Home / Plumbing / Brassware / 1/2″ Hp Part 1 Ballvalve Customer matched zone "UK" View basket “1/8″ Bsp Cp Manual Air Vent” has been added to your basket. Sale! 1/2″ Hp Part 1 Ballvalve£6.56 Original price was: £6.56.£4.99Current price is: £4.99. This product is available for pickup in Orpington. 1/2" Hp Part 1 Ballvalve quantity Delivery Store Collection SKU: 21001WC01 Category: Brassware Product ID: 6594 Reviews Related products 1/8″ Bsp Auto Air Vent £1.34 Add to basket Alloy Air Vent Key £0.36 Add to basket 1/2″ Bsp Brass Air Vent Cp £1.54 Add to basket 1/8″ Bsp Cp Manual Air Vent £0.51 Add to basket