Hozelock 2181 Non Return Valve

Prevents a backflow of contaminated water into the mains water supply. Key Benefits Include: No plumbing is required, it can be fitted in seconds High quality materials for a long leak-free life Suitable for 1/2″ & 3/4″ BSP tapsPrevents a backflow of contaminated water into the mains water supply.No plumbing is required, it can be fitted in seconds High quality materials for a long leak-free life Suitable for 1/2″ & 3/4″ BSP tapsConnector Function: Non-Return Tap ConnectorConnection Type: MaleScrew Thread: 1/2" BSP (21mm), 3/4" BSP (26.5mm)Tap Type: ThreadedTap Location: OutdoorNumber of Outlets: SingleMaterial: PlasticGuarantee Period: 1 Year Ideal for use with submersible pump water systems - Prevents any backflow of contaminated water into the mains water supply.Simply screw this double check valve onto the end of most outdoor taps to add a non return valve without any permanent plumbing.Suitable for all 1/2″ & 3/4″ BSP taps (21mm & 26mm).Comes with a universal male end connection -