Re: Sanitary Tee vs. Vent Tee
Posted by Deb on March 16, 2004 at 21:24:41:
In response to Re: Sanitary Tee vs. Vent Tee
: Please excuise my noviceness of plumbing. I'm trying to learn as much as I can. Why would a "WYE" work in this situation? There is a horizontal run of drain pipe and he wants to add a vertical pipe for a vent. This seems to me that a 90 degree angle is needed to solve this. A "sanitary tee" would achive a 90 degree. A wye would extend off the horizontal drain line at a 45.

: Also I understand the problems of using a sanitary tee as you explained them, but wouldn't those same problems exist with a wye installed. Please expalin in simple terms, thanks.

I should have said a wye and an 1/8th bend (which makes a 90 degree angle). The bend on a san tee is too sharp. A wye and an 1/8th bend or a combination fitting gives you alot longer sweep. Regardless it is UPC code--the one I have to live with. I have seen inspectors allow a san tee on its back in the horizontal with the vent rising straight up when grade and/or space was a problem. It is not code. however.
The Pipewench

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