Home / Plumbing / Brassware / 1 1/4″ Diaphragm Washer Customer matched zone "UK" View basket “Cp Rad Extension Piece 40Mm” has been added to your basket. 1 1/4″ Diaphragm Washer£1.68 This product is available for pickup in Orpington. 1 1/4" Diaphragm Washer quantity Delivery Store Collection SKU: 23260WC01 Category: Brassware Product ID: 6616 Reviews Related products Sale! 15Mm Brass Cxc Gatevalve £4.63 Original price was: £4.63.£3.99Current price is: £3.99. Add to basket 1/4″ Brass Air Vent £0.86 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket 1/8″ Bsp Cp Manual Air Vent £0.51 Add to basket