Key Benefits OEM Precision: Guaranteed 110°F close/90°F open thresholds for optimized blower cycling and energy efficiency

significantly reducing the requirement for internal panel space and dedicated field enclosures

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

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

each of the six valves in this pack comes fully assembled with a CD4450 valve core and a heavy-duty brass wrench cap for immediate installation

Utica-Dunkirk 240005543 Burner Tube Key Benefits OEM Precision: GuaranteedThe 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,