If your furnace blower continues to run while the burners remain off

How do I diagnose a failing PTC relay

The color-coded orange finish allows for immediate identification in the van or during inspection

The "Super Slim Jim" design is specifically engineered for narrow slots and compact burner housings where a standard 11/32" or 3/8" thermocouple tip might be too bulky

This kit utilizes a standard #8-32 thread pitch

Maxon 18722 Rubber Cover If your furnace blower continuesEnsure reliable combustion cycles with the Maxon 18722 Rubber Cover, a critical protective component for your spark ignitor ignition assembly. Engineered as a high durability OEM replacement part, this rubber boot is designed to shield the porcelain insulator and electrical terminal from moisture, carbon buildup, and dust. For technicians servicing industrial burner systems, this cover prevents ignition arc tracking and unintended grounding, ensuring