Leaking Water Heater Pressure Relief Valve

Posted by on Dec 9, 2014 in Gas Water Heater Repair Sterling VA, Water Heater Repair Sterling VA

The pressure relief valve of a water heater has a vital job – ensuring the water heater tank does not explode. So with that in mind, we wish to ensure Sterling property owners know ways to best look after it. They will certainly leak when the valve wears out or when the water storage tank pressure gets greater then the relief point.Hot Water Heater Repair Sterling VA

We suggest that a minimum of twice a year, homeowners test to see to it the pressure relief valve, or T&P valve as we will call it, is working correctly. All one needs to do is raise the deal with for a few seconds and let go of it. It must snap back to its original position. When it is lifted, one may hear the noise of pressure being released , just like the noise of air coming out of a tire pump when being disconnected. Also, a little water might come out too. Both are regular. If the valve has not been tested in a long time, it may stick at first as well.

Nevertheless, if the handle doesn’t snap back, or if it continues to leak a little water, that is not regular. If it still leakages some, raise the handle a couple of more times to see if it does re-seat itself. You could wish to wait a day or so it see if it re-seats itself before presuming it needs to be changed.

Water Heater Repair Sterling would choose to manage any T&P valve replacements for you, so though water heaters are usually relatively maintenance free, there are some safety precautions one must be mindful of. With that in mind here is an overview of a pressure relief valve replacement.

1. The gas to the water heater has to be switched off, or the breaker for an electric water heater.
2. The cold water cut-off valve has to be closed next.
3. The valve below the T&P valve has to be opened to drain a little water in order to relieve some of the pressure in the storage tank.
4. The overflow pipe of the T&P valve has to be removed. It may need to be cut off if it is soldered or securely glued.
5. The pressure relief valve needs to be unscrewed with a pipe wrench.
6. Wrap the brand-new T&P valve with Teflon tape and screw it in place. See to it the overflow pipe opening is positioned away from the storage tank.
7. Reattach the drain pipe, likewise making use of brand-new Teflon tape.
8. Turn the water back on, and examine your work for any leakages.

The following video gives an introduction of this procedure: