A flue is a 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]
Flu and flue are commonly confused words but mean different things. Flu refers to the influenza virus, a contagious respiratory illness that can cause fever, cough, and body aches. On the other hand, flue is part of a chimney used to expel smoke and gases from a fireplace or furnace.
FLUE meaning: 1. a pipe that leads from a fire or heater to the outside of a building, taking smoke, gases, or…. Learn more.
What is a Chimney Flue? The chimney flue is a duct, pipe, or opening in the chimney designed to remove exhaust gases from the fireplace, furnace, water heater, generator, or boiler to the outdoors. Originally, the term flue meant the chimney itself.
The flue serves three practical purposes: it channels dangerous combustion byproducts (carbon monoxide, smoke, water vapor) out of your living space, it protects the surrounding chimney structure from heat and corrosive gases, and it creates draft.
Don't mistake flue for its homonym, flu — rather than an illness, a flue is a duct or pipe that's connected to a stove, heater, furnace, or fireplace. Smoke or gas can flow freely through the flue, which allows the appliance to work properly and vents any nasty exhaust away from people.
What Is Flue Gas Analysis? The term "flue" refers to the long pipes that are used to discharge exhaust gases, and are commonly found as chimneys, ducts, or simple pipes. The gases ejected by flues ...