the BFK083S can be used in unidirectional systems

preventing hazardous operation during maintenance

Universal Compatibility: Suitable for use in liquid line and hot gas defrost applications across a wide range of refrigerant types

The 22" leads provide sufficient length for secure wiring into the control circuit

Avoid mounting with the sample line connections pointing "up" to prevent moisture or debris accumulation from affecting the diaphragm's sensitivity

Trane SWT1271 Limit Switch the BFK083S can be usedThe Trane SWT1271 is a critical furnace high limit switch designed for HVAC system diagnostics and thermal protection. As a standard OEM replacement part, this auto reset limit switch prevents the heat exchanger from reaching a hazardous open temperature of 180F, cutting off power to the gas valve until the unit cools to its 150F reset point. For technicians troubleshooting furnace short cycling or 4 flash error codes on a Trane or American Standard