dry vent

I am working on a remodel of a shower that was originally wet vented. Currently the shower ties into the main 4" sewer line downstream of a toilet, so I would like to add a dedicated dry vent to help prevent any siphoning of the shower p trap from occurring. In the sketch below, is it...

I'm trying to get a wall hung toilet installed in my condo but my application got rejected because as I understand it, that the wet vented drain for the WC has to be at the same elevation or lower than other wet vented plumbing group fixtures such as the shower (I assume it is to prevent risk of...

Hey everyone, I need to add a tee to my vent stack to accomodate a new sink. Current sink horizontal vent arm is at 36 which is too low and I need to bring it up to 42 to be above the 6 inch flood rim rule with my ne2 vanity. Old vanity was mounter at 30. New one will be around 34 ish. I already...

Hi, my state is under IPC 2012. Via google I found some threads that discussed the use of the low heel inlet bends but there seemed to be some dispute about whether or not they could be used for water closets due to some wording in the code. I think...

I am adding a bathroom to my upstairs and want to make sure my venting is correct. I will be tying my sinks, toilet, and shower together. My shower venting is a little weird and want to make sure it works. The shower is in the middle of the room and because of that I need to run about 4 feet...

Hello, I am a first time poster to the site. I am working on a 2nd floor bathroom remodel and have a question pertaining to the re-routing of the main stack vent. Currently the stack has two, 45-degree fittings in order to navigate the vent into the existing wall (left picture). My (current)...

I need to get a vertical dry vent line around a joist. My understanding is 45 or greater is considered vertical. Will the California plumbing code allow rolling the vent line around a joist with 45s?