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

    Jul 29, 2008, 05:28 PM
    Cast iron or PVC drain?
    We are in the process of replacing an all tile shower. The plumber has brought over a new drain kit which is cast iron. The drain in the concrete floor is pvc. And our tile man is concerned about a secure seal since they are two types of material. He is trying to prevent any future leakage which would settle under the shower pan should there be a back-up. Any advice? KD
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #2

    Jul 29, 2008, 05:34 PM
    Your tile-man is correct: if you have PVC pipes in the ground - than use PVC trap. But, it is perfectly OK to use Cast Iron shower drain that mounts over PVC riser.
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