Amana-Goodman 10728339 Auto Limit Switch L190-40F

The Amana-Goodman 10728339 Auto Limit Switch is an auto protection part that is used to prevent heating, ventilating and air-conditioning systems from overheating. It works in a temperature range of 150°F to 190°F. This switch works in the following way, it measures the temperature of the system’s parts. If the temperature is too high the switch opens and stops the power supply to the system and thus avoids further damage. This safety mechanism is useful in protecting HVAC from such damage and also ensures the proper working of the system is maintained.