This is a BRAND NEW Universal 175 degree 1 Pole Fan switch (F175-2). Replaces Mars Part # 39012 White Rodgers # 3F01-175 and 2511F002-195A01. The switch closes at 175 degrees and opens at 155 degrees. The insertion portion of the switch is 3/4" in diameter. Thanks for looking and good luck!
A limit switch is a safety device designed to shut down a piece of equipment. Limits have a set point, which is in some cases, adjustable. The set point prevents the temperature or pressure from exceeding the rating of the switch.
F175-2 F175 39112 3F01-175 2511F002-195A01