Privacy Statement
Skip Ribbon Commands
Skip to main content
  • Product Info
  • Literature


25 lb-in. spring return damper actuators provide two-position, three-position, floating, or modulating control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.


  • Synchronous Motor.
  • Quiet, high efficiency drive motor.
  • Spring returns motor shaft to normal position in the event of power failure.
  • High impact, glass-fiber reinforced plastic case is rugged, lightweight and corrosion resistant.
  • Uses Q298B Linkage.

Product Specifications

Dimensions (in.)
4 1/2 in. high x 5 in. wide x 5 3/16 in. deep
Dimensions (mm)
114 mm high x 127 mm wide x 132 mm deep
Used With
W7459 Economizers; W7460 Economizers
Weight (lb)
3 lb
UL94-5V plastic housing
Vibration-- V2 level
50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
Listed File: E4436, Guide: XAPX
Electrical Connections
Quick-connect terminals
Operating Humidity Range (% RH)
5 to 95% RH, non-condensing
Power Consumption
Driving-- 8 VA, Holding-- 5 VA
Operating Temperature Range (F)
-25 F to +125 F
Operating Temperature Range (C)
-32 C to +52 C
Shipping and Storage Temperature Range (F)
-30 F to +150 F
Shipping and Storage Temperature Range (C)
-34 C to +66 C
Minimum-- 90 sec, Run Time Maximum-- 90 sec
Fixed Stroke; Angle of Rotation-- 90 degrees maximum
Control Signal
Thermistor, Modulating
Fail Safe Mode
Spring Return
Torque Rating (lb-in.)
25 lb-in.
Torque Rating (Nm)
2.8 Nm
Additional Torque Ratings (lb-in.)
Breakaway-- 40 lb-in.
Additional Torque Ratings (Nm)
Breakaway-- 4.5 Nm
External Auxiliary Switches Available
Rotation to Open
Timing, Nominal
Opening-- 90 sec
Spring Return Timing
Nominal-- 18 sec
Motor shafts
Deadweight Load on Shaft
Power End-- 15 lbs max
There is no literature attached to this product, please try another material search. If you believe that there should be literature for this product, please contact Customer Care for website support.