Home / Plumbing / Brassware / Immersion Heater Washer Only Customer matched zone "UK" View basket “1/8″ Bsp Brass Manual Air Vent” has been added to your basket. Immersion Heater Washer Only£0.77 This product is available for pickup in Orpington. Immersion Heater Washer Only quantity Delivery Store Collection SKU: 29012WC01 Category: Brassware Product ID: 6773 Reviews Related products Sale! Cp Rad Extension Piece 20Mm £2.16 Original price was: £2.16.£1.99Current price is: £1.99. Add to basket Alloy Air Vent Key £0.36 Add to basket 15Mm Brass Air Vent Adaptor £0.95 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket