| Slotted mounting holes for easy installation | Long terminal screws for wiring — Junctions can be made on terminal block | Dial has individual pointers for fan cut-in and cut-out settings | Removable solid copper jumper between fan and limit switches | Summer fan switch for ventilation without changing control settings. Has same fan and limit switch mechanism | 65 to 220° F fan off | 50 to 205° F fan on | Single Element Type for Applications with Narrow Space Limitations. Regulates Fan or Blower Operation & Acts as High Limit Safety Control.