Lennox 10M61 Limit Switch L180°F-40°F

The Lennox 10M61 Limit Switch L180-40F is a safety device that is necessary for furnaces and other HVAC equipment. It also works as a switch-off mechanism depending on the temperature. Limit switches a type of switch that interrupt or close an electrical circuit depending on a physical condition that is detected. In the case of the 10M61, it measures temperature. It is aimed at switching off the furnace before it reaches high temperatures so that it will not overheat or damage the equipment and possibly cause fire. The Lennox 10M61 Limit Switch L180-40F is used in the temperature range of 180°F to 40°F.