Carrier 17122000002587 Circuit Board R-22 supporting non-corrosive refrigerants within a

supporting non-corrosive refrigerants within a versatile 70 to 260 PSI opening point range

Microprocessor Precision: Delivers repeatable

Pneumatic Piston Damper Actuator with Pneumatic Positioner and Auxiliary Mounting Bracket

Contractors should verify the part number on the existing furnace data plate or cross-reference the 903110 or 9031100 numbers

which are often unique to the original equipment’s performance profile

Carrier 17122000002587 Circuit Board R-22 supporting non-corrosive refrigerants within aThe Carrier 17122000002587 Main Circuit Board is a critical OEM replacement component engineered for high performance Carrier ductless mini split systems and select heat pump models. As the primary control board, it manages the communication between the indoor and outdoor units, regulating vital operations including compressor frequency, fan motor speeds, and electronic expansion valve (EEV) positioning. Designed to replace legacy part numbers like