Upgrade your RV air-conditioning system with this high-quality control box assembly. Measuring 15.94 in. D x 3.74 in. W x 2.95 in. H, it's compact enough to fit in your RV's tight spaces. This control kit is essential if your RV air conditioner uses a wall thermostat. It allows for excellent temperature control, making your journey more comfortable. It's compatible with ductless, horizontally ducted, or Mach 15 RV air conditioners that have wall temperature sensors. The part number 9330C755 ensures a perfect fit. Installation is a breeze; it's a plug-and-play component. Just loosen the bolts and wires, replace the old component with the new one, and plug the wires back into their original positions. The package comes with a controller, a temperature monitoring cable, screws, fixing brackets, and yellow caps. Enhance your RV living experience with this efficient and easy-to-install control box.