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Thread: Replace 2 " galvenized at vent stack

  1. #1

    Default Replace 2 " galvenized at vent stack

    My house is 50yrs+ old and I am remodeling the downstairs bathroom. Since I have plumbing and drains exposed, I would like to replace the galvenized to PVC for the upstairs shower/tub drain. After I cut the 2" galvenized pipe close enough to the vent stack that I can still get a flex coupler attached, should I attempt to unthread the rest from the vent stack? How difficult will this be since I can't even break it loose to unscrew it from up above (hence cutting it instead)? The old galvenized pipe looks rusted at the vent stack and some of the old lead seal is coming out, but I"m afraid to break old vent stack it's looks in good condition and do not want to go down that road! Is there a way to make it easier to remove pipe from vent stack without breaking stack?

  2. #2
    Master Plumber Redwood's Avatar
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    Lisa, Can you post a picture of this connection?

  3. #3

    Default At vent stack

    Quote Originally Posted by Redwood View Post
    Lisa, Can you post a picture of this connection?
    Hopefully this works
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  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
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    If your camera has a macro mode, try that...it's hard to tell from what you've posted. Depending on the camera, it may be an icon like a flower or something like that. That will allow it to focus closer.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  5. #5
    Master Plumber Redwood's Avatar
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    Or just back up a foot...
    that would be much better.

  6. #6

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    maybe this is better
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  7. #7
    Master Plumber Redwood's Avatar
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    I would just cut the pipe and attach the new to the stub using a Fernco Proflex banded rubber coupling....

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