Simplified Diagnostics: Features onboard LED indicators to streamline HVAC troubleshooting and identify fault codes quickly

ensuring you do not have to purchase one separately

the ICP 100241 Thermocouple is typically the first component we verify

Universal Voltage Compatibility: Multi-tap capability supports 120V

making it ideal for the demanding environments of industrial boilers and storage tanks

Carrier HK42FZ034 Circuit Board Freon Simplified Diagnostics: Features onboard LEDThe Carrier HK42FZ034 Circuit Board acts as the central control module for single stage gas furnaces, managing critical sequences including ignition, blower timing, and safety monitoring. As a genuine OEM replacement furnace control board, it is engineered to meet the precise operational parameters of Carrier, Bryant, and Payne equipment. This board is the direct replacement for HK42FZ013 and is also compatible with older part numbers such as