03/12/2026
# # **Universal Snap Disc & Proof of Fire Testing Guide**
**Is your pellet stove stuck in a "Cool Down" cycle or failing to stay lit?** The problem is likely a $30 safety sensor, not an expensive motherboard. In this video, I draw on **35+ years of technical experience** to show you exactly how to test any Proof of Fire (POF) switch or Limit Snap Disc using a simple multimeter.
# # **Universal Snap Disc & Proof of Fire Testing Guide****Is your pellet stove stuck in a "Cool Down" cycle or failing to stay lit?** The problem is likely a...