Home / Plumbing / Brassware / Immersion Heater Washer Only Customer matched zone "UK" View basket “Cp Rad Extension Piece 40Mm” 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 1/8″ Bsp Brass Manual Air Vent £0.59 Add to basket Sale! 15Mm Brass Cxc Gatevalve £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket 1/2″ Bsp Brass Air Vent Cp £1.54 Add to basket 1/8″ Bsp Auto Air Vent £1.34 Add to basket