Lennox 30M03 Limit Switch Freon Always check for continuity across

Always check for continuity across the element and verify that the 24V signal is reaching the sequencer before replacing the entire assembly

providing precise airflow control to maintain system static pressure and optimize energy consumption

Standard R41706-004 assemblies typically require external circuit protection

The corrosion-resistant stainless steel cores and silicone-free construction provide structural integrity under high differential pressures

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

Lennox 30M03 Limit Switch Freon Always check for continuity acrossThe 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