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 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.
- 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.
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