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