John Guest 12mm Straight Female Adaptor (CM451214FS)
John Guest is ideal for many DIY builds. John Guest Speedfit is a easy push-fit system suitable for the plumbing of hot and cold water services and for your larger appliances such as a Truma Combi 4e.
This John Guest 12mm Female Adaptor allows you screw onto a Male 1/2″ BSP thread. With a simple and quick push to fit installation on the other end.
These John Guest fittings are intended for pipes with outside diameters of 12mm to fit to rigid 12mm pipework.
Made compatible for 12mm John Guest pipe only. Not flexible hose.