Description
The First Company CB301 is a purpose-built control board designed for Through-the-Wall (TTW) heat pump applications. Engineered to deliver dependable, precise system management, this control board serves as the operational backbone of compatible First Company TTW-HP units — coordinating heating, cooling, and fan functions for consistent comfort and reliable performance.
Key Features
- Designed specifically for First Company TTW heat pump (TTW-HP) systems
- Manages and coordinates heating, cooling, and fan operation
- Direct OEM replacement for compatible First Company TTW-HP units
- Supports accurate system sequencing and reliable equipment protection
- Compact board design for straightforward installation within the unit cabinet
Application
The CB301 control board is the ideal OEM replacement solution for service technicians and HVAC professionals maintaining First Company TTW heat pump equipment. Its direct-fit design minimizes installation time and restores full system functionality quickly.
Why Choose the First Company CB301?
- OEM-quality construction ensures compatibility and longevity
- Restores proper system sequencing and operational control
- Reduces diagnostic complexity with a direct-replacement fit
- Trusted First Company engineering for through-the-wall heat pump systems







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