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    Sgt Ande's Avatar
    Sgt Ande Posts: 1, Reputation: 1
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    #1

    Mar 23, 2009, 09:02 AM
    Intalling new toilet to exsisting drain in concrete slab
    I have a drain that goes from the kitchen sink to a laundry wash tub then to a floor drain. My question is what will I have to do to connect the toilet to the drain which will be between the kitchen sink and the laundry wash tub? Will I need a vent? Any other tips would be helpful. Thanks
    Todd
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #2

    Mar 23, 2009, 09:22 AM

    First, the drain has to be minimum 3". Do not connect toilet to 2" drain. It won't work. Second: by UPC, you will need vent for new toilet. However, you can connect this new vent with sink/laundry vents about 48" above the floor.
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