The McAlpine TUNKIT-1 is a WC overflow kit designed to provide an effective solution for managing excess water in a toilet system. The kit comprises several components, including the TUN-2 tun dish overflow, a V33T WC connector, a 90° pushfit elbow, and two ¾" x 12" lengths of overflow pipe. The TUN-2 tun dish overflow is designed to fit onto the top of the toilet cistern and manage any excess water that flows out of the overflow pipe. The V33T WC connector is used to connect the tun dish overflow to the flush pipe. The 90° pushfit elbow is used to connect the overflow pipe to the V33T WC connector, while the two ¾" x 12" lengths of overflow pipe provide additional flexibility in installation. When installing the McAlpine TUNKIT-1 kit, it is important to ensure that all components are securely fitted and sealed to prevent any leaks or water damage. The kit should be installed with appropriate tools and materials, following the manufacturer's instructions carefully. Overall, the McAlpine TUNKIT-1 WC overflow kit is a reliable and efficient plumbing fitting that is designed to provide an effective solution for managing excess water in a toilet system. Its high-quality components, combined with its durable construction and ease of installation, make it a popular choice among plumbers and DIY enthusiasts alike. ・ Not suitable for use with high level cisterns as installation into external flush pipe would cause malfunction of the syphonic flushing action