Tying in to a Plumbing Vent Stack #vent #line #plumbing

Posted On Aug 13 2017 by

# Tying in to a Plumbing Vent Stack Vent covers keep the vent stack free of obstructions. Venting is required in a plumbing drain system to maintain atmospheric pressure in the pipes. Without proper venting, flowing water creates negative pressure that can slow water flow and empty P-traps. Every fixture must have its own vent that must terminate in open air, but in most houses, only one vent pipe goes through the roof. The fixture vents all tie into this pipe, which is called the main vent stack. The Main Vent Stack The main vent is stack is often, but …