General description The John Guest Speedfit Female Coupler 10mm X 1/2' TC is a push-fit fitting designed for connecting plastic or copper pipes to male thread fixtures or appliances. This coupler is particularly ideal for taps and toilets, offering a quick and efficient installation process. Technical specifications Size: 10mm X 1/2' Material: Suitable for plastic (Speedfit PEX and polybutylene) and copper pipes Installation method: Push-fit and hand-tighten Installation speed: Up to 40% faster than traditional methods Compatibility and accessories Compatible with Speedfit PEX and polybutylene plastic pipes (inserts required) Compatible with copper pipes Installation Simply push the fitting fully onto the pipe and hand turn onto the thread To demount, push the collet towards the body of the fitting and pull the pipe to release Usage Suitable for hot and cold water systems Ideal for central heating systems Safe flame-free installation, eliminating the need for hot works, glue, or flux