Honeywell Two Port Zone Valve 28mm SRO 3 Wire V4043H1106

The V4043 series of two-port Motorised Valves offers versatile flow control for domestic and light commercial central heating systems. The V4043H normally closed models come with end switches for precise electrical control of pumps and boilers. The V4043B normally open model is ideal for solid fuel systems, ensuring fail-safe operation during power outages. Featuring motor open and spring return action, the powerhead can be replaced without draining the system. Enjoy quiet operation and minimal power consumption. This series is designed for efficiency and reliability in heating systems.. 2 Port Motorised Valve 28mm (Normally Open) Honeywell Home