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The air admission valve (AAV) is a pipes device that plays an important duty in airing vent air right into a drain system. When negative pressure takes place while stopping hazardous sewer gases from getting away, it is made to allow air to enter the system. This modern technology has transformed contemporary plumbing, providing a much more flexible and much less invasive solution to traditional venting systems. Just how Does an Air Admittance Valve Work? An air admission valve operates on the concept of unf
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