Common issues include the unit being stuck in heating or cooling mode

This component is a Factory Authorized Part primarily intended for Carrier

the 47-102684-83 includes terminals for both high-pressure and low-pressure (loss of charge) switch circuits

replacing obsolete switches 68266 and 125133

Reznor 201961 Limit 326010-701 Common issues include the unitThe Reznor 201961 Limit Switch is a high temperature safety control engineered for specific gas fired unit heaters, including Reznor UDAP, UDAS, UBX, and UBZ series. This OEM Reznor replacement part features a factory calibrated trip point of 275F (135C) to prevent heat exchanger damage and combustion failures. This SPST auto reset limit is identified by its distinct green dot, ensuring technicians can quickly verify the thermal rating during a field