Using a propane-sized orifice on a natural gas system will result in an insufficient pilot flame and system failure

This 240F Spill Switch M/R is a critical safety control mounted on the draft hood to detect flue gas spillage caused by chimney blockages or downdraft conditions

The 4-inch 304 stainless steel probe is hermetically sealed and crimp-attached to the housing

Its robust design is purpose-built for intake air filtration

It is suitable for different stroke lengths including 5/16"

Utica-Dunkirk 14615531 Burner Assembly Using a propane-sized orifice onThe Utica Dunkirk 14615531 Burner Assembly is a precision engineered OEM replacement part designed for high performance gas fired boiler systems. This assembly features an integrated pilot bracket, ensuring stable ignition and precise flame pattern alignment across the burner tube surface. Field tested for compatibility, this component is essential for maintaining the combustion efficiency of Utica WPSB Series II, Dunkirk XEB Series II, MGC Series,