What is drain-waste-vent?

Answer

'Drain waste and vent piping' are the two most significant elements in plumbing. These are the techniques that transfer water away from your home. Vent system is also an essential requirement by the building code, as it stops the water to move out of the traps that are under sinks. Moreover, the other main function of this system is to allow gases to escape. It also helps wastewater to drain properly by relieving air pressure.
Q&A Related to "What is drain-waste-vent?"
1. The most important step of building a DWV system is the design stage. Every sink, tub, toilet and drain needs to be vented to the outside through a vent stack. If you are adding
http://www.ehow.com/how_4769645_drain-waste-vent-s...
Plumbing drain vents equalize the pressure in drain piping in order to preserve trap seals on plumbing fixtures. Blocked or improperly sized vents can cause traps to dry allowing
http://wiki.answers.com/Q/What_are_plumbing_drain_...
Spray some Fabreeze around all the rooms affected and light some ensence. You’re done.
http://answers.yahoo.com/question/index?qid=201002...
OK Dave, Let's try another approach with these questions: Could a drain line have settled and lost pitch? This will cause a slow drain for sure even if the pipe is clear. Could there
http://en.allexperts.com/q/Plumbing-Home-1735/2011...
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