Home / Plumbing / Brassware / 22Mm Diff/Bypass Valve 872 Customer matched zone "UK" View basket “1/4″ Brass Air Vent” has been added to your basket. Sale! 22Mm Diff/Bypass Valve 872£22.61 Original price was: £22.61.£16.99Current price is: £16.99. This product is available for pickup in Orpington. 22Mm Diff/Bypass Valve 872 quantity Delivery Store Collection SKU: 66201WC01 Category: Brassware Product ID: 7108 Reviews Related products Brass Air Vent Key £0.53 Add to basket 1/4″ Brass Air Vent £0.86 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket Sale! 22Mm Dzr Cxc Bs Gatevalve £8.61 Original price was: £8.61.£6.99Current price is: £6.99. Add to basket