Direct Vent Fireplace Venting Requirements

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Direct vent fireplace venting requirements. The exhaust vent terminal shall. Venting systems vent connectors slope in ft upward to chimney vent not smaller than appliance flue up to 2 sizes larger than appliance flue length depends on type for single appliance single wall 75 of vent height b vent 100 of vent height 18 inch diameter for multiple appliances 34. Natural vent natural vent also referred to as b vent hearth products take in combustion air from inside the home and vent products of combustion outside home via a brick and mortar chimney or pipe venting system installed through the roof. It typically has a 1 inch clearance when it is run vertically but when it is run horizontally the clearance requirements vary.

You can find some of these fireplaces here if you re looking for a vent free option you can find some great options here yes the best fireplaces on the market generally use a direct vent venting system. One of the benefits of this type of design is that it must draw air necessary for combustion from the outside since the sealed combustion chamber does not allow air to be drawn in from around the fireplace. The exhaust vent terminal shall be located at least 3 feet above any forced air inlet located within 10 feet. Vent pipe for a direct gas fireplace is unique.

Electric fireplaces no venting is required. Gas log fireplace manuals. Wood fireplaces and stoves venting must be terminated to the outdoors vertically. You can finish it with drywall or some other material.

Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do. Fireplace inserts most are vented vertically through the roof via the existing chimney. Pellet stoves most are vented horizontally directly through the wall to the outdoors. If the vent remains inside the home you can conceal the system using a framed enclosure.

With the vent route and appliance selected check your list of venting components. This type of fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall of the home. Direct vent is a term used to describe a specifically designed fireplace that performs differently from the traditionally vented fireplace which use a chimney. The vent terminal shall be at least 12 inches below 12 inches horizontally from or 12 inches above any door window.

Ok you need an exhaust system for your new direct vent gas fireplace. Standard for chimneys fireplaces vents and solid fuel burning appliances nfpa 211 reduces fire hazards by ensuring the safe removal of flue gases the proper installation of solid fuel burning appliances and the correct construction and installation of chimneys fireplaces and venting systems. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance. For most wood burning fireplaces with a single venting system the choice is simple.

Direct vent fireplaces are best for newer more air tight homes.