Trane SWT1271 Limit Switch unit ventilators

unit ventilators

or poor electrical supply—rather than disabling the safety device

While it fits many universal Danfoss valve bodies

extending the service life of the entire drive assembly

Trane SWT1271 Limit Switch unit ventilatorsThe 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