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Plan a Remodel with the Perfect Plumbing Vent DiagramPlumbing vent diagram imagery will help ... an increasingly common venting alternative is the installation of an air admittance valve (AAV). If two fixtures are on opposite sides of a wall ...
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Everything You Need to Know About Plumbing a Kitchen Island SinkPlumbing vents (a network of pipes that ... The other uses a mechanical vent known variously as an air admittance valve (AAV), Studor valve or “cheater” valve. So which method is better?
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