airvent

I thought I had fixed the issue by adding an additional air intake to the line but the other day the tenant drained the washer and then water was pouring out of the sink/drain, I'm wondering if it's because there may be a clog where the new pvc wastlines from the kitchen, meet an existing 2"...

Pop up drain bathroom sink by David s posted Apr 29, 2018 at 9:00 AM How to i properly add an air vent for my bathroom sink. Water fills up, the lines cleaned up, my whole sewer lines new, and its pretty obvious that pressure is building up at P trap due to lack of air vent