Direct Vent Gas Fireplace Venting Requirements

Sources of direct vent gas fireplace clearance information.

Direct vent gas fireplace venting requirements.

Gas fireplace venting requirements. 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. Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do. Pellet stoves most are vented horizontally directly through the wall to the outdoors.

Also see more citations at references at the end of this page. It typically has a 1 inch clearance when it is run vertically but when it is run horizontally the clearance requirements vary. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance. 9 elegant gas fireplace venting requirements.

Wood fireplaces and stoves venting must be terminated to the outdoors vertically. Direct vent gas fireplaces most are vented to the outdoors horizontally directly through the wall but they can also be routed vertically through the roof. Gas log fireplace manuals. Vent pipe for a direct gas fireplace is unique.