RANCO direct replacement constant differential or constant cut in cold controls. Used on commercial refrigerators, freezers, ice machines, vending machines, beverage coolers, and water coolers. Controls have SPST switching with "Off" position unless noted. These compact controls are readily adaptable to nearly all commercial refrigerators and freezers. A wide selection of temperature ranges, differentials, and capillary lengths are available. Break off shafts are included with installation instructions for easy, fast installation.