FTSs² Heating Upgrade Kit for ALL Chronical & UnitankThis kit is for existing owners of the Ss Brewtech FTSs Chilling system who want a two stage switchable controller and a custom heater pad for their Chronical conical fermenter or Unitank. Kit includes: 1 x heater pad 1 x power supply 1 x switchable FTSs digital controller (handles both heating and chilling duties) Digital temp controller (displays both C F) 110 240V (global use) 8A power supply Use your original existing components such as the FTSs