Products tagged with 'external air admittance valve'

The Polypipe SPV110B Air Admittance Valve 4in/110mm is a high‑quality PVCu solvent socket valve designed for 110 mm soil/vent systems. Suitable for external use, it allows air into wastewater drainage and prevents foul gases from entering the building. Certified to BS4514 & EN1329, it’s ideal for 4‑inch soil stacks in commercial or domestic installations.

The Polypipe SPV110G is a 110mm air admittance valve (AAV) designed to prevent siphoning in soil and vent pipe systems. Made from durable PVCu with a solvent socket connection, it ensures a secure, leak-free installation. Suitable for both internal and external use, this valve allows air to enter the pipework when needed, maintaining correct pressure and improving system efficiency. Compliant with BS EN 12380 standards, the SPV110G is ideal for domestic and commercial plumbing applications, offering a compact and reliable solution for ventilating waste pipe systems.