This OEM-spec cover integrates seamlessly with existing Schneider Electric pneumatic thermostats

ensure the ambient compensated housing is properly cleared of debris to maintain calibration accuracy across the entire 700-degree operating spectrum

Optimized Performance: Features lapped beveled seats and a spherical pivot design that corrects spring misalignment to ensure a positive shut-off

providing a secure friction-fit seal to prevent air bypass within the filter housing

it interrupts the 14V or 120V control circuit upon reaching its thermal threshold

Carrier HF680021 Replacement Kit 322057-301 This OEM-spec cover integrates seamlesslyThe Carrier HF680021 Actuator Replacement Kit is a crucial OEM HVAC replacement part designed for field technicians managing precise airflow and damper modulation in commercial and residential systems. This comprehensive kit serves as a direct drop in for malfunctioning factory actuators, ensuring consistent torque and positioning to maintain system static pressure and energy efficiency. Engineered for seamless integration with Carrier furnaces,