Friedrich Air Conditioning 67400330 Control Board 320788-702 ensuring precise shaft alignment and

ensuring precise shaft alignment and housing fit

This OEM York replacement part serves as the direct S1-025-45285-000 replacement

What is the recommended mounting height for accurate readings

making it an ideal upgrade or 008-F6 cross reference for Armstrong Astro 30 or Grundfos UP15-42FR units

providing the consistent static pressure necessary for proper furnace venting and inducer assembly function

Friedrich Air Conditioning 67400330 Control Board 320788-702 ensuring precise shaft alignment andThe Friedrich Air Conditioning 67400330 is a specialized Indoor Main Control Board designed to serve as the primary logic interface for compatible Friedrich split systems and window units. As a critical HVAC replacement part, this board manages the complex timing and sequencing between the evaporator fan motor, compressor contactor, and thermistor sensors. Engineered for precision climate control, the 67400330 circuit board ensures high efficiency