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! 15Mm Brass G/Vle Bs5154 Short £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket Sale! 22Mm Brass Cxc Gatevalve £5.87 Original price was: £5.87.£4.99Current price is: £4.99. Add to basket Brass Air Vent Key £0.53 Add to basket 1/4″ Brass Air Vent £0.86 Add to basket