Drainage valves
Find and specify drainage valves from top manufacturers with NBS Source. Browse 2 products that are ready to use on your projects. Classification Pr_65_54_24.
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Terrain P.A.P.A and Pleura Vent Systems
Verified 12 days ago
Polypipe Building Services
Replaces extensive ventilation pipework - saving material and installation costs. Allows more flexibility in the design of internal drainage systems. Eradicates transient air fluctuations.
Marley Studor Active Drainage Ventilation
Verified 27 days ago
Aliaxis
Studor P.A.P.A. (Positive Air Pressure Attentuator) and Studor air admittance valves provide a complete active drainage ventilation system.
Showing 1-2 of 2