Direct Vent Fireplace Venting Requirements

It typically has a 1 inch clearance when it is run vertically but when it is run horizontally the clearance requirements vary.

Direct vent fireplace venting requirements.

The exhaust vent terminal shall be located at least 3 feet above any forced air inlet located within 10 feet. Direct vent is a term used to describe a specifically designed fireplace that performs differently from the traditionally vented fireplace which use a chimney. 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. Ok you need an exhaust system for your new direct vent gas fireplace.

This type of fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall of the home. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance. Also see more citations at references at the end of this page. 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. Pellet stoves most are vented horizontally directly through the wall to the outdoors. The vent terminal shall be at least 12 inches below 12 inches horizontally from or 12 inches above any door window. 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.

With the vent route and appliance selected check your list of venting components. If the vent remains inside the home you can conceal the system using a framed enclosure. Direct vent fireplaces are best for newer more air tight homes. Gas log fireplace manuals.

Ideally you d want to route the vent pipe to the corner of a room or in a closet to avoid its visibility. Fireplace inserts most are vented vertically through the roof via the existing chimney. 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. Vent pipe for a direct gas fireplace is unique.

Sources of direct vent gas fireplace clearance information. Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do. 5 tjernlund gas side wall power venters tjernlund corporation 1601 9th street white bear lake mn 55110 6794 tel. Wood fireplaces and stoves venting must be terminated to the outdoors vertically.

Electric fireplaces no venting is required.