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Can you tell me why....????

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  • #16
    Re: Can you tell me why....????

    I think it's a good idea. I have thought for a long time all over head c/o should have a valve on the them

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    • #17
      Re: Can you tell me why....????

      Originally posted by saysflushable View Post
      I think it's a good idea. I have thought for a long time all over head c/o should have a valve on the them
      Might be handy at times but DOI would never approve.

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      • #18
        Re: Can you tell me why....????

        sump pumps are required to have a shut off and check valve. the valve is there to isolate the check and pump from the wash back of the drain line running above.

        problem is a typical ball valve or gae valve is not engineered for common gravity drains. if they had recessed threads, and a smooth porting, then it should have no ill affect on a gravity system.

        rick.
        phoebe it is

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