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2. Chimney - Wikipedia

   en.wikipedia.org/wiki/Chimney

   Class A are either an insulated, double wall stainless steel pipe or triple wall, air-insulated pipe often known by its genericized trade name Metalbestos. Class B are uninsulated double wall pipes often called B-vent, and are only used to vent non-condensing gas appliances. These may have an aluminum inside layer and galvanized steel outside ...

3. Wood-burning stove - Wikipedia

   en.wikipedia.org/wiki/Wood-burning_stove

   Keeping the air flowing correctly through a wood-burning stove is essential for safe and efficient operation of the stove. Fresh air needs to enter the firebox to provide oxygen for the fire; as the fire burns, the smoke must be allowed to rise through the stove pipe, creating negative pressure in the firebox, and exit through the chimney.

4. Double-walled pipe - Wikipedia

   en.wikipedia.org/wiki/Double-walled_pipe

   It is a pipe within a pipe, or encased in an outer covering, with an annulus (interstitial space) between the two diameters. The inner pipe is the primary or carrier pipe and the outer pipe is called the secondary or containment pipe. The great majority of double-walled piping applications involve wastewater, groundwater, and process safety. [1]

5. Pellet stove - Wikipedia

   en.wikipedia.org/wiki/Pellet_stove

   Unlike wood stoves, which operate exclusively on a principle of chimney draft, a pellet stove must use a specially sealed exhaust pipe to prevent exhaust gases escaping into the living space due to the air pressure produced by a combustion blower. Pellet stoves require certified double-walled venting, normally three or four inches in diameter ...

6. Fireplace - Wikipedia

   en.wikipedia.org/wiki/Fireplace

   Metal-lined flue: Double- or triple-walled metal pipe running up inside a new or existing wood-framed or masonry chase. Newly constructed flues may feature a chase cover, a cap, and a spark arrestor at the top to keep small animals out and to prevent sparks from being broadcast into the atmosphere. All gas fireplaces require trained gas service ...

7. Russian stove - Wikipedia

   en.wikipedia.org/wiki/Russian_stove

   The stove was, and is still used today for cooking and had a strong influence on the taste of Russian cuisine. [7] Dishes where the stove is used are pancakes to bake or pies. The porridge or the pancakes prepared in such a stove may differ in taste from the same meal prepared on a modern stove or range.