This genuine Honeywell 2 port motorised valve head is a must-have for your heating system. Designed for use with V4043 valves, this product is perfect for controlling your heating zones or diverting hot water. Made with high-quality materials, you can be sure of its reliability and durability. With a 22mm diameter, it fits perfectly into your heating system and ensures optimal performance. This valve head is suitable for use with storage tank water heaters and is compatible with various heating, cooling, and air systems. Improve your heating system's performance with this Honeywell 2 port motorised valve head.