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Identify Pipe Mismatch

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Best Way To Connect Old Copper Drain Pipe To New Plastic Drain Pipe! #plumbing #ridgid #diy

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What happens here

Observe the two pipes that need to be joined. In this case, it's an older copper drain line and a newer ABS plastic drain line. Notice that the ABS pipe does not fit snugly over or inside the copper pipe; there is a size discrepancy where the ABS pipe is slightly larger.

Goal: Plumbing Pipes Installation (Standard)

Tools and materials

  • ABS Pipe
  • Copper Pipe

What they say

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How do I connect this old school copper drain line to this new school ABS drain line? You can see the ABS is actually just a little bit bigger than the copper. And so that's why they make this awesome no hub adapter. You can see right here that this side, this rubber, there's a lot more meat on it, and it actually works really well with this skinnier pipe. So you're just able to stick that right on there,

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