The Polypipe 110mm Polyvalve provides a highly effective solution for admitting clean atmospheric air into sanitary wastewater systems while simultaneously preventing the escape of foul sewer gases into the property. Commonly referred to as a Durgo valve, this air admittance component eliminates the need for extensive external vent pipework, simplifying the overall soil and vent infrastructure. The 0.448kg unit is manufactured from robust materials to withstand standard domestic and commercial wastewater environments, ensuring long-term reliability and compliant performance across diverse building layouts.

Designed specifically for integration with 110mm soil systems, this black solvent weld fitting offers a secure and permanent connection to existing pipework. The valve is fully certified to BS4514 and EN132 standards, ensuring total compliance with current UK building regulations for internal drainage ventilation. Its compact profile allows for discreet installation within roof spaces or boxed-in service voids, making it a highly practical choice for contractors dealing with restricted vertical service runs.

Q: What is the primary purpose of an air admittance valve?
A: It allows air into the drainage system to balance pressure without releasing foul gases.

Q: What size pipework is this fitting designed for?
A: This valve is manufactured to fit standard 110mm soil pipe systems.

Q: What installation method is required for this valve?
A: It requires a solvent weld connection to ensure a permanent and secure joint.

Q: Is this product compliant with UK building standards?
A: Yes, it is fully certified to both EN132 and BS4514 regulatory standards.