OEM Genuine AdobeAir MasterCool Part for Evap Cooler (aka "Swamp Cooler"). Wiring Not Included - Thermostat Only. Includes Mounting Screws. YWRGB Jumper Terminal w/Screw-Down Termination (Yellow, White, Red, Green, Blue Wires). Intended to be direct replacement for existing P225201A thermostat. This is not a universal thermostat. Professional installation recommended.. Mastercool AdobeAir Inc P225201A Contractor Series Thermostat for Evaporative Cooler - This is not a universal thermostat. This thermostat is an OEM replacement. This product is meant to be installed by professionals. It is intended only to be a direct replacement for existing P225201A thermostats. It is not compatible with other part numbers. This product does not include "directions" from the manufacturer. When replacing existing unit, you simply line up the YWRGB wires and screw them into place.. Mastercool. AdobeAir Inc. P225201A.