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Greetings, I hope everyone is well today! Please refer to the image attached. I would like to use an old 1-1/2" laundry floor inlet for shower and upgrade laundry to utilize a 2" floor hub to which only one sink was originally hooked up. The distance from the new laundry trap to the vent at the...

Hello! I hope everyone is have a nice day! I am re-piping copper with PEX. My sink and toilet are right next to one another. Instead of "tee-ing" the cold water pipe for the toilet behind the wall I thought it could be more efficient to use a dual stop valve and split at the sink. Is this...

The hood duct needs to run through kitchen ceiling and vent out in a wall (not roof). My joists are 2 x 8 with the ceiling drywall dating back to the 1950s. What is the max duct diameter I can install in my joists space? Is there any clearance (air gap) consideration between the pipe and joists...

Residential project, all standard pipe sizes. Need to re-locate kitchen sink 17 feet away from its original location. Planning to use AAV instead of extending a vent pipe. To the best of my knowledge the slope should be no less than 1/4" per foot. Is there a limit on the max angle? Any other...