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This control box is a direct replacement part for Coleman-Mach digital zone air conditioning systems, designed to work with the 9330A3341 or 9330A3351 zone control assemblies.
Airxcel, the manufacturer behind Coleman-Mach, produces a full line of climate control equipment for RVs, and this control box is built to their OEM specifications for a proper fit and function in existing zone control setups.
Order this if your existing zone control box has failed and you need an OEM-fit replacement.