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A catch air admission shutoff is a details kind of air admittance shutoff that works in conjunction with the trap in a pipes system. The catch is a U-shaped area of pipe located under sinks, showers, and other fixtures that assists obstruct sewer gases from going into the home. The catch holds a percentage of water, which produces a seal in between the drain and the component line. How a Trap Air Admittance Valve Enhances Drainage A catch air admission valve ensures that air is admitted into the system whene
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