water heater.

Water temperature gets too hot thermal expansion most common defective valve water pressure first check the water temperature at any faucet. If the leak is coming from around the valve itself or out of the bottom of the pipe it could indicate that the water in the tank is too hot. If the tank is leaking there must be internal leak of hot water heater. Go run a bunch of hot water at your plumbing fixtures until you ve exhausted the hot water supply on your water heater and keep running the water for another few minutes.

This valve will open or leak for the following reasons. There may be a lot of. And when it opens it releases water to the bottom of the water heater via the discharge pipe. After draining or flushing a water heater it is common for the drain valve to fail to close completely.

If you have several. A leak in the drain valve at the bottom of the water heater is another common issue. Usually a tpr valve that s discharging is accompanied by a hissing noise.