Why Is My Water Heater Leaking From The Top

Rainwater can be blown in from outside.

Why is my water heater leaking from the top.

First check the cold water inlet pipe. Sometimes the pressure relief valve will leak if it was opened for the very first time. If you have a gas hot water heater leaking from the top one possibility is related to rain. Well it means that your water heater has dangerously high pressure inside the tank.

When it comes to a leak on the top of your water heater there are three common causes. From its base where it screws into the water heater from the piping attached to the t p relief valve and also coming out of the open end of the pipe. Your tpr valve located at the top of the water heater automatically opens to discharge water when it senses too high pressure levels. Take a look at the top of your water heater.

If the water heater is dripping from the top then all you have to do is replace the pressure relief valve. If you see a puddle of water this is more than likely the problem. If your valve is located on the top of your water heater like in the picture below check to see where it s leaking from. Under the right conditions rain drops can enter and come down the vent.

Rain water when rain water travels down the flue vent pipe of a gas water heater it can collect on the top of your tank. 2 connection that generates cold water. 1 connection that generates hot water. Check the plumbing pipes above the water heater using a stepladder if necessary.

Two places it may be leaking from include. The first place to check is the plumbing pipes above the water heater. One of the most common reasons your hot water heater may be leaking at the top could be due to a faulty water inlet valve. The temperature and pressure relief valve t p valve is located on top of your water heater and acts as a safety valve to release excessive pressure or water in case of overpressurization or thermostat failure.

Here are a few other possible causes. First locate the nut that s attached to the handle of the water heater and tight it up. And when it opens it releases water to the bottom of the water heater via the discharge pipe. This valve is typically located at top center of the tank.

Leaks from the top of the water heater are usually caused by one of the three connections at the top as shown in the diagram below. 3 connection that releases pressure. Cold water inlet valve if you find a pool of water on top of your water heater it s often an indication that there s a leak on either the water inlet or outlet pipe. A drip from above can easily leak down on top of the water heater and even work its way down the insulation and make it look like the leak is coming from the tank itself.

Water heater is leaking from pressure relief valve.