Honeywell V4043H1056/TW Twin Pack 2 Port Motorised Zone Valve 22mm
Honeywell V4043H1056/TW Twin Pack 2 Port Motorised Zone Valve 22mm
The V4043 series of 2 port Motorised Valves has a wide range of flow control applications in domestic and light commercial central heating systems. The V4043H normally closed models have end switches for electrical control of pump and/or boiler.
(The V4043B normally open model is particularly applicable to control of solid fuel systems, since it will always fail-safe in the event of a power failure)
Features
- 2 port Motorised Valve
- Normally closed with end switches for electrical control of pump and/or boiler
- Motor open
- Spring return action
- Manual lever for filling & draining the system
- Powerhead replaceable without draining down
- Potential free end switch for electrical control of pump and/or boiler
- Quiet operation, minimal power consumption
Technical Specifications:
- Supply Voltage: 220-240VAC, 50/60Hz
- Power Consumption: 5W
- Cable Length: 1m
- Fluid Temperature: +5°C to +88°C
- Operating Temperature: 5°C to +50°C
- Flow Direction: As per arrow on valve body
- Auxiliary Switch Rating: 250VAC 4A
- Response Opening: 12 seconds
- Reponse Closing: 5 seconds
- Max. Static Pressure: 8 bar
- Max. Close-off Pressure: 1 bar
WARNING! ALWAYS ISOLATE THE AC MAINS SUPPLY BEFORE REMOVING OR REFITTING THE ACTUATOR ASSEMBLY. THIS ACCESSORY MUST BE FITTED BY A COMPETENT PERSON, AND INSTALLATION MUST COMPLY WITH THE GUIDANCE PROVIDED IN THE CURRENT EDITIONS OF BS7671 (IEE WIRING REGULATIONS) AND PART ‘P’ OF THE BUILDING REGULATIONS.