Description
The Honeywell M847A1072 is a two-position draft damper actuator engineered for reliable, precise control of draft dampers in residential and light commercial HVAC applications. Powered by 24Vac and featuring a spring-return mechanism, this actuator automatically returns the damper to its fail-safe position upon power loss — ensuring safe, consistent system operation at all times.
Key Features
- Two-position operation for straightforward open/close damper control
- 24Vac power supply for compatibility with standard HVAC control systems
- Spring-return design provides automatic fail-safe positioning on power loss
- 1.9 lb-in torque output for dependable damper actuation
- 20-second maximum run time for fast, responsive damper positioning
- Round shaft design for easy, secure mounting
- Includes 3.8-inch linkage arm for straightforward installation
- Clockwise wheel rotation for consistent, predictable damper movement
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 Arm: 3.8 inches (included)
- Wheel Rotation: Clockwise
Applications
- Draft damper control in residential and light commercial HVAC systems
- Combustion air damper actuation
- Zoning and ventilation control systems requiring two-position operation
Why Choose the Honeywell M847A1072?
The M847A1072 combines Honeywell’s trusted engineering with a compact, easy-to-install design. The included 3.8-inch linkage arm reduces the need for additional hardware, while the spring-return function adds a critical layer of safety for draft damper applications. Its wide operating humidity range (5–95% RH) and temperature tolerance (40–125°F) make it suitable for a variety of installation environments.
