Re: Sanitary Tee vs. Vent Tee
Posted by Sylvan on March 16, 2004 at 16:23:51:
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.

Yes the WYE would cause the same problems if used as a vent fitting IF facing in the against the direction of flow And if you faced in the direction of flow you will not get the full venting effect.

That is why I use a VENT TEE

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