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  1. #1
    Join Date
    Dec 2010
    Posts
    2

    Default Sump pump check valve noise

    Just had a repair done to the sump pump. The pump is working fine and is relatively quiet. The new check valve however make a banging or hammer sound once the pump shut off from discharging the water. The new valve is a Zoeller 1 1/2" pipe. Are there any check valves that are super quiet, the pump is located in the basement right under a bedroom and the check valve is a bit disturbing. Thank you for your time concerning my issue.

    Thanks,
    Bill G.

  2. #2
    Join Date
    Feb 2010
    Location
    South*East
    Posts
    1,220

    Default Re: Sump pump check valve noise

    Try this one it has a rubber check instead of a metal one.

    http://www.homedepot.com/buy/plumbin...lve-41615.html

    John

  3. #3
    Join Date
    Dec 2010
    Posts
    2

    Default Re: Sump pump check valve noise

    Thanks John,

    I will try this valve, the one that is already installed is located about three feet above the pump, I was thinking of placing the check valve at the base of the pump, it would be under a little bit of water all the time and the water may help reduce some of the noise that valve make. Any ideas on that?
    Thanks,
    Bill G.

  4. #4
    Join Date
    Oct 2009
    Posts
    4

    Default Re: Sump pump check valve noise

    I had the same problem after I replace my primary sump pump. I don't know why, but the original check valve (metal) became very noisy. Was fine before I replaced pump. I replaced it with a rubber check valve, and went one step further. I built an enclosed box for the check valve and the discharge pipes with a material called Homasote 440 Sound Barrier. With the house dead quiet you can barely hear the pump cycling. Purchased at Menard's. A 4x8 sheet costs approx. $20, and it's mold resistant.

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