Control Board Specifications – Carrier HK42FZ034 - F7CU

Control Board Specifications – Carrier HK42FZ034 Condition: Used – Cleaned and Fully Functional Model Number: HK42FZ034 Manufacturer: Carrier Part Type: Integrated Furnace Control Board – Main PCB Key Specifications: Control Type: Single-Stage Furnace Control Board Function: Controls ignition sequence, inducer motor, gas valve, blower motor timing, and safety limit circuits Ignition System: Hot Surface Ignition (HSI) compatible Operating Voltage: 115V AC primary power Control Voltage: 24V AC thermostat interface Diagnostics: On-board LED fault code indicator Application Type: Residential gas furnace control Mounting: OEM direct replacement with factory wiring harness connectors Compatible Replacement Models: • Direct OEM replacement for HK42FZ034 • Used in select Carrier furnace models • May replace similar HK42FZ series boards (verify suffix & wiring layout) Common Applications: • Residential gas furnaces • Single-stage forced-air heating systems • Carrier furnaces using integrated ignition control boards Condition: Used - Like new For Sale By: Owner Curbside pick up: Yes Shipping: No Fulfillment: Curbside pick up Drop off / Delivery: No Cash accepted: Yes