ensuring reliable reverse cycle heating performance in demanding environments

For manual operation

High-Accuracy Monitoring: Delivers precise data to York control boards to prevent compressor short-cycling and liquid floodback

How do I know if my Bard limit switch is faulty

To sense negative pressure alone

Johnson Controls VA-8020-1 Valve Actuator 320788-704 ensuring reliable reverse cycle heatingThe Johnson Controls VA 8020 1 is a reliable floating valve actuator designed for precise control in HVAC applications. Operating on 24 VAC power, this non spring return unit provides a 22 lb shutoff force, making it ideal for managing small terminal units like fan coils and induction units. Its 3 wire configuration simplifies installation, while the 250 Ohm input impedance ensures stable communication with standard controllers. Built for durability,