Liners & Pipes
A chimney flue liner or flue pipe is used to line the inside of a chimney or to vent a insert of stove. The liner or pipe serves several important functions, including protecting the chimney from the heat and corrosive gases produced by the fireplace or wood stove, and providing a smooth surface that allows smoke and other combustion byproducts to easily pass through or to the chimney.
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6" Id Ov 5" Od To 6" Rd Rigid Adapter
$143.21The 5"oval end of the adapter is designed to accept ovalized inside diameter (ID) liners. The crimped 6" round bottom end fits seamlessly into stovepipe or the stove's collar. Made with 316 stainless...- SKU:
- NC65OVRDL
- Weight:
- 2.00 LBS
$143.21 -
6" X 10" Rec Bottom Plate 13X18
$87.48Engineered for flawless integration with a 6" x 10" rectangular liner, the bottom plate includes a 13" x 18" base made from 18-gauge 304 stainless steel and a 1-inch high collar crafted from 24-gauge...- SKU:
- NC610BP1318
- Weight:
- 3.50 LBS
$87.48 -
6" Id Liner Ov 5" To 6" Rd Adapter
$122.91This Oval to Round adapter is to attach a 5" oval to a 6" round. The ovalized end is designed to accept ovalized inside diameter (ID) liners, while the round bottom end is crimped for easy fitting...- SKU:
- NC65OVRD
- Weight:
- 2.00 LBS
$122.91 -
DirectVent Pro Ceiling Firestop (4" X 6 5/8")
$20.66Required for multi-story vertical installations at the second floor and any subsequent floors.DirectVent Pro Additional Info:DirectVent Pro offers superior performance with its tight inner...- SKU:
- 279630
- Weight:
- 0.96 LBS
$20.66 -
5.75" X 9.5" Rec Bottom Plate 18X18
$115.25Crafted for seamless integration with a 5.75" x 9.5" rectangular liner, the bottom plate features an 18" x 18" base made from 18-gauge 304 stainless steel and a 1-inch high collar constructed from...- SKU:
- NC5.759.5BP1818
- Weight:
- 3.50 LBS
$115.25 -
SafeFlex Insert Adapter - 5" - 304 SS
$153.61National Chimney offers a unique insert adapter that enables both front-to-back and side-to-side adjustments within the firebox. Its two-piece design allows for easy sliding to adjust the...- SKU:
- NC5IA
- Weight:
- 5.00 LBS
$153.61 -
8" DVL Adapter
$117.55Use to connect from double-wall DVL to DuraTech, DuraPlus, DuraPlus HTC, and DuraLiner for a through-the-wall or ceiling support installation. Required for proper connection. Provides a strong...- SKU:
- 296008
- Weight:
- 3.99 LBS
$117.55 -
5.75" X 9.5" Rec Bottom Plate 13X18
$87.48Designed for perfect integration with a 5.75" x 9.5" rectangle liner, the rectangle bottom plate features a 13" x 18" base constructed from 18-gauge 304 stainless steel and a 1-inch high collar made...- SKU:
- NC5.759.5BP1318
- Weight:
- 3.50 LBS
$87.48 -
Masonry Chimney Conversion Kit
$434.60Kit includes: Cap Adapter, 18” x 18” Flashing, Round Ceiling Support/Wall Thimble Cover, Retro Connector. For 4” x 6 5⁄8” direct vent. Termination Cap and 4” flex are sold separately. 13” 6/”Use...- SKU:
- 279601
- Weight:
- 7.60 LBS
$434.60 -
6" DVL Adapter
$103.056" DVL/DuraBlack Chimney Adapter/ with trim is used to connect from double-wall DVL and/or single-wall DuraBlack to DuraTech, DuraPlus, DuraPlus HTC, and DuraLiner.DVL Additional Info:The DVL...- SKU:
- 296006
- Weight:
- 3.99 LBS
$103.05 -
5.75" X 9.5" Rec Bottom Plate
$78.41Engineered for seamless integration with a 5.75" x 9.5" rectangle liner, the rectangle bottom plate has a 13" x 13" base made from 18-gauge 304 stainless steel and a 1-inch high collar crafted from...- SKU:
- NC5.759.5BP
- Weight:
- 3.50 LBS
$78.41 -
DirectVent Pro Storm Collar (4" X 6 5/8")
$17.51The DirectVent Pro Storm Collar is designed to ensure a weather-tight seal between the vent pipe and the flashing, providing added protection against moisture and the elements.DirectVent Pro...- SKU:
- 279530
- Weight:
- 0.47 LBS
$17.51 -
13" Bottom Plate 18X18
$87.73Crafted for easy integration with a 13" diameter round liner, our Square Bottom Plate is made with a sturdy 18-gauge 304 stainless steel 18" x 18" base plate and a 24-gauge steel collar standing 1...- SKU:
- NC13BP1818
- Weight:
- 3.50 LBS
$87.73 -
DVL Increaser - 6" to 8"
$157.26Use to increase from a smaller appliance flue outlet to larger diameter chimney or stovepipe.DVL Additional Info:The DVL Double-Wall Stovepipe System is designed to complete the venting process when...- SKU:
- 299806
- Weight:
- 3.99 LBS
$157.26 -
DirectVent Pro Cathedral Ceiling Support Box (4" X 6 5/8")
$168.88Use to pass through ceiling and support pipe. May be used on vaulted or flat ceilings. Painted black. Trim and clamp included.DirectVent Pro Additional Info:DirectVent Pro offers superior performance...- SKU:
- 279410
- Weight:
- 6.30 LBS
$168.88 -
DVL Oval to Round Adapter-8"
$206.50Use on Vermont Casting appliances with oval flue collars to adapt to round pipe.DVL Additional Info:The DVL Double-Wall Stovepipe System is designed to complete the venting process when paired with...- SKU:
- 295408
- Weight:
- 4.78 LBS
$206.50 -
DirectVent Pro Ceiling Support/Wall Thimble Cover(4"x6 5/8")
$109.22Use as a decorative cover for horizontal (through-wall) installations or for flat ceiling installations. Fits over the Wall Thimble face plate. Comes with an insulation ring to reduce air...- SKU:
- 279400
- Weight:
- 2.20 LBS
$109.22 -
11" X 11" Sq Bottom Plate
$87.48Designed to connect with an 11" x 11" square liner, our Square Bottom Plate features an 18-gauge 304 stainless steel 13" x 18" base plate and a 1-inch high collar crafted from 24-gauge steel. It...- SKU:
- NC1111BP1318
- Weight:
- 3.50 LBS
$87.48 -
DVL Oval to Round Adapter-6"
$206.50Use on Vermont Casting appliances with oval flue collars to adapt to round pipe.DVL Additional Info:The DVL Double-Wall Stovepipe System is designed to complete the venting process when paired with...- SKU:
- 295406
- Weight:
- 3.99 LBS
$206.50 -
DirectVent Prairie Co-Linear Kit & Flex - (2) 3" x 35' Flex
$653.64Designed for use when installing a direct vent co-linear insert into a masonry chimney.Kit includes:Prairie Termination Cap; and two pieces of 3" x 35' Aluminum Flex lengths - one Red (exhaust), and...- SKU:
- 279236
- Weight:
- 22.00 LBS
$653.64