The Large Air Admittance Valve (Ayrlett) is designed for 3" or 4" pipe systems, accommodating up to 500 DFU. This valve allows air to enter the drainage system while preventing sewer gases from escaping, ensuring a safe and efficient plumbing environment. Made from durable materials, it is suitable for both residential and commercial applications. Its compact design allows for easy installation in tight spaces, and it complies with industry standards for performance and safety.
