Description
The Honeywell M847A1080 is a two-position, spring return draft damper actuator designed for reliable, precise damper control in residential and light commercial HVAC applications. Powered by a 24Vac supply, this actuator delivers consistent performance with a fast 20-second maximum run time and a clockwise-rotating wheel for straightforward installation and integration.
Key Features
- Two-position operation for dependable open/close damper control
- Spring return mechanism ensures fail-safe damper positioning on power loss
- 24Vac power supply for compatibility with standard HVAC control systems
- 1.9 lb-in torque output for positive, reliable damper actuation
- 20-second maximum run time for quick response
- Round shaft design for easy mounting and alignment
- Wheel rotates clockwise for consistent, predictable operation
- Includes 38″ linkage chain for flexible installation configurations
Operating Specifications
- Voltage: 24Vac
- Torque: 1.9 lb-in
- Maximum Run Time: 20 seconds
- Operating Temperature Range: 40°F to 125°F (4°C to 52°C)
- Operating Humidity Range: 5% to 95% RH (non-condensing)
- Shaft Type: Round
- Linkage Chain Length: 38 inches (included)
- Wheel Rotation: Clockwise
Applications
- Draft damper control in forced-air heating systems
- Zone damper actuation in residential and light commercial HVAC systems
- Combustion air damper control for boilers and furnaces
- Ventilation damper automation where two-position control is required
Why Choose the Honeywell M847A1080?
The M847A1080 combines Honeywell’s proven actuator engineering with a practical, installer-friendly design. The included 38″ linkage chain reduces the need for additional hardware, while the spring return mechanism provides peace of mind by automatically returning the damper to its safe position during a power interruption. Its wide operating humidity range (5–95% RH) and temperature tolerance (40–125°F) make it suitable for a variety of installation environments.
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