this specific model features a 24VAC primary voltage

Industrial Build Quality: Constructed with high-temp resistant polymers and a responsive bimetal disc for accurate thermal cut-off

and 'F' (Fan) connects to the condenser fan motor

You must always match the temperature ratings (L120-20) of the existing bimetal limit switch to ensure the furnace operates within its designed safety parameters

or Penn-Baso with the same lead length

Reznor 201962 Limit Switch this specific model features aThe Reznor 201962 Limit Switch is a high temperature safety control engineered for precision in commercial HVAC unit heaters. This OEM Reznor 201962 component features a calibrated 170 250F temperature range and an auto reset function, ensuring the system resumes operation once internal temperatures return to a safe threshold. Designed for industrial gas fired heaters, it serves as an essential SPST limit control, specifically replacing worn or