Plan a Remodel with the Perfect Plumbing Vent Diagram
This requires an air passageway behind the water. Why Is Venting Necessary? Try quickly emptying a bottle with a narrow mouthit will gurgle and glug as it slowly drains. Credit: Dustin Peck Conversely, opening the vent cap on a plastic gas container lets the liquid flow smoothly. The vent hole allows air to enter behind the liquid, producing a quick, glug-free flow. Vent stacks in home plumbing systems work the same way....