Trane Parts SWT01258 Furnace Thermal Limit Switch

The Trane SWT01258 Furnace Thermal Limit Switch is a critical safety component designed for use on select furnace models, ensuring reliable cutoffs when temperatures rise. With a temperature rating of 170°F (Open) and 140°F (Close), this limit switch helps prevent overheating and protects your heating system.

This furnace safety switch is built for durability and easy installation, making it a trusted replacement part for ongoing HVAC maintenance. The SWT01258 is a genuine Trane part, designed to meet the needs of residential and light commercial furnaces that rely on precise thermal control. It is engineered to withstand furnace vibrations and electrical heat, delivering consistent performance across seasonal temperature swings.

Key benefits include seamless integration with existing wiring, robust contacts for reliable operation, and a compact form factor that fits standard furnace circuits. Use this limit switch to safeguard your furnace against dangerous temperature spikes and ensure a reliable heat-on sequence.

• Open temperature: 170°F
• Close temperature: 140°F
• Compatibility: Used on Trane furnace systems (select models)
• Safety: Overheat protection to prevent damage and risk
• Installation: Quick replacement part for routine maintenance

Keep your heating system running smoothly with this high-quality Trane parts component, a dependable HVAC replacement part for years of safe, efficient operation.