vent odor trap

Hello everyone first time posting, Not sure what I got myself into, but it's too late to turn back. My laundry room originally was designed to stack the washer and dryer, we decided to take out the non bearing wall seperating the restroom and the laundry room to give us more space and have the...

Hello, I want to add a bend to my vent stack before it goes through the roof. Is this ok to do? The vent serves one shower drain and one toilet drain. See photo. Green is what it does currently. NOTE: I'd like to REMOVE the GREEN LINE entirely, and replace with the yellow line. Will this still...

I have a little sink with very tight clearances and several months after the completed house I noticed a foul smell and traced it to a small sink in a small bathroom. The plumber suggested I put a p trap in the wall in addition to the bottle trap on the sink. I have isolated the smell to this...