Basement Bath Drains: Simple, Code-Smart Layout (plumbing101.i234.me) Question I am remodeling a bathroom with a shared kitchen stack. The lav and kitchen share a 2-inch line in the wall. A 2-inch branch under the floor serves the tub or shower. The toilet will sit over a 4-inch hub to the main drain. How should I… Continue reading Basement Bath Drains: Simple, Code-Smart Layout