John Guest Speedfit double check valves have been designed to allow temporary servicing of downstream equipment and must only be used in the fully open or fully closed position. This equipment is manufactured from acetal, featuring a push-fit system that is suitable for both hot and cold water applications. These valves ensure the prevention of contamination arising from back siphonage, backflow, and cross-connection. It is designed, manufactured and assembled in the UK.

Brand Name	John Guest