Need help identifying backwater valve

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Donny Jilek, Dec 9, 2020.

  1. Donny Jilek

    Donny Jilek New Member

    Joined:
    Dec 9, 2020
    Location:
    Illinois
    Valve is from a house that was built mid 70s. Need help identifying brand and if still around. Thank you in advance
     

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  2. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Have you checked with your company service dept?
     
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  4. Tuttles Revenge

    Tuttles Revenge In the Trades

    Joined:
    Oct 15, 2014
  5. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    My first thought is this guy is a collector.

    My second and third thoughts were that his basement flooded and ....
     
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  6. Donny Jilek

    Donny Jilek New Member

    Joined:
    Dec 9, 2020
    Location:
    Illinois
    I got some water in the basement, the plumber went through the valve and the flapper was corroded but cleared the main drain
     
  7. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    Flapper type sewage check valves are nearly guaranteed to leak. These are sometimes called normally closed. Debris will hold the flapper open after a while.

    There is a better type called a normally open backwater valve that only closed in backup situations.

    The gold standard in sewer backup protection is overhead sewers. Yes, it costs. There is another system that puts a pit in the yard. That pit has a normally open backwater valve, and a sump pump. The sump pump outputs injects downstream of the backwater valve.
     
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