Understanding How Drain-Waste-Vent Plumbing Systems Work
Wednesday, March 3rd, 2010The term drain-waste-vent, or DWV, when used in conjunction with describing plumbing systems is a system in which sewage and waste are removed from a building and gases are vented. Waste enters the DWV from plumbing fixtures such as toilets, sinks and showers, and exits the fixtures through a trap, which is a dipped section of pipe that always contains water.
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