catk9
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I am planning to install a new toilet. From the closet flange I was planning on running a short section of 3" pipe straight down to a 3x3x2 wye where the vent would take off. What is the proper fitting I should use to go horizontal. A 90 or a combo. This branch drain will be 6 to 8 feet long where it will connect to the main 3" drain line by using a combination fitting and 1/8 bend.