How To Move Bathtub P-Trap/Drain - Plumbing - DIY Home Improvement | DIYChatroom

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Old 01-11-2011, 08:20 PM   #1
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How to Move Bathtub P-Trap/Drain

I removed my old steel tub tonight from my second floor bathroom but when measuring for the new tub it is obvious the drain and p-trap are not in the right location (about 5 inches too close to the front wall). The pipes are ABS. Can someone walk me through the steps of how I move the plumbing to the correct location (basically I wish I could simply rotate the p-trap, as that would put the vertical line right where I need it but I assume this won't be that simple and might involve a hacksaw?!?) I know nothing about ABS and do not want a leak obviously. Thanks!! Heather


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Old 01-11-2011, 09:06 PM   #2
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Are you saying you just need to extend your p-trap and drain assembly by 5 inches? The correct way would be to use aBS couplers joined to an added length of abs pipe with ABS solvent compound for ABS pipes. You may prefer to use Fernco hubless couplers available at most home improvement stores. They simply joint two pieces of drain pipe together with a hose clamp on each end. With two of those, you can join the added length of pipe in without messing around with solvent cement.


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Old 01-11-2011, 09:49 PM   #3
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You will need the rough in dimensions from the new tub you plan to install. You should be able to reuse the p-trap assembly. Using two couplers and a short piece of ABS, you should cut the drain line somewhere after it exits the trap and glue in the extensions.

If the drain needs to move left or right, use a new trap and adjust it to match your rough in values.
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Old 01-12-2011, 10:00 AM   #4
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Thanks for the advice, sounds fairly straight forward. Hopefully no leaks at the end.
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