Lennox 10M75 Limit Switch L99H008 The adjustable differential can be

The adjustable differential can be set by moving the internal lever

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

Field technicians recognize this part for its durable construction and constant airflow capabilities

this pilot-operated valve excels in controlling the flow of air

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 adjustable differential can beThe 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