Collection: Trane Furnace Limit Switches | High & Low Voltage OEM Safety Parts

     Ensure your heating system operates safely with genuine Trane furnace limit switches. We carry a full selection of high-limit and low-voltage fan limit controls, including manual reset and automatic reset switches. These critical safety components are designed to monitor internal temperatures and prevent overheating in your Trane furnace. Search our inventory by the L-number or part number found on your existing switch (e.g., THT or SWT) to find the exact temperature-rated replacement for your model.