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and adapter harness to simplify field installation
Standard HVAC silver solder or Sil-Fos brazing rods are recommended for securing the 7/8" copper line to the steel adapter's stub
protecting against carbon monoxide rollout
or specific LED flash codes indicating internal circuit failure
Daikin-McQuay 4009433 Circuit Board 320735-701 and adapter harness to simplifyThe Daikin McQuay 4009433 Circuit Board is a critical system controller designed for high performance communication and logic management within commercial HVAC systems and heat pump assemblies. This OEM replacement control board acts as the central processor, regulating essential functions including compressor sequencing, fan motor speeds, and real time temperature monitoring. Engineered for the rigorous demands of industrial environments, the 4009433
US$ 34.00
US$ 55.00
US$ 40.00
