Latest Discussions : Plumbing

Bob the Builder

04:05AM | 01/01/04
Member Since: 12/31/03
1 lifetime posts
Can I shorten the drain coming from the upstairs bathroom. Will a shorter drain interfere with it's draining. I would like to do this in order to have a uniform basement ceiling. I would need to remove just under 4 inches and add a couple of elbows.
Thank You

plumber Tom

09:54AM | 01/01/04
Member Since: 05/10/03
801 lifetime posts
Yes you can. As it leaves the trap on the tub this will be the highest pitch. You need 1/4" slope or pitch per foot. Avoid 90's if you can. Use 45's where applicable. Make sure you use DWV (drainage waste vent) fittings. Thes fittings already are designed 4 drainage. Good luck Bob and Happy New Year! Tom EDIT MESSAGE: The tailpiece coming off the bottom of the tee on the waste and overflow can be cut to suit your application. Keep the outlet side of the trap as high as you can just as it clears the bottom of the joist. Couplings can be used to re-join the drain line when you cut it.

[This message has been edited by plumber Tom (edited January 01, 2004).]

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