Lennox 69W42 Limit Switch L220-30

Lennox 69W42 Control Limit Switch is a device in HVAC systems. It is a switch that opens or closes a circuit by reaching a certain temperature limit. The Lennox 69W42 sets the threshold at 220°F in furnaces, and will shut off power to the heating element if the temperature reaches 220°F. It serves to avoid furnace malfunctions and fire hazards. The Lennox 69W42 Control Limit Switch automatically regulates temperature fluctuations, protecting your HVAC system from getting into a dangerous and incessant situation. It is simple to design, as it is constructed long lasting.