Home / Plumbing / Brassware / Air Admittance Valve (Black) Customer matched zone "UK" View basket “1/8″ Bsp Auto Air Vent” has been added to your basket. Sale! Air Admittance Valve (Black)£37.02 Original price was: £37.02.£27.99Current price is: £27.99. This product is available for pickup in Orpington. Air Admittance Valve (Black) quantity Delivery Store Collection SKU: 23271WC01 Category: Brassware Tag: Plastic Fittings Product ID: 6619 Reviews Related products 15Mm Brass Air Vent Adaptor £0.95 Add to basket Sale! 15Mm Brass G/Vle Bs5154 Short £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket Sale! 15Mm Brass Cxc Gatevalve £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket 1/4″ Brass Air Vent £0.86 Add to basket