Cozy Heaters 74306 Limit Switch L140-10F

The Cozy Heaters 74306 Limit Switch, referred to as the L140-10F type. It is a small safety device for Cozy brand furnaces and possibly other related HVAC appliances. It has a set temperature range and it typically ranges between 10°F and 140°F. In normal state, the switch is in closed position permitting a normal operation of the furnace. But if the temperature of the furnace rises beyond the set limit because of a defect or some other reason, the power supply to the burner is cut off, preventing further rise in temperature and further damage to the furnace. In other words, the Cozy Heaters 74306 Limit Switch works like a safety device that turns off the burner when it becomes too hot, thus preventing a breakdown of your furnace and enhancing dependable operation.