Auto Reset Limit Switch Replacement For ProTech Furnaces, SPST NC, 170F Open And 150F Close Activation, 47-25349-02 Compatible, Furnace Safety Cutoff, Easy Install, No-Brainer Open Close Switch For ProTech Systems

Auto Reset ProTech Furnace Limit Switch Replacement (Single)
✔️ Tool-free installation; 170F open / 150F close; 400°F housing

Auto Reset Limit Switch replacement for ProTech furnaces, designed to drop into the existing safety circuit. It replaces model 47-25349-02 and installs quickly with screw terminals.

✅ SPST NC configuration for safe control
✅ Open at 170°F, close at 150°F activation for overheating protection
✅ Industrial-grade housing handles up to 400°F
✅ Tool-free installation, no wiring changes required
✅ Fits ProTech furnaces with 47-25349-02 compatibility

💡 What is a furnace limit switch used for and why replace it?

In simple terms, it guards the furnace by interrupting power when temperatures climb too high.

- handy safeguard for heating systems to prevent overheating and unintended starts - good match for ProTech systems using 47-25349-02 - quick, screw-terminal installation without rewiring