Honeywell Home 3 Port Motorised Mid Position Zone Plumbing Heating Valve 22mm V4073A1039/U

The V4073A Valve has been designed to control the flow of water in domestic central heating systems, where both radiator and hot water cylinder circuits are pumped. It is typically suited for small to medium sized installations 1 year guarantee Quiet operation, minimal power consumption Powerhead replaceable without draining down Potential free end switch for electrical control of pump and/or boiler Potential free end switch for electrical control of pump and/or boiler 1m flying lead, head resistant cable Valve Opens to Port B in 8 Seconds (under Spring Return) Provides electrical output to boiler and/or pump options 22 mm/28 mm or 3/4" 1" connections