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Air admittance valve McAlpine 32/40 mm model 5510 for soil and waste plumbing
Summary description:
McAlpine air admittance valve model 5510 fits 32 mm and 40 mm pipe connections and is designed for soil and waste plumbing systems to admit air and prevent siphoning of traps. The valve enables venting without roof penetrations, reduces odors and maintains water seals in traps. Suitable for domestic and light commercial drainage installations and easy to install under worktops or in service voids.