Resideo M847A1031/B 24V Spring Return Damper Actuator with Bracket and 38" Chain

The Resideo M847A1031/B is a two-position draft damper actuator designed for use with two-wire 24V room thermostats or other low voltage controllers to operate draft dampers on solid fuel furnaces, boilers, and similar light-duty applications. This spring-return actuator includes a mounting bracket that allows for wall, duct, or direct appliance installation using the included 38-inch chain linkage.

Key Features:

• Spring-return fail-safe mode with 1.9 lb-in torque rating and maximum run time of 20 seconds
• Actuator wheel rotates clockwise when energized with 45-degree maximum stroke angle
• Operates at 24 VAC, 8VA, 60 Hz frequency
• Anti-rotation and drive shaft extensions for direct mounting to 7/16-inch diameter coupling-style dampers
• Adjustable range stops for precise customization to specific HVAC system requirements
• UL Recognized design for safety compliance

This durable actuator operates in humidity levels ranging from 5% to 95% RH and temperatures between 40°F and 125°F (5°C to 50°C). It serves as a direct replacement for M847A1080 and M847D1004 models, as well as ARD and ZD zone dampers. Product dimensions are 3-1/2 inches H x 2-5/8 inches W x 3-5/16 inches D.