Which control box to use after upgrading Coleman AC with heat pump, using In Command system
Coleman Mach 15 48004-066 HP2 RV Air Conditioner With Heat Pump - White
RV Air Conditioners
I just upgraded my RV with Coleman-Mach 48004-666 with a heat pump, which control box do I need when using the "In Command" system?
Question ID: 6415027 Status:
Open Oct 30, 2025 - 01:33 PM
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