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 What is an air admittance valve?

Answer Used in plumbing, an air admittance valve (AAV) allows waste water to flow in one direction, but prevents it from passing back toward its source. The valve is activated by pressure and uses an air ... Read More »
http://www.answerbag.com/q_view/2245873

Top Q&A For: What is an air admittance valve

How to Plumb a Kitchen Sink With an Air Admittance Valve?

Kitchen sink drains must be vented properly to keep sewer gases from building up your house's plumbing system. An air admittance valve (AAV) allows you to easily vent the drain for a sink without ... Read More »
http://www.ehow.com/how_6404746_plumb-sink-air-admittance-valve.html

What can I say to not be denied admittance to a mental facility?

Ditto to Baby Blues...Your question is ambiguous.....Spell it out with clarity.
http://answers.yahoo.com//question/index?qid=20120826195100AAQ6glJ

How to Plot Admittance on a Smith Chart?

The ability to use a Smith Chart allows an RF engineer to replace complex algebra with some simple geometric constructs. This How-To assumes the reader has some familiarity with a Smith Chart, as w... Read More »
http://www.wikihow.com/Plot-Admittance-on-a-Smith-Chart

Are air admittance valves allowed to be used on plumbing systems in Arlington Texas?

Answer Check local codes or call your local building department and hope that the local authorities were honest enough to have prevented these devices from being installed and said no to putting pe... Read More »
http://wiki.answers.com/Q/Are_air_admittance_valves_allowed_to_be_used_on_plumbing_syst...


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