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

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

verifying the continuity of this limit switch replacement is a standard diagnostic step

ensuring exact electrical trip points and mounting alignment

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

Reznor 201962 Limit Switch The Siemens Building Technology 243-0018The 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