Reznor 201962 Limit Switch and multi-stage heating systems requiring

and multi-stage heating systems requiring a normally open contact

Always verify your incoming line voltage with a multimeter and cap off any unused primary leads with wire nuts

While a 2-pole contactor can physically break both legs of power

it ensures consistent performance and system reliability in residential and light commercial equipment

600V rated leads and an external LED indicator for immediate visual verification of relay status

Reznor 201962 Limit Switch and multi-stage heating systems requiringThe 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