Push-fit Hep2O includes unique features that enable quick and easy installation with a secure fitting. It is the only push-fit plumbing system with joint recognition, secure demounting and a 50 year guarantee. The system is compatible with both plastic and copper, making it ideal for new build and refurbishment projects. Hepkey Release Tool set available (code 20940). * Hot and cold flexible push-fit plumbing system * Feel the rumble, leak free connection guaranteed * BS EN 7291 parts 1 and 2, WRAS approved * KIWA certified * Secure and easy demounting with HepKey system * 50 year industry leading guarantee * Minimum operating temperature - 5 degC * Maximum operating temperature - 114 degC * Maximum operating pressure at minimum temperature - 12 BAR * Maximum operating pressure at maximum temperature - 3 BAR * Inner conical thread (NPT) Hep2O Female Adaptor Brass Socket 15mm x 1/2" in White Plastic/Brass. Size: 15mm x 1/2" Female BSP Socket used to connect Hep2O pipe to standard thread. Part of popular Hep2O system. Suitable for cold and hot water.