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

    Jul 23, 2012, 07:19 PM
    Double y or t
    Can we use double y or t fittings in Massachusetts for double vanity sinks
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jul 23, 2012, 07:35 PM
    In Massachusetts you need a double sanitary tee fitting (see image)... ;)

    I attached a picture of acceptable drain setup (ignore the water pipes... only image I could find at google). If you need to know exactly why just let me know, OK?

    Mark
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    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Jul 23, 2012, 07:50 PM
    I agree with Mark, sanitary tee is not an ordinary Tee so pick your parts carefully
    puffmugs's Avatar
    puffmugs Posts: 184, Reputation: 21
    Junior Member
    		  
    #4

    Jul 23, 2012, 08:27 PM
    Ohio code says you must use a double sanitary tee. A double Y is illegal because the vent opening is lower than the waste openings. IMO the double Y is better because it is a better waste opening and you can snake out and get into waste, without going through the one side of double tee and into the other side and missing the waste opening, but I guess the code makers know better.
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