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Pellet Stove Vent Pipe

Perhaps you do not currently own a pellet stove but are considering purchasing one for your home. Before you commit, you should understand what a pellet stove will need to continue to warm your home safely and efficiently. has pellet stove pipe kits and other venting parts to get you up and running, and we carry various pieces to service multiple brands. For example, we have the Napoleon Timberwolf TPI35 Pellet Burning Fireplace Insert, which is also one of our best sellers. Search this section for the right pipe for your pellet stove. The type of fuel your stove uses to operate will also determine which additional parts you will need to help it continue to run well. A pellet stove uses small pellets of wood or other natural materials.
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By Christina from Stoddard, NH on January 3, 2013
What is the code in NH for installing pellet stove piping?
By Tyler M. - Fireplace Specialist on January 3, 2013

I'm sorry, but we do not have this information on file. Please contact your local building inspector for more information regarding local codes.

By Rick from Garden City, MO on December 18, 2014
I am looking to Install a Breckwell P23FSL Pellet stove. Can it be directly vented into my existing masonry chimney or do I have to put in a chimney liner? Will it vent correctly if it is direct vented?
By eFireplaceStore on December 19, 2014

This unit is able to be vented into a masonry chimney, but a liner must be installed in order for the unit to vent directly. The relatively large cross section of a masonry chimney flue will cause flue gases to stagnate otherwise, which can lead to spillage of combustion gases back into the room and generally poor operation.

By Travis from Fort Frances, Ontario Canada on October 28, 2013
What type of chimney flex liner can I use for the exhaust on a pellet stove? It will be going in an existing masonry chimney.

I have a Whitfield Advantage II WP2 Insert pellet stove and 25' Masonry chimney.
By Collin C. - NFI Master Hearth Professional on October 29, 2013

According to the manual for your stove, the cutoff to switch from 3 inch to 4 inch occurs at approximately 23 feet. As such, a 4 inch stainless steel flex liner should be used.

By Mark from Bel Air, MD on December 22, 2015
I have a new pellet stove and I want to run the piping through the existing wood-burning fireplace chimney flue. Is there a special plate/adapter that I put in the flue to allow the pipe to pass through but keep the rest of the air space closed?

By Will M. on December 22, 2015

This is typically done by cutting sheet metal to fill the void between the damper opening and pellet vent.

By Ernie on November 9, 2012
How far from a window must the pellet vent pipe be from windows?
on November 9, 2012

Per national code, the termination for a conventional pellet vent appliance cannot be closer than 4 feet to a door or window. Please be sure to check with your local code office, as they may have a different requirement. Local jurisdiction has final authority. Please let me know if I can assist you further.

By John from Golden, CO on November 21, 2015
i am purchasing a pellet stove and from what I have read, living at 7500 feet, I need a 4" horizontal kit. I like the Selkirk product but do not see 4" pipe kit.
Do you carry something like this?
By eFireplaceStore on November 23, 2015

For horizontal venting, Selkirk makes a direct vent style of product. An example is the Selkirk Direct-Temp Straight-Out Horizontal Direct Vent Termination Kit. The kit can be used with the applicable length of pipe to vent through the wall.

By Danny from Salisbury, MD on December 4, 2013
I have a Paragon by US Stoves model 5440,5440Q. All my vent pipe is the 3 inch DuraVent twist lock pipe. I am looking for an adapter to go from the stove to the 3" pipe. The pipe coming out of the stove is 3 inch and the 3 in pipe will not fit over it to connect to the stove. Do you carry an appliance adapter for this stove?
By Collin C. - NFI Master Hearth Professional on December 4, 2013

The part you are referring to is the appliance adapter. The item is available in unpainted galvalume, which is the Dura-Vent PelletVent Pro Galvalume Appliance Adaptor - 3-Inch Inner Diameter - 3PVP-AD or it can be had in a painted black version, which is the Dura-Vent PelletVent Pro Black Appliance Adaptor - 3-Inch Inner Diameter - 3PVP-ADB. The adaptors use a tapered inner wall that pushes into the flue collar of the appliance, allowing the venting system to twist and attach to the other end.

By Mike Quinton from Keene, NH on November 25, 2012
Can a Harmon XXV pellet stove be vented directly into a 12 x 8 lined masonry chimney? Is there sufficient draft?
By Collin C. - NFI Master Hearth Professional on November 26, 2012

Per the published information for this stove, it is indeed possible to vent this model into a clay lined masonry chimney, as long as the clay tiles are proven to be in good condition. The combustion fan will provide adequate positive pressure for the unit to draft in this way.

Lining the chimney with a 4 inch stainless steel liner is recommended if the condition of the chimney is questionable in any way.

As pellet fuel burns, it creates a buildup of fine ash and exhaust gas. Sometimes the buildup is not visible, so it is even more important to have the right exhaust pipe designed to remove exhaust gas and fine ash. has an extensive selection of vent pipes for your corn or pellet stove. You can look through the wide assortment of venting accessories to include vent pipe storm collars, appliance adaptors, rain caps, wall straps, and much more. If the task seems too daunting, donít get overwhelmed. We have installation guides for your reference to help you put it together as well as specialists onhand to advise. Remember that safety is key, so a pellet stove and wood fireplace should be installed by building professionals. If you opt for an electric model, it will be simpler to install. Regardless of which type of stove you go with, has everything you need.

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