Gas Fireplace Flue Size

As a general rule the diameter of the chimney should match the flue collar on your wood stove.

Gas fireplace flue size. 8 1 2 x 8 1 2. Stoves fireplaces central heaters. A 6 inch stove requires a 6 inch flue. The way wood stoves and fireplaces work a correct match on fitting the flue size to the appliance is a must.

Flue size common venting uses. The size of your flue vent connector or flue pipe needed depends on several variables including. 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. Outside diameter inches inside area square inches 7 1 2 x 7 1 2.

A 6 stove should use a 6 chimney or a 7 1 2 x 7 1 2 flue tile. 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. As a general rule of thumb the area of a. In most cases a step up is also fine.

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. This article series provides information about masonry fireplaces. In general your should use the same size chimney diameter as the flue collar on your stove i e. How to determine proper flue size.

In most cases you can also step up a size or two for instance a 6 stove could vent into an 8 insulated chimney. Venting a wood stove.