Best Plumbing Layout for Dishwasher, Disposal, and AAV?

Question:I’m setting up a 2″ drain in front of the dishwasher and disposal outlet. Due to other plumbing and HVAC obstructions, I can’t move either of these fixtures. I also need to install an air admittance valve (AAV) and a garbage disposal. I’m unsure which layout is best: the first setup with a bunch of… Continue reading Best Plumbing Layout for Dishwasher, Disposal, and AAV?

How to Plumb a Double-Sink Disposal

How to Plumb a Double-Sink Disposal (plumbing101.i234.me) Question I am installing an InSinkErator Badger 5 (1/2 hp) under a double sink. There is no dishwasher. The disposal outlet lines up with the horizontal pipe that feeds a tee, then a single P-trap, then the wall drain. The manual mentions two traps. The disposal also features… Continue reading How to Plumb a Double-Sink Disposal