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Examples
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Several years later, she filed a claim for a puff-back of her furnace that left four rooms soot-covered.
The Seattle Times 2010
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a claim for a puff-back of her furnace that left four rooms soot-covered.
Berks county news 2010
omesiasv commented on the word puff-back
A delay in ignition is the most common cause for burner puff-back. Puff-back can cause the boiler door to blow open and the smoke pipe to fall down.
If the chamber has not been preheated, the combustion chamber, the flue, and the chimney can become filled with vaporized oil fumes. These fumes may become ignited and cause a puff-back.
June 16, 2009