Lennox 74W75 Limit Switch 225°F

The Lennox 74W75 Limit Switch is a safety device, which is intended for use in Lennox heating and cooling systems. This critical component is for temperature control inside your furnace and it breaks the electrical circuit when the temperature gets high, its limit is 225°F. As a result of the overheating, the limit switch whithdraws the power supply and shuts down the system, thus protects your furnace from damage while providing its regular functioning. This assists in avoiding mechanical failure and greatly calendared life and performance of your Lennox HVAC apparatus.