horizontal

I am installing a new linear shower drain. What I hope to do is install the new drain upstream of the 1.5” dry vent, however there is already one 2” vented drain that discharges just above the vent (originates at my washing machine). Reading code 909.2, it appears that I should not install the...

I am remodeling my basement and would like to plumb the waste pipes up into the floor joist to give more head room. I have two instances where they plumbed to vertical to horizontal transition using tees. Because of limited vertical space, to get the proper pitch, I am going to need to use a Wye...