Flat
New Member
Hi,
I am currently adding an en-suite bathroom and have run into a bit of a problem. The existing toilet will now be drained into a 3" branch circuit and I am over the 8 FU's for a 3" wet vent to meet code (double lav w/ 1.5" traps, shower, bath, and w/c - all individually dry-vented elsewhere upstream). What are my options? I know the "trap arm" is effectively over at my new wye so the vent needs to be before it. Is my only option to add a vent from the vertical drop to the back wall (green line in picture)? The only fixture draining into the stack above this is the lav for the existing bathroom, the existing bathtub drains at the same height (left in picture). If the answer is YES I absolutely need that vent, is it something I can get away with for now? (it would involve tearing into the only bathroom that isn't currently in shambles). No inspections required here and that bathroom is next on my renovation list so it wouldn't be too long before I can address it properly.
Thanks!
I am currently adding an en-suite bathroom and have run into a bit of a problem. The existing toilet will now be drained into a 3" branch circuit and I am over the 8 FU's for a 3" wet vent to meet code (double lav w/ 1.5" traps, shower, bath, and w/c - all individually dry-vented elsewhere upstream). What are my options? I know the "trap arm" is effectively over at my new wye so the vent needs to be before it. Is my only option to add a vent from the vertical drop to the back wall (green line in picture)? The only fixture draining into the stack above this is the lav for the existing bathroom, the existing bathtub drains at the same height (left in picture). If the answer is YES I absolutely need that vent, is it something I can get away with for now? (it would involve tearing into the only bathroom that isn't currently in shambles). No inspections required here and that bathroom is next on my renovation list so it wouldn't be too long before I can address it properly.
Thanks!
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