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    plumit's Avatar
    plumit Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Apr 23, 2008, 03:23 PM
    Trap Primer Valve?
    What is a trap primer valve? What happens if it is turned off?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Apr 23, 2008, 03:39 PM
    A trap primer meters water to a trap that's not generally in use such as a floor drain. It's function is to put back any water that may have evaporated in the trap seal and to contain sewer gas from entering your home. Nothing will occur if you shut it off but the trap seal will be unprotected. Good luck, Tom
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