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?