Polyvinyl Chloride (PVC) Pressure Balancing Valve/PVC Membrane Aerator 32/40/50 mm.

Pressure Balancing Valve / PVC Membrane Aerator 32 / 40 / 50 mm Vacuum proof without roof crossing. (replaces primary ventilation). The valves can be used to partially replace the primary ventilations of separative falls of residential dwellings in accordance with article 42 of the standard departmental health regulation.The valve is placed vertically by simple gluing on the pipe located above the last level served by the EU or EV fall. The diameter of the valve should be similar to that of the fall. Features: Removes odours and gurgles. Improves drain. Prevents dismantling of the siphon. Removable valve. Fits on tube in 32/40 and 50 mm (reduction included). Dimensions: H 75 x 40 mm (without the reduction in 50 mm).