Honeywell V4043B1257 2 Port Valve 22mm

The V4043 series of two port Motorised Valves has a wide range of flow control applications in domestic and light commercial central heating systems The V4043 Zone Valve must be positioned where it cannot block any vent or cold feed when closed. It may be plumbed in at any angle but must not be mounted so that the powerhead is below the horizontal level of pipework If fitted in a confined space, sufficient ventilation must be available to keep the valve within its ambient temperature range and access must be provided to remove the powerhead if necessary 22mm 2 Port valve Spring return action with no end switch No manual lever Powerhead replaceable without draining down Quiet operation and minimal power consumption 1m flying lead, head resistant cable requiring a 230V AC power supply Ambient temperature range from 5 to 50°C Maximum differential pressure is 0.55 bar