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the high limit switch may be stuck open or tripped due to restricted airflow
Industrial Grade Coil: The 24V coil is designed for high-frequency switching and resistance to burnout in high-ambient temperature environments
Common Questions Can I use this seal cap on a 325-3 series regulator
Engineered with an aluminum core and a porous water-retention coating
Can I use this orifice for natural gas (NG) applications
Lennox 83L83 Limit Switch the high limit switch mayThe Lennox 83L83 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces. As a genuine Lennox OEM replacement part, this auto reset limit switch is engineered to open the electrical circuit to the gas valve if the plenum temperature exceeds the 180F safety threshold, preventing heat exchanger damage. Once the temperature drops to approximately 150F, the switch automatically closes to resume