Water Heater Leak - HELP!

Discussion in 'Water Heater Forum, Tanks' started by kboyette, Dec 26, 2011.

  1. kboyette

    kboyette New Member

    Messages:
    12
    So my water heater started leaking on Christmas morning... It is only 6 years old. After doing some investigating, I found that the cold water supply was the part leaking. Here's my question... If you look at the pictures below you will see a regulator valve (??) on the inlet side after the cut-off valve, but before the tank. It has a twist dial, presumably to adjust the allowable pressure. The pipe that extends out the top and then 90's down just points down to the drain pan on the floor. I believe it is this valve leaking. After about an hour on the internet, I have not seen any installations with this adjustment regulator. Does anyone recognize this? Is it necessary? Just to be clear, I'm not talking about the TPR valve. I know what that is for.

    On a separate, but related, topic the pan is not draining (which is how I found the leak). The water heater is located near one of my air handlers. Is it possible the drains are plumbed together? The house was built in 2005 and is located in Florida.

    Thanks,
    -Kevin

    20111226_125148.jpg

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  2. kboyette

    kboyette New Member

    Messages:
    12
    by the way it is an A.O. Smith 50 Gal WH
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,798
    Location:
    New England
    If it is that relief valve that is leaking, it's one of two things: the pressure exceeds the setting, or the thing has worn out. In either case, I think that I'd probably buy a screw on pressure gauge to see what pressures you're dealing with, then decide if the thing was broken, or I had other problems. You can pick up a pressure gauge for around $10, and screw it onto say a hose bib, the drain on the WH, or a washing machine hose supply. Or, buy adapters, and screw it in elsewhere.
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