Description
The Lennox 87H91 Auto Limit Switch is an essential part of your HVAC system safety devices. It works as an automatic temperature shut-off switch for the temperature range of 130°F to 170°F. In layman terms, if the temperature within the HVAC equipment goes beyond a certain limit that you set the switch will shut of the system to avoid complications like overheating the equipment. This allows for the protection of the system’s durability and your security. Usually, this auto limit switch is installed in different Lennox HVAC equipment such as furnaces and heating systems.
