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

Automatic System Recovery: Integrated auto reset functionality eliminates the need for manual intervention after the system reaches a safe 130°F temperature

this 068U1039 orifice is technically validated for use with R32

this component is rated for use in both 50Hz and 60Hz electrical environments

Utica-Dunkirk 240005543 Burner Tube The "Super Slim Jim" designThe Utica Dunkirk 240005543 Burner Tube is a high performance, 1. 5" OD burner tube engineered for long term reliability in specialized combustion systems. Featuring a 22 5 8" overall length, this cast iron boiler burner tube replacement utilizes an advanced venturi design to stabilize flame architecture and optimize gas air mixture, particularly in high demand residential and commercial hydronic applications. This OEM component serves as a direct,