Vent Gas Fireplace Into Chimney
You may vent an appliance designed to burn both gas and solid-fuel into one masonry flue if the appliance is equipped with a manual reset device to shut off gas flow if there is a sustained backdraft of vent gasses. 2. You may vent an appliance designed to burn both gas and oil into one masonry flue if the flue is appropriately sized.
Direct vent systems are either co-axial (as stated above) or co-linear; Co-linear Direct Vent Fireplaces are used to vent through an existing wood burning chimney. Direct Vent fireplaces function by drawing fresh air into the firebox from outside, which makes a distinct difference from a traditional masonry fireplace or insert.
There are three venting options available for gas fireplace installations: Natural vent, often called B vent, utilizes an existing masonry chimney or a factory-built metal chimney. Room air
Smooth Wall Double Ply Flex-All Chimney Liner is Smooth Wall Double Ply Flex-All Chimney Liner is made from a single strip of 316Ti 0.006 in. stainless steel. Corrugated interlocked seam on the outside provides for maximum strength and flexibility. Smooth interior inner ply wall creates positive air flow that increases drafting by 20% while eliminating creosote buildup.
Some gas log fixtures are vented so that dangerous gases produced during the burn travel outside, just as they move up and out of a chimney in a traditional wood-burning fireplace. There's more than one way to vent an appliance, so you probably can install vented gas logs in your home even if you do not have a usable chimney.
Capable of generating large amounts of heat, a fireplace insert fits directly into an existing fireplace and attaches naturally to the chimney. So if you want all the benefits of a wood stove as well as many placement options, go with a stand-alone unit and its recommended venting system.