General description The John Guest Speedfit Reducing Coupler 15 X 10mm is a push-fit fitting designed for the connection of two equal pipe sizes. This innovative connector allows for quick and easy installation, making it ideal for use in confined spaces without the need for hot works or tools. Technical specifications Size: 15 X 10mm Material: Non-toxic, corrosion-resistant plastic Installation method: Push-fit Mechanism: Twist & Lock for secure fitting Seal: Grip & Seal collet with stainless steel teeth and main O-Ring seal Compatibility and accessories Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) Compatible with copper pipe Installation Push the fitting fully onto the pipe Twist the plastic nut clockwise to lock in place To demount, unlock the nut by hand and push the collet towards the body of the fitting while pulling the pipe to release Usage Suitable for hot and cold water systems Compatible with central heating systems Other information