38203-066 Coleman-Mach Mach 3 Plus RV Rooftop A/C 13.5K BTU, (White)
🌀 Coleman-Mach 38203-066 – Mach 3 Plus RV Rooftop A/C (13.5K BTU, Textured White)
The Mach 3 Plus 38203-066 is a rugged, medium-profile rooftop air conditioner built for reliable cooling in demanding RV environments. With a 13,500 BTU output and 320 CFM airflow, it’s a trusted performer in Coleman-Mach’s Signature Series—designed to keep your rig cool, efficient, and road-ready.
🔧 Key Features:
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Cooling Capacity: 13,500 BTU
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Airflow: 320 CFM (cubic feet per minute)
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Voltage: 120V AC
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Profile: Medium height
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Finish: Textured White
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Dimensions: 13.8" H × 26.1" W × 38.0" L
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Cut-Out Requirement: Standard 14" × 14" roof opening
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Refrigerant: R-32 (EPA-compliant, low GWP)
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Weight: ~79.5 lbs
💡 Technician Notes:
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Compatible with ducted and non-ducted ceiling assemblies
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Heat strip ready — add optional 37203-4551 for 5,600 BTU supplemental heat
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Built with all-copper tubing and gas-flux brazed joints for long-term durability
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Large evaporator and condenser coils with raised lance fins for superior heat dissipation
🔌 Control Compatibility:
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Works with Coleman-Mach control boxes and thermostats
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Firefly-compatible when paired with 9630A751 zone control box and 9330A3341 thermostat