Lennox 83L90 Limit Switch this SPST (Single Pole Single

this SPST (Single Pole Single Throw) switch provides the exact calibration required for high-duty cycle environments

this flow probe is the standard solution for pressure switch circuit errors and airflow restriction codes

it utilizes a stainless steel outer jacket to prevent heat blistering and a high-conductivity copper and nickel alloy core for stable electrical output

it features a precise outer diameter and cross-sectional thickness to match OEM specs

If the inducer fan and airflow are verified

Lennox 83L90 Limit Switch this SPST (Single Pole SingleThe Lennox 83L90 Limit Switch is a critical OEM automatic primary limit control designed for high performance Lennox furnace assemblies. This SPST switch is engineered to monitor heat exchanger temperatures, providing essential over temperature protection by opening the electrical circuit when the high limit threshold of 210F is reached. As a genuine Lennox 83L9001 equivalent, it features a 3 inch insertion length to ensure the sensor is positioned