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The air admittance valve (AAV) is a plumbing tool that plays a vital function in airing vent air into a water drainage system. It is created to allow air to go into the system when adverse pressure takes place while preventing unsafe drain gases from getting away. This innovation has actually reinvented modern-day plumbing, offering a much more versatile and less intrusive service to traditional venting systems. Just how Does an Air Admittance Valve Work? An air admittance shutoff runs on the concept of negative pressure within a water drainage system. Thi
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