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The RIELLO 3005855 is a universal flange designed for use in oil burner installations. The flange serves as a mounting and sealing interface between the burner assembly and the combustion chamber or boiler front plate. It is a direct replacement component intended for technicians servicing residential and light commercial heating equipment. The universal design allows it to fit a range of standard burner configurations, reducing the need to source model-specific hardware during a service call.
This flange is suited for oil-fired heating systems where a worn, damaged, or missing burner flange needs to be replaced. Oil burner service technicians will encounter this part during routine burner swaps, boiler retrofits, and combustion system overhauls. It is sold as a single unit.
Designed as an OEM-style replacement flange for RIELLO oil burner systems. Consult the equipment documentation or RIELLO technical support to confirm fitment for your specific burner model before installation.
Installation should be performed by a qualified oil burner technician familiar with RIELLO equipment and applicable local codes. Shut down the burner and allow all components to cool before beginning disassembly. Ensure the flange seating surface is clean and free of debris before mounting to avoid air leaks at the burner-to-combustion chamber interface. Follow the burner manufacturer guidelines for fastener engagement and proper alignment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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