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    JSharp12's Avatar
    JSharp12 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 17, 2007, 05:01 PM
    Leaking pressure release valve
    My water heater relief valve is leaking on almost a daily basis. I had the water utility company check the pressue and it was fine. I have replaced the old relief valve and still I have a leak. There is no backflow preventor installed in the house or in the meter. The temperature is set on a low setting. And the water heater is only 2 years old. What else could be causing this problem?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jan 17, 2007, 05:56 PM
    T & P valves only release water if, (1) there is too high a temperature/pressure, (2) If there's dirt or mineral caught under the seat **or** (3) if you have a sprinkler system and a check valve or a backflow preventer imstalled with no expansion tank. Take your pick. Regards, Tom
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #3

    Jan 17, 2007, 06:05 PM
    Tom, in that one thread you mentioned the heat trap nipples causing problems. Could they be messing up the T&P vales too?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Jan 17, 2007, 06:11 PM
    Lab, If the "heat trap nipples" are clogged it could build up pressure if the water heated up, however the complaint wasn't about reduced hot water flow but it was good thinking on your part. It slipped by me. Regards, Tom
    Downcape's Avatar
    Downcape Posts: 2, Reputation: 1
    New Member
    		  
    #5

    Mar 14, 2007, 03:36 PM
    I have similar problem, where my tri-indicator reads 35psi when in operation. The pressure release valve is set for 30 psi.

    I have a steady drip when the boiler is running.

    How do I go about relieving some of the pressure?
    doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
    Ultra Member
    		  
    #6

    Mar 14, 2007, 08:28 PM
    Jsharp, do you have 2 valves? One for the cold and one for the hot?
    You may have a t&p that was previously harmed by pressure and/or temperature and the spring was weakened. It is best to simply replace it.
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #7

    Mar 14, 2007, 09:01 PM
    Quote Originally Posted by Downcape
    I have similar problem, where my tri-indicator reads 35psi when in operation. The pressure release valve is set for 30 psi.

    I have a steady drip when the boiler is running.

    How do I go about relieving some of the pressure?
    Is this a hot water tank or a heating boiler? If so, repost in heating.
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