Mattei Maintenance Kit D (IF57A24872) for Optima 11

The 5-Year Lifecycle Reset for the Optima 11 The Mattei Maintenance Kit D (IF57A24872) is the ultimate service package for the Optima 11 Variable Speed Drive compressor. While Kit C handles the separation system, Kit D is a "Total Machine Rehabilitation" designed to replace components that degrade due to time and thermal cycling, regardless of run hours.