Direct Vent Gas Fireplace Venting Requirements

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Direct vent gas fireplace venting requirements.

Vent pipe for a direct gas fireplace is unique. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance. 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. Gas log fireplace manuals.

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

Sources of direct vent gas fireplace clearance information. 5 tjernlund gas side wall power venters tjernlund corporation 1601 9th street white bear lake mn 55110 6794 tel. 9 elegant gas fireplace venting requirements. Also see more citations at references at the end of this page.