Firstco CB600 ECM Control Board for Vertical HVAC Units

The Firstco CB600 is an OEM replacement ECM (Electronically Commutated Motor) control board designed specifically for Firstco vertical fan coil units. This printed circuit board provides precise electronic control and communication between the thermostat system and the ECM blower motor, ensuring optimal airflow management and energy efficiency.

Key Features:

• Direct OEM replacement control board for Firstco vertical HVAC systems
• Compatible with Firstco model VHBXB and related vertical fan coil units
• Controls ECM blower motor operation for models 18-60VHB(Q)(X)B(-HW) and 10-20VMB(E)(-HW)
• Interfaces with 16-pin wiring harness for motor control signals
• Supports single and multi-stage heating and cooling operations
• Integrates with dehumidistat functionality for enhanced moisture control
• Operates on standard 24VAC control voltage
• Manages variable-speed blower operation for improved comfort and efficiency

This control board is an essential component for maintaining proper operation of Firstco ECM-equipped air handlers and fan coil units. It regulates blower speed based on heating, cooling, and fan-only modes while communicating with the thermostat to deliver precise temperature control. The CB600 is engineered to OEM specifications for reliable, long-lasting performance in residential and light commercial HVAC applications.