Mike Boston
New Member
Hi All, I need your advice.
We live in a high rise 13 floors building (1969) and our top floor apartment has 2 floors ( 12 and 13). Our top floor bathroom sinks constantly losing a water seal and passing sewer gases inside our apartment. It's very random and a lot of times its associated with heavy rain but today we had none with only thing different outside temp dropped below zero last night, sometimes we have this issue within 6-12 hrs from last use of this sink, sometimes within a few days/week).
I'm posting my pictures with measurements for you to spot any potential issues with this p-trap itself. As a side note, we do have another sink inside our 1/2 bathroom same top floor (across the wall)connected to the same vent stack just a little bit lower entry point into the main vent stack with no issues.
We already installed roof main vent stack back drafting Air Admittance Valve to eliminate high wind pressure from the roof back to the vent stack.
Similar to this one - https://www.zoro.com/studor-air-admittance-valve-pipe-1-12-to-2-in-20301/i/G2340764/
Thank you for your help,
Mike/Boston
We live in a high rise 13 floors building (1969) and our top floor apartment has 2 floors ( 12 and 13). Our top floor bathroom sinks constantly losing a water seal and passing sewer gases inside our apartment. It's very random and a lot of times its associated with heavy rain but today we had none with only thing different outside temp dropped below zero last night, sometimes we have this issue within 6-12 hrs from last use of this sink, sometimes within a few days/week).
I'm posting my pictures with measurements for you to spot any potential issues with this p-trap itself. As a side note, we do have another sink inside our 1/2 bathroom same top floor (across the wall)connected to the same vent stack just a little bit lower entry point into the main vent stack with no issues.
We already installed roof main vent stack back drafting Air Admittance Valve to eliminate high wind pressure from the roof back to the vent stack.
Similar to this one - https://www.zoro.com/studor-air-admittance-valve-pipe-1-12-to-2-in-20301/i/G2340764/
Thank you for your help,
Mike/Boston