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Old 01-16-2014, 11:41 AM   #16
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Connecting ABS to PVC drain pipe


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Originally Posted by Eagle One View Post
So they are both 1 1/2" but the tubing is 1 1/2" from outside wall to outside wall and the pipe is 1 1/2" from inside wall to inside wall. Right? And I assume it is done this way so 1 1/2" tubing can fit inside 1 1/2" pipe without someone like me wondering how to match up pipes that LOOK like different sizes...haha
Not for necessarily for sliding od into id. Plumbers just like bigger pipes.

BTW, 1-1/2" pipe inside is nominal, not the actual size.
Tubing OD is actual size.

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Old 01-16-2014, 08:17 PM   #17
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Connecting ABS to PVC drain pipe


Quote:
Originally Posted by Eagle One View Post
So they are both 1 1/2" but the tubing is 1 1/2" from outside wall to outside wall and the pipe is 1 1/2" from inside wall to inside wall. Right? And I assume it is done this way so 1 1/2" tubing can fit inside 1 1/2" pipe without someone like me wondering how to match up pipes that LOOK like different sizes...haha
Kind of depends on the brand of tubular pvc that you get. Sometimes it will fit sloppily inside of 1-1/2" ABS and sometimes it will be very tight.

The adapter and the compression nut are what make the seal, and some brands of adapters have a stop inside so that the tubular won't slide past it into the ABS. It really just depends on what you get.
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Old 01-16-2014, 08:41 PM   #18
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Connecting ABS to PVC drain pipe


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Originally Posted by Alan View Post
Kind of depends on the brand of tubular pvc that you get. Sometimes it will fit sloppily inside of 1-1/2" ABS and sometimes it will be very tight.

The adapter and the compression nut are what make the seal, and some brands of adapters have a stop inside so that the tubular won't slide past it into the ABS. It really just depends on what you get.
And don't slide it in so far that you block off the 90 or the tee.......
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Old 01-16-2014, 09:38 PM   #19
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Connecting ABS to PVC drain pipe


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And don't slide it in so far that you block off the 90 or the tee.......
That's what my hammer is for.

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