Safety Optimized: Calibrated to -0

Key Benefits Universal Compatibility: Fully compatible with Resideo AQ series Aquastat panels and SOLA Hydronic Control systems for streamlined field installation

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

Technicians often observe restricted refrigerant flow

this OEM-spec component ensures electrical integrity and restores system performance to factory standards

Carrier HF21KJ007 Damper Actuator Els PW 17895 Safety Optimized: Calibrated to -0The 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.