You need to leave your chimney’s damper partially open to vent the carbon monoxide that the gas fire produces, so much of the heat generated by a vented gas log set goes up the chimney. Flue Fireplace Cover Damper Covers. Open the flu. I tell folks to get the damper closed soon as possible after a fire. No, you do not need to open the damper. Pro-Tech Chimney: Your Fireplace, Flue, and Chimney Experts Gas logs come in 2 varieties: 1) Ventless gas logs are designed to be burned with the damper closed and are rated as ventless gas heaters. It often has a damper mechanism, commonly a piece of metal that fits in or just below it, which can be opened or closed. The damper can be closed or open. Click to see full answer Considering this, is it safe to close the flue on a gas fireplace? Allowing your fireplace doors to remain open will promote better airflow. A traditional vented gas fireplace (view example on Amazon), fueled by either natural gas or propane, has two vents that run to the exterior of the house. The fire place has a hatch at the top to open/close the chimney, which the fitters have connected to a wire to force it to be fully open constantly. if handle is horizontal flue is closed. Unless you have a vent-free fireplace, the first step you should take before lighting a fire in a wood-burning fireplace or gas fireplace is to open the damper. I can tell the bottom damper is open just by looking, but there is also a wire leading all the way up the chimney. Nor were the old gas space heaters (I still use them) your grandparents used. An open or a closed system. Closing your fireplace doors doesn’t make your fire burn longer. Gas Fireplace Damper Position. You can also listen for the rush of air to see if the damper is open or closed. – gas fireplace damper open or closed Fireplaces tend to a building code requirement that the forever cap 17in w x 8in l cast iron damper or call. That's why there is, or should be, a keep-open device attached to the damper in gas-log fireplaces.Do not close a fireplace damper until the fire is completely out. Of course, the blocking material must be removed before a fire is started. Because gas-log fires produce copious amounts of carbon monoxide, they have to vent outside in a fail-safe manner. If it is connected to a freestanding fireplace, a fireplace flue sometimes includes a chimney thimble. Fully open the damper before your start a fire and keep it fully open until all embers and coals have burned out. If you are talking a stove flue free standing the handle on the flue will indicate open or closed. The throat, or upper portion, of the firebrick that lines the back of your fireplace should have a slight angle to guide smoke up and out while reducing cold air intake and may slant towards the throat damper. Air can flow both ways, so outside air can come into your home and the heated air from your home can escape through an open damper. Some gas log fixtures are vented so that any dangerous gases produced during the burn will travel outside, just as they move up and out of a chimney in a traditional wood-burning fireplace. There is less of a gas smell with vented log sets because the air flowing up the chimney flue helps to pull the odor up and out. However, if your gas fireplace is vent-free or has doors on the front that can easily be opened, you should only operate it for two to three hours at a time, the service representatives said. House features such as a readily available chimney will also influence the type of gas fireplace you choose. When Should the Flue Be Open? Typically made from cast iron or other heat-resistant metal (sometimes ceramic), the damper essentially opens and closes the chimney. Warm air from your home will not be lost up the chimney when the fireplace is not being used. Types Of Fireplace Dampers. Gas fireplace insert flue open or closed. How to open a chimney damper traditional fireplace pros is your or closed keepers should doors be while burning basic home improvements do you learn about gas fireplaces mendota america s luxury vented direct vent venting explained heatilator jetmaster firebox system what ventless experts in gaithersbutg md use the vents control wood stove install any … Continue reading Gas Fireplace … There are three main types of fireplace damper: Fireplace throat dampers; Chimney cap dampers; Flue dampers One caution, though: Fireplaces with installed gas logs are required to have the damper open at all times. You can close the flue when you shut it off, to keep the warm house air from going up the chimney, or if you have glass doors just leave the flue open all the time and close the doors when off. Yes, keep it open at all times. Oxygen is a key element in healthy-burning fires. Some homeowners place insulating materials in the top of the back of the firebox under the closed damper. The flue gases are subsequently extracted via an indoor pipe, so you do not need a chimney. Place it inside your fireplace, near the top section. If it’s hooked to the side of the fireplace wall, then this probably means that the damper is closed. Some folks have commented about how the room with the fireplace as always cold or had cold drafts and sure enough they had not checked the damper and it was open. By controlling how open or closed a fireplace damper is you can inhibit the flow of any air, gas and particles through that damper. Gas Fireplace Flu Medium Size Of Flue Open Or Closed Parts. How can I tell if my chimney flue is open or closed? A fireplace damper is a little metal flap that sits inside your flue. If you have a pilot light constantly burning under your gas logs, shutting the damper puts you, your family and your pets at severe risk of carbon monoxide poisoning. The damper should always be open when a fire is burning in the fireplace. It is separate from the handle that opens the bottom damper. NOTE: For Fireplaces with Installed Gas Logs. Fireplace iron damper stop on some damper is circulated back into the gasketed for fireplaces stoves fireplaces the top damper closes off the damper in the chimney. The damper should be kept closed when there is no fire or coals burning. You can have the doors open or closed when it's burning, open lets more heat into the room bust is more dangerous for small children. 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