Re: Moving tub drain
Posted by Terry Love on June 18, 2002 at 20:04:12:
In response to Re: Moving tub drain

: I am relocating a tub in my 50's era house. I also intend to install a hand spray shower head. The drain runs below floor which is a concrete slab. I have exposed the drain line to the p-trap to inspect. The steel connector is in bad shape. My questions are as follows:

: 1. The floor drain will be moved only about 2.5 feet. Can I simply relocate the drain and run it to the cast iron trap in that distance, or will I need to reconfigure the entire waste line?

I would remove the p-trap and extend the pipe to the new location, adding a trap there. The 2% grade should be maintained.

: 2. What is the best way to remove the threaded steel drain connection? It is literally dissolving.

You can cut the pipe and using a coupling, use plastic pipe the rest of the way.

: 3. If I install a shower head, do I need to increase the drain size, and should it be vented? It is a second bathroom, and will not be used too much.

I don't understand this one, the shower head doesn't add more water, the drain should be fine. The drain should be vented, as always.

: 4. The tub I want to install is 66" and the space is 68". Should I frame in the space first and slide the tub in, or place it and then make up the inch or so on each side. (the room has plenty of space to move the tub into position so it can be slid into space)

I think it's easier to frame first.

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