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    twhtsn's Avatar
    twhtsn Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 24, 2009, 04:51 AM
    Water Hammer
    I recently Installed a check valve on the water line between my well pump and the pressure tank as I was losing pressure back through the well. That seemed to caused me to get water hammer in that pipe. So I Installed a water hammer arrestor in between the check valve and the pump and I still get a water hammer. What am I missing. Can anyone help me. :(
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Nov 24, 2009, 10:34 AM

    Water hammer is caused when moving water is stopped quickly. The water actually has momentum inside the pipe and slams to a halt, shaking the pipes and/or valve. What causes the noise; flush a toilet, turn off a faucet or the pump shutting down?
    twhtsn's Avatar
    twhtsn Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Nov 25, 2009, 07:02 AM
    The check valve is in between the well pump and the pressure tank. I'm assuming the Check valve closing shut is the problem. Thats's why I put a water hammer arrestor between the check valve and the pump.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Nov 25, 2009, 07:33 AM

    The check valve is in between the well pump and the pressure tank.
    As a rule check valves are in stalled between the pump abd the well head or at the bottom of the well in a foot valve. The check valve's there to prevent water from leaking back from the pump losing prime which leads me to believe that you may have a foot valve installed if your pump retains its prime. I would change the location of the check valve and if that doesn't stop the hammer click on back and tell me about it. Good luck, Tom
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