Home / Plumbing / Brassware / 28Mm Ball Type Pump Valve Customer matched zone "UK" View basket “Brass Air Vent Key” has been added to your basket. Sale! 28Mm Ball Type Pump Valve£6.77 Original price was: £6.77.£5.99Current price is: £5.99. This product is available for pickup in Orpington. 28Mm Ball Type Pump Valve quantity Delivery Store Collection SKU: 19002WC01 Category: Brassware Product ID: 6590 Reviews Related products Sale! Cp Rad Extension Piece 40Mm £2.38 Original price was: £2.38.£1.99Current price is: £1.99. Add to basket 1/8″ Bsp Brass Manual Air Vent £0.59 Add to basket 15Mm Brass Air Vent Adaptor £0.95 Add to basket 1/2″ Bsp Brass Air Vent £1.34 Add to basket