Coleman Mach 9420-351 Analog Heat/Cool RV Thermostat -- Black
One wall-mounted control for your RV air conditioner, gas furnace, or electric heat strips. Simple analog operation, proven reliability, and direct compatibility with Coleman Mach roof-top A/C systems.
The Coleman Mach 9420-351 is a single-stage analog wall thermostat designed specifically for RV use. It gives you centralized control over heating and cooling from a single location -- no complex menus, no app required. Turn the dial, set your temperature, and let the system do the work.
This thermostat operates on 12V DC, making it fully compatible with RV electrical systems. It handles the three most common RV climate sources: a rooftop air conditioner, a propane furnace, or electric heat strips, all through one unit.
Simple rotary dial temperature control with no digital display to fail or backlight to replace. Read your setting at a glance.
Switches between A/C cooling and heating -- gas furnace or electric heat strips -- from a single thermostat.
Includes fan-only mode so you can circulate air without running heating or cooling -- useful for mild weather and ventilation.
Runs directly off your RV's 12V house battery system. No 120V connection required at the thermostat itself.
The 9420-351 is a single-stage thermostat, meaning it activates one level of heating or cooling output. It is compatible with:
This thermostat suits RV owners who want a reliable, no-frills replacement for a worn or failed analog thermostat. It is a strong choice for:
If you want to add WiFi or Bluetooth app control to your Coleman Mach system, the Micro-Air EasyTouch RV 352C is a compatible smart thermostat upgrade available in black or white. It uses the same low-voltage wiring as the 9420-351 in most installations.