Question about Water Heaters
I have slight leak at bottom of pop off valve. how do I replace ?
Shut off water,gas or power
Then drain about half of the water from the heater.
The pop off valve unscrews from the tank.
Some times its rusted really bad and will break off because its soft bras. If that happens then get a inside the pipe pipe wrench and try remove the broken valve. If that fails then you need a new water heater.
There are a few types of valves some are lomger than others and some have a 90 degree turn. best thing is to get your old one out(if posible) before you buy the new one so you get the right one.
Posted on Jan 12, 2013
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Posted on Jan 02, 2017
Now, the pipe that leads from the base water pan should lead to the wall where the water can go outside. If you see water in it, but very little in the pan, then you have water from outside (rain or water hose) coming inside the house. You should have a valve, usually on the side of the water tank near the top that looks like brass with a silver 'flip' handle on it. There may be some plastic pvc pipe attached to it as well. If the water is coming from this valve then you need to have the valve replaced. You may get some extra time by gently tapping the valve where the handle is attached with a mallet so that the valve seats itself. This valve is a pressure release valve. If the water in the tank gets too hot or water pressure gets too high, this valve will open to relieve that pressure. it doesn't happen often, so if this is the first time you have seen it and it doesn't seem to be leaking any more, I would not worry about it. If it is still leaking, you can get a replacement relief valve from your local Lowe's or hardware/lumber yard. They usually cost less than $20 USD
Posted on Mar 29, 2009
you might want to check the water pressure going into the unit, it should only be no more then 75lbs anything over that will make the top pressure valve blow off
Posted on Jun 27, 2009
If you are reffering to the drain valve at the bottom of the hot water tank. It may be leaking due to the O ring being cracked or worn out. You can either drain the tank and replace the valve or you can buy a hosebib brass cap and thread it on the existing valve. There is no cause for alarm when doing this as this valve is just to drain the tank when replacing your hot water heater
Posted on Feb 25, 2010
SOURCE: leaking pressure relief valve
what is the water pressure on the cold side? You may need to install a pressure reducing valve at the water heater inlet to reduce inlet pressure and keep pop off valve from opening when not needed.
Posted on Mar 10, 2010
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