General description The John Guest Speedfit Straight Coupler 15mm is an equal straight connector designed for the quick and easy connection of two equal pipe sizes. This push-fit fitting allows for a fast installation process, making it ideal for use in confined spaces without the need for hot works or tools. Technical specifications Type: Equal straight connector Size: 15mm 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 Simply 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 Ideal for central