Low cost form, fit and functional replacement board for Goodman, Janitrol, TI, White-Rodgers and UTEC * Microprocessor based design for precise timing * Functions with all 24 VAC thermostats * Diagnostic fault codes (blinking LED) for simple troubleshooting * Twining compatible with another ICM280 * For 80+ and 90+ applications * 9-pin card slot connection and 9-pin Molex connector on board * UL recognized