Internal Motor Protection: Prevents permanent damage to the compressor by breaking the circuit during overheating

This is the aftermarket dual probe assembly designed to fit into the existing boiler manifold

this component is the direct successor to the legacy B945672

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

The Siemens Building Technology 243-0018 Signal Selector is a high-performance

Reznor 201962 Limit Switch Internal Motor Protection: Prevents permanentThe 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