Pennco Flue Gas Spillage / Venting Problem

Boiler area smells like exhaust or fumes

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

Blocked chimney or vent, Cracked flue pipe, Negative pressure in mechanical room, Failed draft hood or inducer

Critical safety warning: Exhaust spillage can contain carbon monoxide. Turn off the boiler and ventilate the area. Install or check CO detectors.

Shut down: Turn off power and gas to the boiler.
Inspect venting: Look for disconnected, corroded, or blocked vent pipes. Do not operate the boiler until venting is secure and clear.
Room air: Ensure the boiler room has adequate combustion air openings per code.
Professional evaluation: Have a qualified technician or chimney professional inspect and correct venting issues.

Professional Required 5/5

Vent Pipe / Draft Hood

Check Price on Amazon

We may earn a commission from links on this page.