Gas Fireplace Flue Size

Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces.

Gas fireplace flue size.

A 6 stove should use a 6 chimney or a 7 1 2 x 7 1 2 flue tile. How to determine proper flue size. A 6 inch stove requires a 6 inch flue. In most cases you can also step up a size or two for instance a 6 stove could vent into an 8 insulated chimney.

As a general rule of thumb the area of a. As a general rule the diameter of the chimney should match the flue collar on your wood stove. The size of your flue vent connector or flue pipe needed depends on several variables including. Improper flue sizes are a leading cause of poorly drafting fires.

In general your should use the same size chimney diameter as the flue collar on your stove i e. Flue size common venting uses. To provide adequate draft and safe venting of combustion products the chimney flue for a fireplace has to be adequate in size or cross sectional area. 8 1 2 x 13.

8 1 2 x 8 1 2. Outside diameter inches inside area square inches 7 1 2 x 7 1 2. The size and input btuh of each of the appliances being vented the size of the flue vent connector on each of those appliances this will be the bare minimum and is typically the size of the vertical flue vent connector between the appliance. In most cases a step up is also fine.

Venting a wood stove. A flue that is too small won t allow the fireplace gases to exhaust properly and a flue that is too large will be cool down too quickly causing condensation and creosote buildup within the flue.