8430-3861 Coleman MACH

8430-3861 Coleman MACH A/C Control Box (J-Box Assembly)

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8430-3861 Coleman MACH A/C Control Box (J-Box Assembly)

Upgrade your Coleman MACH rooftop A/C system with the reliable 8430-3861 Control Box—also known as part number C8430-3861. This OEM J-Box Assembly is engineered for seamless integration with select Coleman MACH air conditioners, providing dependable control and compatibility with analog wall thermostats.

REPLACES: 8430-3851, 8330-3851, 7330B5551

Compatible Systems: MACH 15, MACH 3+, MACH 1, Legacy cool-only control box Older MACH 1, MACH 3

Analog wall thermostat; no heat pump 7330F3852--> 7330F3858-->9420-351

🔧 Key Features:

  • Direct replacement for Coleman MACH systems using analog controls

  • Streamlined wiring for quick installation and serviceability

  • Durable housing protects internal components from vibration and heat

  • Compatible with thermostat models like 7330F3852 and 7330G3351

  • OEM part ensures proper fit and function—no guesswork required

📦 Specs:

  • SKU: C8430-3861

  • Weight: 2.457 lbs

  • Color: White

  • Control Type: HVAC J-Box

  • Power Source: 12V DC (system dependent)

💡 Ideal For:

  • RV technicians and mobile home service pros

  • HVAC installers seeking reliable Coleman MACH replacements

  • Bundling with rooftop units, thermostats, and wiring harnesses