Pay in 4 interest-free payments of $106.92 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
High-Accuracy Monitoring: Delivers precise 5% or better accuracy for demanding humidity-sensitive applications
Corrosion Resistance: Injection-molded polyethylene build is unaffected by caustic fluids and salt
CSD1 Requirement Compliance: Meets strict safety standards for boiler installations requiring a manual reset following a low water condition
failure to initiate the ignition sequence
This 1-1/2" NPT assembly features a stainless steel ball and stem to ensure long-term reliability and resistance to scaling in chilled or hot water applications
Carrier HK42FZ031 Circuit Board 324846-701 High-Accuracy Monitoring: Delivers precise 5%The 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