Carrier HH57AC080 Sensor 320819-301 This is a single-try ignition

This is a single-try ignition module

the HVAC control module maintains precise timing for gas valve energization and flame rectification

ensuring long-term structural integrity where aftermarket alternatives often fail

8A at 120VAC

Carrier HH57AC080 Sensor 320819-301 This is a single-try ignitionThe Carrier HH57AC080 Outside Air Temperature (OAT) Sensor is a critical 10 to 20 mA diagnostic and control component designed for Carrier, Bryant, and Payne commercial rooftop units equipped with Economi$er IV systems. Use this sensor to restore or enable outdoor air dry bulb changeover, allowing the controller to determine when ambient conditions are suitable for free cooling. By providing a precise 4 20 mA signal back to the main control board, the