Water Heater Leaking From Relief Valve Pipe

A leaking relief valve at the water heater.

Water heater leaking from relief valve pipe.

In the first case the valve will drain water out of the discharge pipe as explained above. The relief valve is working the way it s intended and water drained to reduce the pressure inside the tank. So this release of its pressure causes your hot water tank overflow pipe dripping towards the floor where the hot water heater is placed. A leak in the drain valve at the bottom of the water heater is another common issue.

Pressure relief valves sometime develop a drip when opened for the first time in years. This temperature pressure relief valve is attached to the discharge pipe. There are numerous possible reasons your water heater s pressure relief valve leaks. If the internal pressure in your hot water heater reaches or exceeds 150 pounds per square inch or if the temperature of the water exceeds 210 degrees fahrenheit the temperature and pressure relief valve will open.

There s a problem with the valve such as a faulty seal and the water is unintentionally leaking. Is your hot water heater leaking from overflow pipe internal leakages. If you have a large leak or the drip doesn t stop on its own in a day or two the valve will need to be replaced. Either the valve was triggered to open because of excessive temperature or pressure or the valve itself is faulty.

Why might your water heater s relief valve start leaking. Try opening and closing it a few times to see if it will seat itself. 1 either the water pressure inside the tank is too high 2 the water temperature is too high 3 the t p valve hasn t been used in a few years 4 the wrong t p valve was installed or 5 the t p valve itself has failed. There may be a lot of.

Your water heater s relief valve can start leaking for one of two reasons. At the bottom of the tank there must drain valve in every cold hot water heater leaking from top. After draining or flushing a water heater it is common for the drain valve to fail to close completely. When you see water coming out from the water heater release valve there are two most likely causes.

If the tank is leaking there must be internal leak of hot water heater. This drain valve can be capped with a hose cap or you can replace the drain valve completely with a new valve.