Designed to control the flow of water in iron and copper pipe systems. Although specifically designed for small bore domestic central heating systems, the valve can be used in commercial and industrial applications. The V4043 series of two port Motorised Valves has a wide range of flow control applications in domestic and light commercial central heating systems. Features include a 1-year guarantee, motor open with spring return action, replaceable powerhead without draining down, quiet operation, minimal power consumption, ambient temperature range from 5 to 50°C, 1m flying lead, head resistant cable, and off in 6 seconds under spring return. It has a 22mm compression connection. This valve can be plumbed at any angle, but the powerhead should not be below the horizontal level of the pipework. It is also positioned where it cannot block any vent or cold feed when closed.