Flue Vents For Chimneys

The area around the flue piping should be sealed where it enters the chimney.

Flue vents for chimneys.

Flue the term flue refers to the passage by which smoke gas or products of combustion are moved to the outdoors. An unlined chimney is technically a flue even though an unlined chimney is a fire hazard. For the venting of oil fired appliances to masonry chimneys the resizing shall be in accordance with nfpa 31. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article.

Ducts pipes vents and even chimneys can all be considered types of flues. This can cause confusion as many view flues not just as a passage for venting but as a safe passage for venting. A flue is simply a passage for conveying exhaust gases from an appliance to the outdoors. Direct venting or side wall vent chimney and flue systems are a method of venting the exhaust gases from a heating appliance directly out through the side wall of a building while eliminating the need for a vertical chimney of any sort.

The chimney or vent shall be resized as necessary to control flue gas condensation in the interior of the chimney or vent and to provide the appliance or appliances served with the required draft. For the venting of oil fired appliances to masonry chimneys the resizing shall be done in accordance with nfpa 31. The chimney or vent shall be resized as necessary to control flue gas condensation in the interior of the chimney or vent and to provide the appliance or appliances served with the required draft. A flue may be a duct pipe vent or chimney.

The purpose of the flue is to protect the rest of the home from the heat of the byproducts of combustion caused by a fire.