the 049481 cartridge typically includes the required O-ring for the BTAS-4 shell

Safety Optimized: Calibrated to -0

The unit features standard 1/4-inch quick-connect terminals for a fast swap

Universal Compatibility: Engineered specifically for the Danfoss RA2000 series valve bodies

High Power Capacity: The 100VA rating supports larger control loops and multiple peripheral devices without significant voltage drop

Carrier HF21KJ007 Damper Actuator Els PW 17895 the 049481 cartridge typically includesThe Carrier HF21KJ007 Damper Actuator is a 24V HVAC actuator engineered for precise airflow regulation in residential and commercial zoning systems. Delivering 10 in lb torque, this unit facilitates a 45 degree rotation, ensuring accurate positioning of dampers within terminal units and air handlers. As a factory authorized Carrier replacement part, it provides high precision modulation to maintain stable static pressure and optimize thermal comfort.