Description
Belimo ZONE24NO Zone Actuator Overview
The Belimo ZONE24NO is a spring-return zone actuator engineered for dependable on/off control in HVAC zoning applications. Designed to operate in the normally open (NO) position, this actuator automatically returns to the open position upon loss of power — making it an ideal choice for fail-safe zone valve and damper control in residential and light commercial systems. Its compact, direct-coupled design simplifies installation and reduces overall system maintenance.
Key Features
- Spring-return mechanism ensures fail-safe, normally open operation on power loss
- Compatible with 24Vac and 24Vdc control signals for broad system compatibility
- On/off control for straightforward zone management
- Compact, direct-coupled design for easy installation without linkages or brackets
- Quiet, brushless motor operation for low-noise environments
- Durable housing suitable for demanding HVAC environments
- Manual override function for commissioning and maintenance convenience
- UL listed for safety and compliance assurance
Typical Applications
- Residential and light commercial HVAC zoning systems
- Zone valve and damper actuator control
- Fan coil unit control
- Variable air volume (VAV) terminal unit applications
- Hydronic heating and cooling zone control
Specifications
- Model: ZONE24NO
- Brand: Belimo
- Action: Spring-Return
- Fail-Safe Position: Normally Open (NO)
- Supply Voltage: 24Vac / 24Vdc
- Control Type: On/Off
Why Choose Belimo?
Belimo is a globally recognized leader in actuator and valve technology for HVAC applications. The ZONE24NO reflects Belimo’s commitment to precision engineering, energy efficiency, and long-term reliability — giving contractors and building owners confidence in every installation.







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