JLC Field Guide: Vents

The purpose of a plumbing vent is to break the suction and allow water to drain quickly while preserving the trap seal that keep sewer gas from wafting into the house.

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Vents Featured Articles

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The Down & Dirty on DWV

A plumber explains how vents and traps work and how to solve some difficult venting problems. More

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Plumbing Venting Explained

Ever wonder why the plumber insists on notching and boring the framing to run all... More

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Plumbing Pitfalls For Bathroom Remodels

From corroded pipes and antique fixtures to limited access and impossible working... More

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The Dirty Dozen - Common Plumbing Service Calls

Take a tour with a master plumber as he makes the rounds of the twelve most common plumbing repairs. More

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Vents Instruction Articles

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Pressure-Testing Exit Plumbing

Balanced ventilation minimizes areas of negative pressure that can contribute to sewer gases being drawn inside through an open sewer pipe. More

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Maximum Length for Fixture Drains

To prevent a siphon from forming, make sure the drain pipe connects with the vent... More

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Connecting a Dishwasher Drain Hose

Is it better to run the dishwasher drain into the kitchen sink drain or directly into the waste line? More

Tags: Plumbing, Kitchen, Appliances, Drain Entrapment, Drainage
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Winterize & Maintain Your Tankless Water Heater

Tankless water heaters are fantastic units but they do need more care &... More

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Rookie Builder Mistakes - Part 3 - Plumbing

Plumbing is a huge topic and isn't easy to cover in one blog post but here's a few... More

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