This manual reset control ensures system safety by cutting the circuit when pressure exceeds the 10-50" W

Field technicians frequently utilize the VTD-1415 as a direct 21-806 cross-reference replacement

This 90-120F auto reset limit switch functions as a primary high-limit control

Reduced Noise: Soft-start technology minimizes "thumping" sounds and provides quieter ramp-up and ramp-down cycles

It comes integrated with a high-grade drain pan to ensure superior condensate management and moisture removal

Carrier HK42FZ031 Circuit Board 320074-702 This manual reset control ensuresThe Carrier HK42FZ031 Circuit Board is a critical OEM replacement component designed for high performance furnace control and integrated system management. Engineered for precision, this furnace control board regulates essential functions including the blower motor, gas valve, and igniter sequences. As a genuine Carrier furnace part, the HK42FZ031 ensures seamless communication between system sensors and the thermostat, maintaining optimal airflow and