Trane SWT1271 Limit Switch Key Benefits: System Compatibility: Precision-fit

Key Benefits: System Compatibility: Precision-fit for Powers ETV400-10

unit ventilators

or poor electrical supply—rather than disabling the safety device

Often identified as 208T11 in technical cross-references

Trane SWT1271 Limit Switch Key Benefits: System Compatibility: Precision-fitThe 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