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    ryetman's Avatar
    ryetman Posts: 1, Reputation: 1
    New Member

    Oct 15, 2013, 07:32 AM
    Laundry tub faucet question
    My laundry tub attached to the faucet is a tube which leads down to a drain in the basement floor. We have hot water constantly dripping into this tube then to the drain. Why is that tube there. We are just wasting hot water.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,824, Reputation: 1211
    Senior Plumbing Expert

    Oct 15, 2013, 09:08 AM
    I suspect that what you have there is a TRAP PRIMER of sorts. Here, your floor drain needs to remain "wetted" at all times to keep it from drying out which would allow sewer gasses to enter your home. A picture would help to confirm this... ;)

    They also make a "waterless" trap primer... perhaps that would be more to your liking! Check it out @ Home: SureSeal Waterless Floor Drain Trap Sealer

    Back to you...

    ma0641's Avatar
    ma0641 Posts: 15,681, Reputation: 1012
    Uber Member

    Oct 15, 2013, 11:58 AM
    If it is a trap primer, switch the supply to the cold water side. An alternative, although not necessarily code, would be to turn the water off and make sure to keep water in the trap. A photo would help.

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