REDUCE START-UP AMPERAGE - Extend the life of your Coleman-Mach air conditioner with our new soft start kit that reduces inrush amperage up to 75% and lessens overall power consumption HOW IT WORKS - Creates a ramped-up power draw at cycle startup for a smooth progression to running voltage thus eliminating troublesome voltage spikes. A short-cycle protection feature increases the overall life of an air conditioner with a Coleman-Mach soft start by lowering startup stress on the compressor. FEATURES - Unibody enclosure protects unit allowing for optimal performance in a range of weather conditions; No change to exterior aesthetics of AC unit; Easy install from the exterior of your coach FITS - Coleman-Mach Series 45000, 47000 and 48000 air conditioners WARRANTY - 2 year limited warranty; Installation will not adversely impact the existing Coleman-Mach warranty