Description
The Universal Air Admittance Valve (AAV) is a reliable, self-venting solution designed to regulate airflow within waste and soil pipe systems. Automatically admitting air when negative pressure occurs, it prevents siphonage, protects water seals and helps maintain efficient, odour-free drainage throughout the property.
Key Features
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Universal Fit
Compatible with a wide range of waste and soil pipes, making it suitable for new installations or upgrades. -
Automatic Air Intake
Opens when negative pressure occurs in the system, preventing trap seal loss and stopping foul odours from entering the building. -
Non-Return Mechanism
Closes when not needed to maintain a hygienic barrier against smells and gases. -
Durable Construction
Made from high-quality, corrosion-resistant materials that ensure long-lasting performance. -
Quiet Operation
Designed for smooth airflow control without noise disruption. -
Compact Design
Small footprint allows installation in confined spaces such as cupboards, lofts or behind boxing.
Ideal For
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Venting branch or stack pipework
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Bathrooms, kitchens & utility rooms
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Refurbishment or retrofit projects
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Locations where external venting isn’t practical
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Domestic and light commercial drainage systems
Benefits
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Prevents foul odours and gurgling noise from pipework
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Protects water trap seals for reliable drainage performance
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Reduces the need for roof penetrations or external pipework
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Easy, flexible installation with universal compatibility
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Low-maintenance and efficient solution for modern plumbing systems




