General description The John Guest Speedfit Stem Elbow 15mm is a push-fit fitting designed for creating a 90° swivel connection between two equal-sized Speedfit push-fit fittings. This stem elbow is particularly useful for connecting appliances such as cold water storage tanks, providing a reliable and efficient solution for plumbing needs. Technical specifications Size: 15mm Connection type: 90° male to female Material: Non-toxic, corrosion-resistant Installation speed: Up to 40% faster than traditional methods 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 Ideal for central heating systems Safe flame-free installation, eliminating the