Lennox 10M75 Limit Switch L99H008 The kit is designed to

The kit is designed to withstand high flue gas temperatures

Maintaining proper superheat settings is simplified with this factory-calibrated component

as an unprogrammed sensor

Simple Calibration: Includes a fully-calibrated dial allowing for intuitive adjustments without the need for high-end manometers during basic setup

Lennox 10M75 Limit Switch L99H008 The kit is designed toThe Lennox 10M75 Limit Switch is a critical safety component designed for high limit thermal protection in Lennox HVAC systems. Engineered as a genuine OEM replacement part, this L210 40F limit switch operates on a snap disc thermal response mechanism to monitor heat exchanger temperatures. It is calibrated to open the circuit at 210F and automatically reset when temperatures drop by a 40F differential (resetting at 170F). This auto reset furnace