Mattei Maintenance Kit A (IF57A25590) for Optima 60/75/90 (Red Version)

Precision Intake Maintenance for the Optima Red Series The Mattei Maintenance Kit A (IF57A25590) is the specific 2,500-hour service package engineered for the "Red Version" (R-Series) Optima 60, 75, and 90 Variable Speed Drive compressors. As the high-efficiency evolution of the Optima line, the Red Series features updated internal geometry to maximize specific power; this kit ensures the intake system matches those tighter specifications perfectly.

This "Minor Service" kit is your first line of defense, ensuring that the air entering the compression chamber is pristine, protecting the precision-machined stator and rotor from particulate damage while allowing the VSD to modulate freely.