Installation Instructions For Plumbing Drain And Vent Pipes Using Sanitary Tee's
https://www.homebuildingandrepairs.co... Visit our website for a more efficient way to view our home building, plumbing and remodeling videos. Here's more information about using sanitary tees for a plumbing drain and vent system. Ever wondered why you install sanitary tees right side up and then upside down or why they need to be installed one way on not another, well watch the video to find out why.