I got it drilled, and I'm going to go look for that piece now.. I believe I saw it.
I placed the tee like that because I thought the water goes straight from the 90 into the tee, does the water actually go up towards the vent and then down to the tee?
I placed the tee like that because I thought the water goes straight from the 90 into the tee, does the water actually go up towards the vent and then down to the tee?