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Fire & Water - Cleanup & Restoration

What is a “Puff Back”?

12/5/2016 (Permalink)

What is a “Puff Back”?


During the cold months when furnaces get turned on, one danger is the furnace puff back or blow back. This malfunction occurs when an explosion inside the burner chamber of the boiler or furnace causes built-up hydrocarbons to exit from vents, creating a sooty mess.

Oil-fired heating units are most prone to puff backs, and proper maintenance of your oil burner is the only way to prevent these unfortunate mishaps. Once a puff back has happened, you’ll often notice soot lining the areas in direct venting distance of your air vents. You may notice a soot blowout near the furnace itself. In any case, it will be hard not to notice your furnace has experienced a puff back and even harder to clean it yourself.

Puff backs can be tricky to clean up. We at SERVPRO of Long Beach/Oceanside have a highly trained staff and use eco-friendly cleaning materials to get the job done quickly and efficiently, leaving no trace of soot or nasty odor.

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