Isotherm Compact Marine Refrigeration Systems make adding a refrigerator or freezer to your boat easy!These conversion kits come complete, pre-charged, and ready to install. Isotherm refrigeration kits use Danfoss/SeCOP compressors to cool an evaporator or holding plate fitted in the refrigerator or deep freezer box. This unit features seawater cooling and an O-evaporator to efficiently remove heat from refrigerated foods. It includes the patented SP thru-hull pump. Isotherm ice box conversion kits come complete with compressor, evaporator, thermostat and mounting bracket or plate, and they are fully charged with quick-connect, self-sealing valves for easy installation.