Home / Plumbing / Brassware / Air Admittance Valve (Grey) Customer matched zone "UK" View basket “15Mm Brass Air Vent Adaptor” 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 1/8″ Bsp Brass Manual Air Vent £0.59 Add to basket Sale! 28Mm Brass Cxc Bs Gatevalve £11.90 Original price was: £11.90.£8.99Current price is: £8.99. Add to basket Sale! 15Mm Brass Cxc Gatevalve £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket Sale! 28Mm Brass Cxc Gatevalve £9.89 Original price was: £9.89.£7.99Current price is: £7.99. Add to basket