Designed to control the flow of water in small bore domestic central heating systems where both radiator and hot water cylinder circulation are pumped.
22mm compression fittings DHW Circuit Port B; CH Circuit Port A 240 Vac 50Hz Spring return function Three position operation Manual lever for filling/draining down Five wire connection Provides electrical control of pump and boiler Powerhead replaceable without draining down Motor changeable without replacing whole powerhead Quiet operation, minimal power consumption
