Washing machine & Condensate pumps outlet

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Pellman, Oct 15, 2005.

  1. Pellman

    Pellman New Member

    Oct 15, 2005
    My furnace condensate pump and dehumidifier pump currently pump to the outside of the house through simple flexible tubes drilled through the wall. Both are in the basement, which does not have a sink. I think that the water that is being pumped outside may be contributing to a moisture problem on the basement wall, not to mention that they periodically freeze up during the winter.

    My only existing drain in the basement is for my washing machine, which is connected to the drain line by a hose and clamp. The drains are halfway up the walls, and the washing machine line has a check valve in it.

    What is a good way to get all 3 items (washing machine, furnace condensate, and dehumidifier) using the drain that just the washing machine currently uses?

    Thanks for the help.
  2. kordts

    kordts In the Trades

    Oct 15, 2005
    industrial service plumbing foreman
    exurban Chicago
    Cut a tee into the w.m. riser and trap it. Then pipe the condensate and humidifier into it.

    Peace out,

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  4. Lakee911

    Lakee911 I&C Engineer (mostly WWTP)

    Aug 23, 2005
    I&C Engineer (mostly WWTP)
    Columbus, OH
    Technically doesn't need a trap because the condensate pump doesn't allow the sewer gasses to come back through the drains. Pump hould have a check valve in it too. You could put a tee in the washer drain pipe and then adapt it down to 1/2in threaded where you can then put a barbed fitting on it and connect up your pump drain. Did this in my own basement (used cleanout for kitchen sink drain though) the other day.

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