ICM Controls ICM2818 Furnace Control Board - Nordyne Replacement

The ICM Controls ICM2818 is an integrated furnace control board designed as a direct replacement for Nordyne/Nortek furnace models M1M. This OEM replacement board controls all critical furnace functions including the induced draft blower, circulating blower, ignition sequence, gas valve, and flame sensing circuit based on inputs from a thermostat and various sensors in the furnace.

Key Features:

• Form, fit, and functional replacement for original equipment manufacturer boards
• Monitors system safeties to properly lock out operation when there is a safety fault
• Detects and communicates faults using diagnostic LED to aid in troubleshooting
• Employs timed safety lock-out when conditions warrant protection
• Operates on 120 VAC primary voltage with 18-30 VAC control voltage
• Designed for manufactured housing and residential furnace applications

OEM Cross-Reference Numbers: Replaces Nordyne 903429, 624602, 624640, 1012-93-9581A, 1012-012-958A, and 233089. Also compatible with Intertherm, Miller, and Revolv furnace systems.

This integrated control board provides comprehensive furnace management beyond simple ignition control modules, offering complete system control and advanced diagnostic capabilities for professional HVAC technicians.