Shower Drain


  #1  
Old 07-29-00, 03:01 PM
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I am changing a basement shower which is twenty years old. The old drain is attached to a cast-iron pipe, and it seems to be soldered together. The new drain is plastic. How do we adapt the new drain to the old pipe? (And how do we get the old drain off?)
 
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Old 07-29-00, 04:51 PM
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Do you have access to the outside of this drain pipe, or is it buried in concrete? Some of the things you have told us just aren't adding up. If this is cast iron pipe that "seems to be soldered together", it isn't. It is joined with a lead and okum caulked joint. If that is the case, it has to be older than you think -- lead and okum joints were outlawed in the mid-sixties. After that, cast iron joints were done with no-hub collars -- a neopreme sleeve, wrapped in a stainless steel band, with hose clamps on each end. If indeed this joint is soldered, the pipe has to be copper. It could be that it is so corroded that it APPEARS to be cast iron.

You will need to gain access to the outside of the pipe with enough room to cut it, regardless of what it is. To convert from cast to ABS, use a neopreme coupling. To convert from copper to ABS, solder a female thread adapter to the copper and glue a male thread adapter to the ABS
 
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Old 07-29-00, 05:31 PM
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quote:<HR>Originally posted by PlumbFools:
I am changing a basement shower which is twenty years old. The old drain is attached to a cast-iron pipe, and it seems to be soldered together. The new drain is plastic. How do we adapt the new drain to the old pipe? (And how do we get the old drain off?)<HR>

You were right, Lefty. We heated the lead up and the old drain came off. Thanks for your advice.

 
 

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