The 3-blade configuration operates with a clockwise (CW) rotation

Use a specialized oil pump for charging to minimize atmospheric exposure

Debris-Resistant Internals: Engineered with no close-fitting sliding parts in the water passages

Key Benefits Universal Compatibility: Serves as a cross-reference for Ranco 8403-057

Utica-Dunkirk 550002261 Burner Tube 319848-301 The 3-blade configuration operates withThe Utica Dunkirk 550002261 Burner Tube is a critical OEM replacement part designed for high efficiency gas fired boilers and specific atmospheric heating units. This assembly features an integrated pilot bracket and comes complete with an air shutter and high grade burners tube construction to ensure precise fuel to air mixing. Engineered for natural gas applications, this unit maintains flame stability and reliable ignition system performance under