This John Guest Control Unit Pack 3 is designed to provide efficient heating for conservatories or room extensions up to 30m². It is suitable for installations where the existing boiler can accommodate an additional output of 2KW to 3KW, heating a maximum area of 30m². The unit comes pre-assembled and pre-wired for quick and easy installation, allowing you to plug it directly into a convenient electrical socket or spur. Key features include integral ball valves for isolation from the primary heating system, an adjustable blending valve, and a six-metre head circulation pump. It can be connected to the main central heating flow and returns distribution system or a nearby radiator supply pipe. For radiator connections, the pump will operate only when the radiator system is active. The pack includes a 6m head circulation pump, pump control, integral ball valves, an adjustable blending valve, and pipework for floor areas up to 30m².