General description John Guest Speedfit 22X15MM Speedfit Straight Reducer Coupler is a reducing straight coupler designed to connect plain pipe ends of different diameters. This push-fit solution is ideal for plumbing and heating systems, suitable for mains fed and indirect cold water systems, vented and unvented hot water systems, as well as vented and sealed central heating systems. Technical specifications Size: 22 x 15mm Material: Plastic Colour: White MPN: PEM062215W EAN: 0665628017986 Additional Features: Corrosion-free grip and seal connection, lead-free and non-toxic, no scale build-up, push-fit and demountable connections Standards Met: BSI approved, WRAS approved Compatibility and accessories Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) Can be used with copper pipe to BS EN 1057 Installation Simply push the push-fit fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. To demount the connection, unlock the nut by