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    Davisco10's Avatar
    Davisco10 Posts: 2, Reputation: 1
    New Member
     
    #1

    Sep 2, 2015, 01:20 PM
    Attaching new shower drain to old cast iron plumbing
    I am installing a shower/bathroom in my basement. I have a cast iron drain pipe stub sticking out of the concrete floor. What is the best way to attach a new shower drain to this drain pipe. I will ultimately be building a concrete shower pan for custom tile install. Thank you.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #2

    Sep 2, 2015, 08:38 PM
    You purchase cast iron shower drain head that slips directly over the cast iron pipe. Tighten up 3 stainless steel bolts and you are ready to go. See the attachment.

    Hope that helps

    Milo
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    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
     
    #3

    Sep 3, 2015, 04:21 AM
    I have a cast iron drain pipe stub sticking out of the concrete floor.
    Is this a shower drain or is it a floor drain. Suspect it is just a floor drain unless this area was roughed in for a bath.
    Davisco10's Avatar
    Davisco10 Posts: 2, Reputation: 1
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    #4

    Sep 3, 2015, 06:07 AM
    Quote Originally Posted by hkstroud View Post
    Is this a shower drain or is it a floor drain. Suspect it is just a floor drain unless this area was roughed in for a bath.
    It is a shower drain already roughed in and leads over to the 4" waste pipe for the toilet. There is also a floor drain a few feet away that the HVAC system is draining into.

    Quote Originally Posted by Milo Dolezal View Post
    You purchase cast iron shower drain head that slips directly over the cast iron pipe. Tighten up 3 stainless steel bolts and you are ready to go. See the attachment.

    Hope that helps

    Milo
    Should I be busting out some of the concrete and cutting the pipe lower to get the head lower? Or, since I am building up a mortar shower base... just build up around this drain? Thanks.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #5

    Sep 3, 2015, 07:15 AM
    For the Cast Iron shower drain head to fit in - and to have the flat part of the bottom of the shell to be at the same lever as the existing floor - you would need about 2" a space around the pipe and about 2" deep.

    Yes, you could build it up with mortar, but that would bring your shower floor ( an the curb ) another (about ) 2" higher.

    Hope that explains

    Milo

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