Please consult the section pertaining to offsets in the owner's manual for your appliance and the pipe manufacturer's guidelines for offset allowance with each type of pipe. Most brands have adapters that are sold separately. Completing projects around the ranch and spending quality time with his family are among his greatest joys. The space in between serves as an insulating layer. Gas, Wood, Electric and Pellet Stoves . Pellet Stove Pipe Reviews. You will never convert direct vent pipe to Class A chimney pipe, and you will never convert a stove pipe to a direct vent pipe. What we have here is a guide to help you, the consumer, become a bit more familiar with chimney pipe. Direct vent chimney systems are specialized. When running Class A pipe within a masonry chimney, a chase, an attic, or any enclosure inside the home, it is economically wise to use galvanized pipe. Product ... DuraVent 4 in. Collar This. A thimble is designed to allow Class A chimney pipe to pass through the wall, run into the room where your appliance is installed, and then connect to the stove pipe. There is one main difference between wood-burning and direct-vent stoves. This is especially true in coastal areas. Instead, the clay thimble would need to be removed and replaced with a section of horizontally-positioned chimney with a finishing collar that would connect to black stovepipe on the interior of the home. How long (years) should a Class-A chimney pipe system last? Class A chimney pipe has many names, often referred to as double-wall chimney pipe, triple-wall chimney pipe, all-fuel pipe, or insulated chimney pipe. However, it is important to note that you should never mix-and-match different brands of Class A chimney pipe within one chimney system unless specifically allowed by the manufacturer. Pipe with a larger air space between the walls often has a better rating for clearance to combustibles which is normally three inches but can be as little as one inch. Some direct-vent stoves are rear-vent models and able to vent horizontally from the flue collar to the wall. Most wood inserts require a 6" diameter stainless steel liner that cannot be reduced in size. When terminating a Class A system, you must follow what is known as the "10-3-2" rule or the "10-foot, 2-foot" rule. From here, chimney pipe will pass through a pitched roof by use of roof flashing, or it can be built into a framed wooden chase, which must be topped off with a fabricated chase top flashing. Most wood burning stoves are top-vent models, meaning the flue collar will be on top of the unit. If you are venting for a pellet-burning insert, however, your appliance will require a flex pipe to bypass the smoke shelf. "Top vent" and "rear vent" are self-explanatory, and "slant-back" refers to an appliance with a flue collar coming out of the unit at a 45-degree angle, with easy adaptability for vertical or horizontal venting with the use of a 45-degree elbow. This stovepipe can be installed as close as 6 inches to combustibles. While many stove pipe and direct vent pipe systems use 90-degree and 45-degree elbows, Class A chimney pipe systems do not allow for more than a 30-degree elbow. Stove pipe, also called a chimney connector, is not the same as a Class A chimney pipe, although these two are often confused with each other. A direct vent system can be terminated either horizontally or vertically, and in some cases, it may only take a few inches of pipe directly out the back of a direct vent appliance to the outside of your home. If terminating horizontally, the cap must be at least 6 inches from the outer wall of your home. I prefer when possible to run the pellet vent all the way through the class A if it's a straight run. The appliance you are installing will dictate the diameter of your vent system. Is class A normally double or triple wall? clearance to combustibles in the USA and Canada (always check your local fire codes) PelletVent offers a limited lifetime warranty Type B systems can involve a multitude of distinct piping components, and the termination point is no different. If used outside, stove pipe will be unable to maintain high flue temperatures, causing potential creosote buildup and increased risk of a chimney fire. An 18 inch clearance to combustibles is required and these pipes feature an unheard of fume-free finish. I can only find 6 or 8 inch collars. Double wall pellet pipe requires a 1-inch clearance to combustibles. Save Up To See price at checkout Click here for more details. Please see your owner's manual for more details. ... NEW pellet stove venting system 3 inch diameter pellet vent 3PVL-KHA 3" Duravent. Our Simpson DuraVent pipe's patented locking system makes for quick and easy instillation, not to mention we carry sizes and lengths for all your pellet stove exhaust pipe requirements. Use Single Wall Black Stove Pipe from your stove to a thimble or ceiling transition box, never inside a combustible wall or inside a chimney chase. There is not much to review about different types of pipe. Some older wood burning stoves are rear vent models. Also, only a limited amount of offset is permitted (usually no more than just over 3 feet or less) between the two elbows. The owner's manual of every direct vent fireplace, stove, or insert will specify which brands of direct vent pipe are approved for use with that unit. When not at work, he spends time with his wife, Lindsey, and his sons, Samuel and Eli, on their ranch enjoying their many animals. Stove pipe is used for venting wood burning stoves and is only for use inside the home, or more specifically, inside the room where the stove is installed. MESSAGE. For more information on venting direct-vent stoves, please see the section on direct-vent pipe. Our NFI certified specialists will be happy to assist you in any way that they can. Unlike stove pipe, the use of roof supports and thimbles with direct vent systems do not serve as a conversion point to attach Class A chimney pipe. In other words, you are not required to convert pellet vent pipe to Class A chimney pipe when passing through a wall or a ceiling. At this point you would be able to convert to rigid chimney or pellet vent pipe with an adaptor. Question. If the chimney length is greater than 15 feet you should just up to a 4 inch chimney liner. Can a Triple Wall Flue Pipe Be Used for a Wood Stove?. If the galvanized pipe is exposed, it is susceptible to eventual rust and corrosion. There are a couple of different ways to make the conversion from a wood stove pipe to a chimney pipe for proper venting. Just wondering what kind of pipe I need if it's going up a brick chimney that is 16" square with a 6" hole on top of the insert and chimney? No, you could not. Approaching his 10-year work anniversary, Collin is one of our National Fireplace Institute (NFI) certified technicians and content manager for the eFireplacestore, eCanopy, and EliteDeals brands. Yes, this can be done with an anchor plate and properly-sized class A solid-pack stainless steel chimney. There are two types of Class A chimney pipe: When using Class A chimney pipe, it is important to plan or route the vent run wisely to minimize costs and maximize your savings. This is simply a matter of the way these pipes are engineered. Unlike our other review sections (e.g. You can't go from double insulated chimney pipe to triple insulated chimney pipe. 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