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Office Hours:
9AM to 5PM Mon. - Fri.
Closed: Sat. & Sun. 

Most all orders placed Monday thru Friday by 1:30 pm Eastern will be shipped same day.

Tech Support, Customer Service, and Order Takers will be available during office hours above.

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6" ID Dura/Plus



6" DuraVent Dura/Plus: Air-Insulated, Triple Wall, Class-A Chimney 
    The Innovative Triple-Wall Chimney System from Simpson Dura-Vent, Offering Superior air-insulated Performance and Ease of Installation. If Triple Wall Chimney is what you are looking for, then like the DuraTech is to solidpack, this is the best Triple Wall Chimney on the market. Note: Triple-Wall Chimney is mainly used now for Pre-Fab fireplaces that require air-venting. For all other applications, we suggest DuraTech solidpack chimney.

   Dura Plus is the leader in triple-wall chimney for wood, oil, gas, and coal-fired appliances. DuraPlus Chimney features a patented firesafe design.
Chimney components for every conceivable installation requirement

  • Twist-lock pipe and fittings for ease of installation
  • Lightweight for easy handling
  • .016" 430 stainless inner liner
  • Galvanized steel outer wall (or optional stainless steel)
  • U.L. listed to 103 HT Standard
  • 25 year warranty 
     The Dura/Plus 2100°  HT Chimney System, offered in 6" and 8" sizes, has been designed for use with gravity vented appliances that have been tested and listed for use with a 2100° HT chimney system, including: 
  • Wood Stoves
  • Fireplaces
  • Oil, gas, and coal fired   appliances 

       According to Dura Vent, Dura/Plus Triple Wall Chimney performs three very important functions:

  1. 1. A Dura/Plus chimney stays cool on the outside at all times, to protect the building during normal stove operation.
  2. 2. It stays hot on the inside to discourage the deposit of creosote, while providing the correct draft for stove performance.
  3. 3. If a red hot creosote fire does erupt, the patented Dura/Plus FIRESAFE DESIGN serves to protect both the chimney and the building.

  Dura/Plus chimney pipe in 6 inch, 9 inch, and 12 inch lengths have a 1 inch insulating blanket. The 24 inch and 36 inch lengths have a 1/2 inch blanket.

Check out the Typical Chimney Installation Diagrams!

Before you order: Download Dura/Plus Installation Instructions (643 kb PDF) and familiarize yourself installing a Dura/Plus Chimney. Make all measurements twice and make your plan. Write down all parts, part numbers, and quantity needed to build your chimney. Chimney parts are NOT returnable, so please make sure you plan your chimney well. Call us if you are unsure of what you need, we are always happy to help you figure out what you need, but before you call, please read over our Support Policies.

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Product Note: All "Special Order" items have a 2 week lead time and are not covered by our 5 day delivery guarantee.

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Storm collar not included
Read "More Details" for sizing info.

Site Updated 06/25/2022

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Hart's Hearth Inc.
2543 Middle Rd.
Trenton, NC 28585
Toll Free: 877.602.FIRE (3473)
FAX: 800.571.2765

Hart's Hearth & Homestead is a Family Owned, Christ Centered company that promotes and supports the commission of the word and works of Jesus Christ.