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

or improper venting

Universal Compatibility: Fully compliant with SAE J513 and AHRI standards for use with standard HVAC manifold gauges

This kit utilizes a standard #8-32 thread pitch

Maxon 18722 Rubber Cover The "Super Slim Jim" designEnsure 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