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    murdock1956's Avatar
    murdock1956 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 13, 2012, 08:08 PM
    I put in water heater, after turning it on , water comes from pressure valve.
    Need advise on pressure valve leak in hot water heater
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Apr 14, 2012, 06:20 AM
    Several things would cause your T&P valve to open up. Does it run all the time or just in spurts?
    1. Excessive house pressure. Do you have a PRV (pressure reducing valve installed?
    2. Temperature set too high
    3, If it leaks every time a faucet is opened and closed you need to install a expansion tank on the cold water line.
    Out of the three which one fits the best? Back to you, Tom
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Apr 14, 2012, 08:03 AM
    I agree with Tom but there is a 4th situation when the PRV leaks, when it is broken. Star by putting a pressure gauge on the water heater drain spigot, what psi do you read?
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