Carrier HK42FZ043 Replacement Furnace Control Circuit Board for Compatible Variable-Speed Gas Heating Systems

Carrier HK42FZ043 Replacement Furnace Control Circuit Board for Compatible Variable-Speed Gas Heating Systems

Part #: HK42FZ043 Manufactured by: Carrier

Regular price: $655.00
Sale price: $655.00
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1 in Stock

Condition: New-Surplus Original Box

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Product Overview

The HK42FZ043 is a model-specific electronic assembly for maintaining the control functions of supported Carrier furnaces.... Read more

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Product Description P/N: HK42FZ043

Description / Specifications

Description

The Carrier HK42FZ043 is a furnace control circuit board for compatible gas-heating equipment with variable-speed blower systems. It manages furnace control functions and provides diagnostic indications and component testing to support equipment servicing.

Technical Specifications

Condition	New/Never Used Surplus
Brand	Carrier
Category	HVAC
Part Number	HK42FZ043
Subcategory	HVAC Control System Board
Product Type	Furnace control circuit board
Control Family	HK42FZ
Equipment Application	Compatible gas furnaces
Blower System Application	Variable-speed furnace equipment
Motor Interface Application	Supported electronically commutated motor systems
Construction	Populated printed circuit board
Installation Location	Furnace control compartment
Diagnostic Function	Operating and fault status indications
Service Test Function	Component-test mode
Component-Test Selector	Setup switch SW1-6
Electrical Integration	Model-specific furnace wiring harness
Catalog Replacement Reference	HK42FZ064
Compatibility Check	Furnace model, serial number, and control configuration
Weight	0.70 lbs

Information About HK42FZ043

The HK42FZ043 belongs to Carrier’s HK42FZ electronic furnace-control family. Its populated circuit board connects to the furnace wiring harness, operating controls, and motor-control circuits. Manufacturer service instructions identify this model within the variable-speed furnace control group. Installation compatibility must be established using the furnace model, serial number, wiring diagram, and required configuration.

Key Features:

Furnace Control Assembly: Provides the electronic control board used in specified Carrier furnace installations.
Variable-Speed Application: Interfaces with supported furnaces using electronically commutated blower motors.
Component-Test Mode: Supports a service sequence for checking connected equipment.
Diagnostic Indications: Provides status codes used during furnace troubleshooting.
Setup Switches: Includes configurable switch functions, including component-test selection.
Harness Integration: Connects to the furnace’s designated electrical connectors and wiring.
Service Replacement: Allows replacement of the control assembly while retaining other serviceable furnace components.

The HK42FZ043 delivers the reliability and precision required for furnace operation and diagnostic assessment in compatible heating systems.

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Description / Specifications