This valve allows the user to stop the flow of water to a fixture or zone in case of emergency or repair. John Guest Speedfit products blend push-fit and multi-seal technology for a reliable leak-proof connection. Simple to install and no tools are required when installing or demounting fittings, making it easy to manoeuvre in tight spaces or readjust joins. Speedfit's extensive choice of plastic, brass and chrome fittings, tap connectors, valves and flexi hoses gives you everything you need to complete the job in no time. By combining these products with plastic push-fit pipe, you can create a truly flexible plumbing and heating system. All products are accredited with the leading testing and approval organisations including WRAS and are suitable for use with plastic or copper pipe. Push-fit plastic fitting for the connection of plastic and copper pipe. The push-fit stop valve for the connection of plastic and copper pipe. A must for any dwelling. The valve allows the user to stop the flow of water to a fixture or zone in case of emergency or repair. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Should the need arise to demount the connection unlock the nut and push the collet towards the body of the fitting and pull the pipe to release. The fitting ensures an easier working environment in confined places and removes the need for hot works on site. Suitable for hot and cold water services, NOT suitable for central heating systems. BS EN 7291 parts 1, 2, 3 and S, WRAS approved. Secure and easy demounting without the need for a tool. 50 year guarantee. Minimum operating temperature - 20 degC. Maximum operating temperature - 65 degC. Maximum operating pressure at minimum temperature - 12 BAR. Maximum operating pressure at maximum temperature - 3 BAR. JG Speedfit Stopcock 15mm in White Plastic. JG Speedfit stop valve allows the user to stop the flow of water to a fixture or zone in the event of an emergency or for repair work. Simply push the valve fully onto the pipe. To demount the push-fit end, pull the collet towards the body of the push-fit fitting and pull the pipe to release. The push-fit fitting is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for hot works or tools. Designed, manufactured and assembled in the UK. Compact design is ideal for installing in areas where space is tight. Instant push-fit connection and screw down mains stop valve. 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 systems).