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Discuss Is it time for new water heater? in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net

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My 50 gal electric WH has water coming up out of this hole in the top. It just fills to the top and slowly runs out over the side. What can cause this and is it time for a new WH?
 

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ShaunCorbs

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Gas Engineer
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Unfortunately yes unless one of the pipes is leaking and it’s collecting in the hole my guess would be the cold pipe maybe leaking ?
 
Messages
13
The inlet and outlet pipes aren't leaking. They would be under pressure anyway right?

What is that hole? A maintenance tech working on my geo-thermal heat pump pointed it out to me and said the tank is getting too much pressure building up. I thought if it got too much pressure the relief valve on the side would pop open? Or is that one only if the water gets too hot?
 

ShaunCorbs

Staff member
S. Mod
Plumber
Gas Engineer
Messages
26,947
Correct

could be used as a secondary safety valve like the one on the side so instead of being on the side it can go on the top so could be a blank is leaking

and correct
 
Messages
13
That plastic ring that is around the plug, do I just pry it off with a screw driver? Then take the plug out with a socket wrench?
 
Messages
13
I have a deep well and I've always had the pressure set a little higher than standard. The pump pressure valve went out about 6 months ago and when they put in a new one I had them set it higher again. It appears to be turning the pump on about 45 PSI and off at 65 PSI. The WH is about 15 years old. Do you think setting the pump control back to 40 on and 60 off, like factory specs, would help? I wonder why it took so long to start leaking.
 

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