JG Speedfit cold water service stop tap MDPE x copper or PEX instantly shuts of water. Simply push the valve fully onto the pipe. To demount, pull the collet towards the body of the push-fit fitting and pull the pipe to release. Simply push the JG Speedfit cold water service stop tap MDPE x copper or PEX fully onto the pipe. The connection is demountable, making it easy to work with in the ground when maintaining or altering an existing set-up. Designed, manufactured and assembled in the UK. Instant push-fit connection and screw down mains stop valve Install and demount in seconds without tools Stainless steel teeth grab ring provides extra grip on the pipe Durable material with high impact resistance Non-toxic and no scale build-up Resists corrosion and biological growth Compatible with MDPE pipes only (inserts required) Suitable for cold water use only