An item that does exactly what it says it will, the McAlpine Air Admittance Valve is a valuable addition to any of your bathroom fixtures and fittings.
McAlpine VP100 Air Admittance Valve
Ventapipe 100 with dual fit synthetic rubber seal outlet for 3" / 75mm or 4" / 110mm soil pipe.
Complies with standard: BS EN 12380:2002
For use in above ground drainage systems to provide a means of ventilation under conditions of reduced pressure when ventilating pipes are terminated inside buildings in accordance with BS EN 12056-2:2000
For 4" / 110mm soil pipe push over rubber seal, for 3" / 75mm soil pipe push in to rubber seal.