Lennox 71G12 Rollout Switch 210°F Manual Reset SPST

The Lennox 71G12 Rollout Switch is safety device intended for your Lennox heating system furnaces. This small but vital part, is mainly responsible for the protection against over heating. It works like an SPST switch, a switch that is capable of making or breaking one circuit. it is in the closed position and it turns on when the temperature in the furnace rises to a certain value usually 210°F in this case. This opens to the heating element which makes it impossible to add heat to the inside of the furnace thus protecting it. The manual reset feature also help to guarantee that the system is remain off until you discover why it is overheating then make a effort to reset the switch.