Home / Plumbing / Brassware / Air Admittance Valve (Grey) Customer matched zone "UK" View basket “Brass Air Vent Key” has been added to your basket. Sale! Air Admittance Valve (Grey)£36.66 Original price was: £36.66.£27.99Current price is: £27.99. This product is available for pickup in Orpington. Air Admittance Valve (Grey) quantity Delivery Store Collection SKU: 23270WC01 Category: Brassware Tag: Plastic Fittings Product ID: 6618 Reviews Related products Sale! Cp Rad Extension Piece 20Mm £2.16 Original price was: £2.16.£1.99Current price is: £1.99. Add to basket Sale! 22Mm Dzr Cxc Bs Gatevalve £8.61 Original price was: £8.61.£6.99Current price is: £6.99. Add to basket Brass Air Vent Key £0.53 Add to basket 1/2″ Bsp Brass Air Vent Cp £1.54 Add to basket