Lennox 30M03 Limit Switch Freon This high-limit safety control is

This high-limit safety control is a direct-fit solution for maintaining the structural integrity and operational safety of industrial heating systems

Versatile Range: Field-adjustable 2-20" water column set point range allows for precise tuning across multiple burner types

this unit serves as the Trane MOT10511 genuine OEM replacement for several legacy part numbers

By maintaining low pressure drops while maximizing contaminant retention

even under severe mechanical stress

Lennox 30M03 Limit Switch Freon This high-limit safety control isThe Lennox 30M03 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC furnaces. This fixed temperature limit control is engineered with a specified range of 140 170F, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. As an OEM Lennox replacement part, this switch features an automatic reset mechanism, transitioning back to a closed state