Identify this fixture

Discussion in 'General Plumbing Help' started by Districtwolf10, Nov 26, 2019.

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  1. Nov 26, 2019 #1

    Districtwolf10

    Districtwolf10

    Districtwolf10

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    Moved into a house with older plumbing that my in-laws own. Thier handyman didn't know what this fixture is. It has two holes, one on each side and water bubbles out of the holes. It is tapped into a water supply line and the bottom pipe goes into the basement floor. What is this? 20191126_072935.jpg 20191126_073106.jpg
     
  2. Nov 29, 2019 #2

    SHEPLMBR

    SHEPLMBR

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    trap primer for a floor drain maybe.
     
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  3. Nov 30, 2019 #3

    Jeff Handy

    Jeff Handy

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    Very likely, based on proximity to a laundry area, and it looks like it is heading down to the slab.
     
  4. Nov 30, 2019 #4

    Jeff Handy

    Jeff Handy

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    FYI Districtwolf10, a trap primer just sends an occasional small supply of water into a trap to keep it from drying out, which keeps the sewer gases contained.
     
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  5. Nov 30, 2019 #5

    Jeff Handy

    Jeff Handy

    Jeff Handy

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    I’m not certain, but I think when the washing machine uses cold water, the pressure drop in the cold supply pipe activates the trap primer valve, to let a little water out down that copper line, into the floor trap.
     

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