The International Environmental Corporation E025-71481103 Relay Control Board is a genuine OEM part designed to manage fan and valve operations in IEC fan coil units and HVAC systems. Operating at 24 Volts and rated for 10 Amps, this control board enables seamless switching and automation of HVAC functions such as fan speeds, heating/cooling modes, and actuator control. It ensures reliable system performance across a wide range of IEC units. Key Features Relay control board for low-voltage HVAC control applications Operates at 24V AC, rated for 10A switching capacity Coordinates fan speed control, valve actuation, and more OEM-certified for full compatibility with IEC systems Compact and durable design for commercial-grade reliability Specifications Part Number: E025-71481103 Voltage: 24V AC Amperage: 10A Function: Controls fan/valve operations in HVAC systems Application: Fan coil units and terminal HVAC devices Mounting: Panel/bracket mount with plug-in terminals Manufacturer: International Environmental Corporation Compatible Models Fits popular IEC models including: CBF02A6 CBF02A7 CBF02B6 CBF03A7 CBF04A6 CBF03B7 CBF01B6 CBF02B7 CBF03A6 CBF01A7 (And 245+ additional IEC fan coil and blower units) Why Choose This Item The IEC E025-71481103 Relay Control Board is the trusted solution for restoring or maintaining automated HVAC operation in IEC systems. As a factory-certified OEM part, it ensures precise functionality, reliable switching, and long-term durability, making it ideal for building maintenance teams, HVAC professionals, and commercial property managers. Perfect for minimizing downtime and keeping comfort systems running smoothly.