I am running a vent line for a sink that has a 1 1/2 in drain line.
When I come off the top of the tee and go about 4 feet up can I 90 the 1 1/2 vent over to a 2 inch vent line that reduces to a 1 1/2 that ties into the three inch vent line.
This would eliminate getting on a 12 12 pitch roof.
When I come off the top of the tee and go about 4 feet up can I 90 the 1 1/2 vent over to a 2 inch vent line that reduces to a 1 1/2 that ties into the three inch vent line.
This would eliminate getting on a 12 12 pitch roof.
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