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    renoman's Avatar
    renoman Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 7, 2010, 03:12 AM
    Do I need a ptrap in shower drain in the basement
    I am installing a shower drain in my basement floor do I need a p-trap in the line
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Sep 7, 2010, 04:00 AM

    Hi Reno...

    You need a 2" drain pipe, a PTRAP and an 1.5" vent. The Ptrap keeps sewer gasses from entering into your home and a vent is needed to keep the waste water flowing in a "turbulent" and self-scouring manner that keeps the pipes from clogging over time.

    The 1.5" vent needs to tie into a vent in the basement or it needs to run upstairs and connect into a vent up there at a minimum of 42" off the finish floor.

    Any more questions just let me know...

    Mark
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Sep 7, 2010, 06:24 AM

    Are there any other fixtures neaerby such as a lavatory or a laundry sink? Washer stations don't count> Let me know, Tom
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