Friedrich Air Conditioning 67400436 Main PCB 319848-301 the internal bimetal disc or

the internal bimetal disc or contacts have likely failed and require immediate replacement

while the nickel-plated stem resists mineral buildup

Designed for compatibility with various Carrier air handling units (AHUs)

maintaining consistent system specs and flow characteristics

Friedrich Air Conditioning 67400436 Main PCB 319848-301 the internal bimetal disc orThe Friedrich 67400436 Main PCB serves as the primary control interface for compatible Friedrich air conditioning units, managing critical system operations such as compressor cycling, fan speed modulation, and sensor feedback loops. As a direct OEM replacement control board, this component ensures seamless integration with existing wiring harnesses and mounting configurations, eliminating the field modification issues common with universal