2-in-1 shut off valve and check valve for isolation and backflow prevention Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Integrated � turn handle instantly isolates water Grip & Seal collet with stainless steel teeth and main O-Ring seal Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water (not suitable for central heating systems) Brand:JOHN GUEST SPEEDFIT LTD Manufacturer Stock Code:ASV4 EAN Code:665626118999 Width:72 mm Height:37 mm Diameter:15 mm Weight:0.06 kg Manufacturer Guarantee:1 years Sub-Category:Valves Colour:WHITE Brand:JG Speedfit Angled Or Straight:Angled Pack Size:1 Certification:WRAS Category:Fittings