Inspect the first pass of the tubes for pinholes

preserving the efficiency of the Forsaire furnace without compromising on safety or compatibility

The mechanical temperature gauge provides a reliable

Doing so allows large debris to short out the ionizing wires

Trane SWT1936 Limit Switch 322057-301 Inspect the first pass ofThe Trane SWT1936 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC systems. This high limit cutout switch features a 120 degree Fahrenheit open and 90 degree Fahrenheit close configuration, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for compatibility with dedicated Trane and American Standard furnaces, the SWT01936