Pay in 4 interest-free payments of $106.92 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
CSD1 Requirement Compliance: Meets strict safety standards for boiler installations requiring a manual reset following a low water condition
High-Accuracy Monitoring: Delivers precise 5% or better accuracy for demanding humidity-sensitive applications
As a veteran-grade replacement for the L-307-1
which is measured from the front of the adjustable flange to the face of the air cone
Simplified Installation: Orange color-coding and flanged mounting design allow for fast replacement during service calls
Carrier HK42FZ031 Circuit Board 324846-701 CSD1 Requirement Compliance: Meets strictThe Carrier HK42FZ031 Circuit Board is a critical OEM replacement component designed for high performance furnace control and integrated system management. Engineered for precision, this furnace control board regulates essential functions including the blower motor, gas valve, and igniter sequences. As a genuine Carrier furnace part, the HK42FZ031 ensures seamless communication between system sensors and the thermostat, maintaining optimal airflow and
US$ 152.50
US$ 197.00
US$ 46.99
US$ 26.00
US$ 3169.00
US$ 22.99
US$ 112.00
US$ 22.00