Home / Plumbing / Brassware / Air Admittance Valve (Grey) 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! Wras 15Mm Dzr Bs5154 Gatevalve £6.34 Original price was: £6.34.£4.99Current price is: £4.99. Add to basket Sale! Wras 28Mm Dzr Bs5154 Gatevalve £13.67 Original price was: £13.67.£10.99Current price is: £10.99. Add to basket 1/2″ Bsp Brass Air Vent £1.34 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket