The Carrier HK42FZ066 and HK42FZ094 are OEM integrated furnace control boards (IFC) used in Carrier residential gas furnaces and related HVAC equipment. These electronic control boards manage the furnace operating sequence, including thermostat signal processing, ignition control, inducer operation, blower motor operation, safety monitoring, and diagnostic fault reporting.
Product Key Specifications
Manufacturer: Carrier
Part Numbers: HK42FZ066 / HK42FZ094
Product Type: Furnace Integrated Control Board (IFC)
Application: Gas furnace control system
Function: Controls ignition, blower, inducer, gas valve, safeties, diagnostics
Replacement: HK42FZ094 replaces HK42FZ066
Control Voltage: 24 VAC
Fuse Protection: 3 Amp low-voltage blade fuse (typical)
Diagnostic Feature: LED fault code display
OEM Status: Genuine Carrier replacement component
The Carrier HK42FZ066 and HK42FZ094 are OEM integrated furnace control boards (IFC) used in Carrier residential gas furnaces and related HVAC equipment. These electronic control boards manage the furnace operating sequence, including thermostat signal processing, ignition control, inducer operation, blower motor operation, safety monitoring, and diagnostic fault reporting.
Product Key Specifications
Manufacturer: Carrier
Part Numbers: HK42FZ066 / HK42FZ094
Product Type: Furnace Integrated Control Board (IFC)
Application: Gas furnace control system
Function: Controls ignition, blower, inducer, gas valve, safeties, diagnostics
Replacement: HK42FZ094 replaces HK42FZ066
Control Voltage: 24 VAC
Fuse Protection: 3 Amp low-voltage blade fuse (typical)
Diagnostic Feature: LED fault code display
OEM Status: Genuine Carrier replacement component
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