Flue - Wikiped
Flue - Wikipedia
2019-6-19 · A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself.[1] In the United States, they are also known as vents for boilers and as breeching for water heaters and modern furnaces. They usually
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