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Two-Position Draft Damper Actuators. Use with two-wire 24V room thermostats or other low voltage controllers to operate the draft damper on solid fuel furnaces or boilers and other similar light duty applications.


  • Low voltage, spring-return damper actuator.
  • Equipped with mounting bracket for wall, duct or direct appliance mounting to control draft damper through an actuator arm or chain linkage arrangement.
  • Actuator wheel rotates in a clockwise direction (when facing the wheel) when energized.

Product Specifications

Dimensions (in.)
3 1/2 in. high x 2 5/8 in. wide x 3 5/16 in. deep
Dimensions (mm)
89 mm high x 66 mm wide x 84 mm deep
3.8 in. linkage arm
Weight (lb)
1.75 lbs
Item Type
Foot mounted. Direct Coupled
60 Hz
Operating Humidity Range (% RH)
5 to 95% RH
Supply Voltage
24 Vac
Operating Temperature Range (F)
40 F to 125 F
Operating Temperature Range (C)
5 C to 50 C
Run Time Maximum-- 20 sec
Angle of Rotation-- 45 degrees maximum
Control Signal
Two position, SPST
Fail Safe Mode
Spring Return
Torque Rating (lb-in.)
1.9 lb-in.
Torque Rating (Nm)
0.21 Nm
External Auxiliary Switches Available
Motor shafts
1, Round
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