Re: Installing drain vents
Reason being, if the drain from the upstairs bathtub plugs just downstream of the Y for the vent, IF you tied into that vent where you see it go through the ceiling, the wastewater could flow into the vent for the basement fixtures, with the possibility of plugging the vent or backflowing into those fixtures.
Originally Posted by johnjh2o
The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.