Sullair Sullicon Control Parts Kit Replacement 250020 028 212400394 IR 2475 TS8 Sullair O Ring Replacement 826102 012 Temperature Probe Sullair O Ring Replacement 826102 012 We have the Sullair Butterfly Valve Replacement 040338 and many other air compressor parts to help you keep your machinery moving Fitment note: Confirm compatibility by matching kit number 250020 028 to your Sullicon control assembly and your compressor model and serial number before ordering This external diaphragm is part of the Sullicon control assembly and helps regulate pressure and control signals within the compressor’s pneumatic control system