This pack of 2 Honeywell V4043H 22mm 2-Port Motorised Zone Valves is designed for reliable flow control in domestic and light commercial central heating systems. These valves regulate the flow of hot water through heating circuits, helping ensure efficient temperature management across different zones. The V4043H normally closed model includes end switches for electrical control of the pump and/or boiler, allowing the heating system to operate automatically when the valve opens. Built for durability and quiet operation, these valves are a trusted solution for installers and maintenance professionals. Each valve also features a replaceable powerhead, enabling servicing or replacement without draining the heating system, reducing installation time and disruption.

Key Features :

• Pack of 2 – 22mm 2-Port Motorised Zone Valves

• Normally closed (V4043H) with end switches

• Suitable for domestic and light commercial heating systems

• Spring return action for dependable performance

• Manual lever for system filling and draining

• Replaceable powerhead – no need to drain the system

• Potential-free end switch for pump and/or boiler control

• Quiet operation with minimal power consumption