NEALMART Furnace Control Board ICM282B for Carrier HK42FZ Series – Replacement Module

Overview

Meet the NEALMART replacement furnace control board, built around the ICM282B core for Carrier HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, HK42FZ013, HK42FZ016, HK42FZ034 series. This microprocessor-based module orchestrates essential furnace functions with modern diagnostics to simplify service and maintenance. While it is designed for reliable operation, consider this as a potential upgrade that may streamline control and monitoring in compatible systems.

Key benefits

• LED diagnostic indicators simplify fault finding and service checks.
• Designed to work with standard 24 VAC thermostats, supporting common setup configurations.
• Integrated control of gas valve, ignitor, blower, inducer, humidifier, and air cleaner for coordinated operation.
• Protective features include polarity and brownout safeguards to help prevent misperformance.
• Suitable for counterflow and downflow furnace applications, expanding compatibility across different layouts.
• A labeled fault code reference is included to assist during installation and troubleshooting.

What’s included and fit

This board replaces listed Carrier modules and is compatible with the ICM282B configuration found in many Carrier systems. A fault code label is provided with the package to help identify issues on-site. For a smoother replacement, gather the original wiring configuration and ensure a one-to-one terminal match.

Technical snapshot

• Voltage range: 98–132 VAC at 60 Hz
• Ignitor current: 5 A at 120 VAC
• Cool blower: up to 30 A, 2 HP, 240 VAC
• Heat stage/valve: 5 A, 1/2 HP, 240 VAC
• Inducer motor: 4 A, FLA 8.0 at 120 VAC
• Thermostat compatibility: standard 24 VAC

Note: When installing or servicing, handle components with care to avoid electrostatic discharge. If you’re unsure about wiring or compatibility, please reach out—your questions are welcome and answered promptly.

Installation tips

• Take a quick photo of the old wiring before removal to preserve the original layout.
• Ensure wires connect to the correct terminals to avoid misrouting.
• Inspect connectors for wear and replace damaged harnesses as needed.

Why choose NEALMART

NEALMART provides replacement components designed to fit common Carrier configurations, helping maintain furnace performance with a focus on clear diagnostics and straightforward installation. This product line is intended to support technicians and knowledgeable DIYers seeking practical upgrades without overpromising results.