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Advanced Sensing Technology: Employs a heated diode with alkali metal ionization for superior sensitivity compared to standard corona discharge sensors
For 4-20mA or 0-10Vdc signals
making it suitable for both cooling-only and heat pump cycles
making it the standard for commercial steam heating systems requiring automatic reset functionality
which simplifies piping for the technician
Carrier HK42FZ031 Circuit Board 30067439-890 Advanced Sensing Technology: Employs aThe 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
US$ 59.00
US$ 65.00
US$ 25.00
