Honeywell Electronic Oil Aquastat, 120 Vac, 130-240 Degree High Limit Operating Range, 110-220 Degree Low Limit Operating Range, 5-20 Degree High Limit Differential, 10-25 Degree Low Limit Differential Temperature, 0-95% RH Non Condensing Operating Humidity Range, Well Mount, Horizontal or Vertical Position, or Flush Mounted Remote from Well