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Thread: Shower drain gasket is too large for 2" drain pipe, what to do?

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  1. #1
    DIY Junior Member Bratan's Avatar
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    Question Shower drain gasket is too large for 2" drain pipe, what to do?

    Hello!

    I was wondering if someone could give me an advice about installing shower drain. This is my first time doing it. I'm basically replacing shower pan/tub and drain assembly. My drain pipe is 2" metal (copper?) and I bought a no caulk brass drain (made by Oatey) form Lowes. I was surprised to find out that it's a lot bigger (by about 1/2") than my pipe. Rubber gasket simply slides over the pipe, not even touching the walls I've read instructions and watched videos on how to do it, and it suppose to be pretty snug on the pipe. Am I doing something wrong, or drain is simply wrong size (it does say for 2" pipes on the label)? Or is it meant for PVC pipes that have thicker walls?
    I appreciate any suggestions

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    Plumber jimbo's Avatar
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    Yes, your drain is meant for schedule 40 pipe, meaning ABS, PVC, etc. There is probably a gasket available for the copper pipe,

  3. #3

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    Quote Originally Posted by jimbo View Post
    Yes, your drain is meant for schedule 40 pipe, meaning ABS, PVC, etc. There is probably a gasket available for the copper pipe,
    I totally agree and you are correct.

  4. #4
    DIY Junior Member Bratan's Avatar
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    Quote Originally Posted by jimbo View Post
    Yes, your drain is meant for schedule 40 pipe, meaning ABS, PVC, etc. There is probably a gasket available for the copper pipe,
    Thank you! Crazy... oh well, I hope I can find right one

  5. #5

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    Quote Originally Posted by Bratan View Post
    Thank you! Crazy... oh well, I hope I can find right one
    You need an Oatey 101 series Model number 42050. Verify with oatey tech support that it caulks to the brass drain with a rubber grommet/bushing and caulk ring.

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    DIY Junior Member Bratan's Avatar
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    Quote Originally Posted by Hackneyplumbing View Post
    You need an Oatey 101 series Model number 42050. Verify with oatey tech support that it caulks to the brass drain with a rubber grommet/bushing and caulk ring.
    Thanks! I wasn't able to find that specific part anywhere, but found a gasket (model 42158) that should work for copper pipe and compatible with my drain (42150). Only one store sells it tho, and shipping is 4x price of the gasket, but oh well If anyone interested I'll report if it fits once I receive it.

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