Lennox 75M31 Limit Control

The Lennox 75M31 Limit Control is an essential safety control for HVAC systems particularly the furnace, air handler. It serves as an overheating protector because it keeps on checking the temperatures. It is a small device that can easily fit in your pocket, yet it is essential to protect your equipment from potential harm. The limit control is used to prevent the temperature from going high, if the temperature goes high, it cuts off the burner. This safety feature is an added bonus and will ensure your HVAC system is safe from the expensive damages.