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Old 10-19-2012, 12:57 PM   #1
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Water Heater Leak


Trying to find out if this leak is repairable or not? It's leaking around the brass fitting for the relief valve coming out of the heater.

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Old 10-19-2012, 02:56 PM   #2
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Water Heater Leak


Is the valve outlet dripping water or around the threads where it screws into the heater body?

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Old 10-19-2012, 03:25 PM   #3
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Water Heater Leak


It's leaking around where it threads in.
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Old 10-19-2012, 03:28 PM   #4
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Water Heater Leak


How old is the heater?
Has the PRV been replaced recently?
If answer is >10 years and No, then it may be a sign tank is breaking down.
You could turn off the main water valve, drain tank, and replace PRV or reinstall it with pipe dope/teflon tape but no guarantees.
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Old 10-19-2012, 03:34 PM   #5
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Water Heater Leak


shut off main water and power supply to heater..drain pressure off by opening any hot water tap, then open drain valve on tank to drain water below top of tank..you can tell level by loosening relief valve to see when water pressure drops...remove discharge pipe and relief valve ..put pipe dope/teflon tape on threads and re install ..then put back in service

or just like bob said..he must have posted just as I was typing this...only type with one finger at a time hehe!

note..if the leak is between tank and relief valve try the repair...if at discharge of relief valve ..don't bother just replace valve because they get corroded and scaled up internally and not worth it

Last edited by techpappy; 10-19-2012 at 03:40 PM.
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Old 10-19-2012, 07:03 PM   #6
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Water Heater Leak


Thanks for the replies. My tank is 8 yrs. old and I have spring fed water. The water that is leaking out around the threads is very rusty. Also, I have never serviced the tank. Like you said Bob, maybe this is a sign that my tank is breaking down. I'd hate for the tank to start leaking. The tank is on the 1st floor of my home and it's over a finished basement. Maybe it's time to buy a new tank and move it downstairs?
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Old 10-19-2012, 07:10 PM   #7
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Water Heater Leak


Spring fed water? Notice any other signs of rust or discoloration on/at any fixtures? Reason I ask is that maybe you have a high mineral content in your water supply and may need a water softener & filter. Have you ever had your water tested?
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Old 10-19-2012, 07:17 PM   #8
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Water Heater Leak


I don't notice any rusty fixtures anywhere else. I have a water softener. It's been a while since I've had my water tested, but last time it was very good. Since the drought here in OH this summer, spring went dry and I've been pumping county water from my parents house to my holding tank, so it's been county water here lately.
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Old 10-19-2012, 07:20 PM   #9
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Water Heater Leak


Glad to hear you're on top of your water treatment and were able to come up with a good solution to your water shortage problems.
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Old 10-19-2012, 08:37 PM   #10
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chheck to see if supply to H W Tank is before or after the softener..should be after...just in case If it is before tank should be ok if only 8 yrs old doid you say
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Old 10-19-2012, 10:20 PM   #11
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Water Heater Leak


Spring fed water systems around here are highly acidic, and 8 years is good life for a water heater on one of those, with no acid neutralizer in place.


Reinstall the T&P relief valve, and see if it stops. If not, time for a new tank.

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