Double check valve (Fluid Category 3) Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux 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) Brand: JOHN GUEST SPEEDFIT LTD Manufacturer Stock Code: 15DCV EAN Code: 665628051089 Width: 97 mm Height: 36 mm Diameter: 15 mm Weight: 0.035 kg Manufacturer Guarantee: 1 years Sub-Category: Valves Colour: GREY Brand: JG Speedfit Pack Size: 1 Certification: WRAS Category: Fittings