Riello Oil Leakage / Incomplete Combustion Odor

Furnace produces a strong oil smell around the burner or in the room

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Leaking oil line fittings, Loose pump cover or bleed screw, Poor combustion causing smoke, Cracked flexible oil line

Safety: Turn off power and close the oil valve. Ventilate the area. Do not smoke or use open flames.

Steps:

Inspect for leaks: Wipe around the Riello pump, filter, and oil lines. Tighten fittings gently if seepage is found. Replace damaged flexible lines.
Check bleed screw: Ensure the pump bleed screw is fully tightened after bleeding.
Check combustion: Look for visible smoke at the flue. If present, shut down and schedule a combustion tune-up.

Medium 3/5

Flexible Oil Line

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