Lennox 42J05 130-170F Auto Limit Switch

The Lennox 42J05 is an Auto Limit Switch with 130-170F, a safety device used in HVAC systems, specifically furnaces. This switch is supposed to regulate and detect temperature within the heating unit. It works within a temperature of 130 to 170 degrees Fahrenheit and shuts on and off the heating element to make it work safely. It is specially made for Lennox heating equipment so it can operate with optimal effectiveness and reliability by preventing overheat and damages on the system. It enhances privacy by offering better management of its temperature to increase the safety of the system and the comfort of the occupants.