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802 Rockville Pike, Rockville, MD 20852

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DuraFlex 4"

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DuraFlex 4"

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  • 4" Stainless Steel
  • Product
    Compare
    Diameter
    Length
    Height
    Qty
    Price
  • DuraFlex SW 15' Liner - SS
    4" D
    15 H
    $553.30
    + FREE SHIPPING
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    DuraFlex SW 15' Liner - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 15 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $553.30
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 20' Liner - SS
    4" D
    20 H
    $696.74
    + FREE SHIPPING
    See more
    DuraFlex SW 20' Liner - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 20 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $696.74
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 25' Liner - Stainless Steel
    4" D
    25 H
    $846.34
    + FREE SHIPPING
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    DuraFlex SW 25' Liner - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 25 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $846.34
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 30' Liner - SS
    4" D
    30 H
    $993.89
    + FREE SHIPPING
    See more
    DuraFlex SW 30' Liner - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner- 30 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $993.89
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 35' Liner - Stainless Steel
    4" D
    35 H
    $1,186.52
    + FREE SHIPPING
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    DuraFlex SW 35' Liner - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 35 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $1,186.52
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 50' Liner - SS
    4" D
    50 H
    $1,309.47
    + FREE SHIPPING
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    DuraFlex SW 50' Liner - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 50 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $1,309.47
    + FREE SHIPPING
    Quick view
  • DuraFlex SW 200' Liner - SS
    4" D
    200 H
    $6,147.75
    + FREE SHIPPING
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    DuraFlex SW 200' Liner - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Stainless Steel Flex Liner - 200 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $6,147.75
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Basic Kit - 15' - SS
    4" D
    15 H
    $727.48
    + FREE SHIPPING
    See more
    DuraFlex SW Basic Kit - 15' - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Basic Kit - 15 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $727.48
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Basic Kit - 20' - Stainless Steel
    4" D
    20 H
    $846.34
    + FREE SHIPPING
    See more
    DuraFlex SW Basic Kit - 20' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Basic Kit - 20 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $846.34
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Basic Kit - 25' - SS
    4" D
    25 H
    $979.54
    + FREE SHIPPING
    See more
    DuraFlex SW Basic Kit - 25' - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Basic Kit - 25 Feet Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches.
    Price:
    $979.54
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Basic Kit - 30' - Stainless Steel
    4" D
    30 H
    $1,122.99
    + FREE SHIPPING
    See more
    DuraFlex SW Basic Kit - 30' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Basic Kit - 30 Feet Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches.
    Price:
    $1,122.99
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Basic Kit - 35' - Stainless Steel
    4" D
    35 H
    $1,299.22
    + FREE SHIPPING
    See more
    DuraFlex SW Basic Kit - 35' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Basic Kit - 35 Feet Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches.
    Price:
    $1,299.22
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Tee Kit - 15' - Stainless Steel
    4" D
    15 H
    $811.50
    + FREE SHIPPING
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    DuraFlex SW Tee Kit - 15' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Tee Kit - 15 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $811.50
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Tee Kit - 20' - Stainless Steel
    4" D
    20 H
    $930.36
    + FREE SHIPPING
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    DuraFlex SW Tee Kit - 20' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Tee Kit - 20 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $930.36
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Tee Kit - 25' - SS
    4" D
    25 H
    $1,063.56
    + FREE SHIPPING
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    DuraFlex SW Tee Kit - 25' - SS
    DuraVent DuraFlex 4" Diameter Smooth Wall Tee Kit - 25 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $1,063.56
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Tee Kit - 30' - Stainless Steel
    4" D
    30 H
    $1,207.01
    + FREE SHIPPING
    See more
    DuraFlex SW Tee Kit - 30' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Tee Kit - 30 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $1,207.01
    + FREE SHIPPING
    Quick view
  • DuraFlex SW Tee Kit - 35' - Stainless Steel
    4" D
    35 H
    $1,383.24
    + FREE SHIPPING
    See more
    DuraFlex SW Tee Kit - 35' - Stainless Steel
    DuraVent DuraFlex 4" Diameter Smooth Wall Tee Kit - 35 Feet: A 4" inner diameter vent pipe is required for this unit.
    Price:
    $1,383.24
    + FREE SHIPPING
    Quick view
  • 304 4" Kit
  • Product
    Compare
    Diameter
    Length
    Height
    Qty
    Price
  • DuraFlex 4" DF304 15' Kit (Kit with Connector)
    4"
    15'
    $472.47
    + FREE SHIPPING
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    DuraFlex 4" DF304 15' Kit (Kit with Connector)
    Duravent DuraFlex 4" DF304 15' Kit (Kit with Connector)
    Price:
    $472.47
    + FREE SHIPPING
    Quick view
  • DuraFlex 4" DF304 20' Kit (Kit with Connector)
    4"
    20'
    $567.34
    + FREE SHIPPING
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    DuraFlex 4" DF304 20' Kit (Kit with Connector)
    Duravent DuraFlex 4" DF304 20' Kit (Kit with Connector)
    Price:
    $567.34
    + FREE SHIPPING
    Quick view
  • DuraFlex 4" DF304 25' Kit (Kit with Connector)
    4"
    25'
    $660.31
    + FREE SHIPPING
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    DuraFlex 4" DF304 25' Kit (Kit with Connector)
    Duravent DuraFlex 4" DF304 25' Kit (Kit with Connector)
    Price:
    $660.31
    + FREE SHIPPING
    Quick view
  • 4"_316_Liner
  • Product
    Compare
    Diameter
    Length
    Height
    Qty
    Price
  • DuraFlex 316 Liner - 15' L x 4" D
    4" D
    $418.05
    + FREE SHIPPING
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    DuraFlex 316 Liner - 15' L x 4" D
    DuraFlex SS Stainless Steel Chimney Liner - 4" x 15-ft. - 4DF316-15: A 4" inner diameter vent pipe is required for this unit. Use this stainless-steel chimney liner from DuraFlex to meet the UL1777 criteria for both masonry chimneys and wood burning appliances. Designed to be used in tandem with the DuraVent DuraFlex Zero Clearance Insulation Sleeve, this liner protects a masonry chimney from any negative effects due to flue condensation and promises safe and efficient venting for a variety of heating appliances including gas wood pellet oil or wood. This DuraFlex stainless steel chimney liner is a win-win option with a limited lifetime warranty!
    Price:
    $418.05
    + FREE SHIPPING
    Quick view
  • DuraFlex 316 Liner - 20' L x 4" D
    4" D
    $508.21
    + FREE SHIPPING
    See more
    DuraFlex 316 Liner - 20' L x 4" D
    DuraFlex SS Stainless Steel Chimney Liner - 4" x 20-ft. - 4DF316-20: A 4" inner diameter vent pipe is required for this unit. DuraFlex SS is a flexible masonry chimney liner that can be utilized with gas, wood pellet, oil, or wood appliances such as water heaters, boilers, furnaces, and fireplace inserts. It's more durable than other light liners because of the single wall 0.006" thickness. The most cost-effective liner for a straight chimney is DuraFlex SS. This item includes 20 feet of 4" liner. It should be used in conjunction with the DuraFlex Zero Clearance Insulation Sleeve to ensure compliance with the UL 1777 standard for brick chimneys and wood-burning appliances.
    Price:
    $508.21
    + FREE SHIPPING
    Quick view
  • DuraFlex 316 Liner - 25' L x 4" D
    4" D
    $631.17
    + FREE SHIPPING
    See more
    DuraFlex 316 Liner - 25' L x 4" D
    DuraFlex SS Stainless Steel Chimney Liner - 4" x 20-ft. - 4DF316-20: A 4" inner diameter vent pipe is required for this unit. The stainless-steel chimney liner from DuraFlex is ideal for straight chimneys. When used with heating appliances and fireplaces, this liner protects brick chimneys from the substance that threatens to corrode them. The liner is compatible with wood pellet, non-condensing gas coal, and oil appliances. It measures 4" around and 25-feet long. It isn't particularly heavy, so the liner should be simple to install. This liner comes with a limited lifetime warranty from the manufacturer.
    Price:
    $631.17
    + FREE SHIPPING
    Quick view
  • 4" Components
  • Product
    Compare
    Diameter
    Length
    Height
    Qty
    Price
  • DuraFlex SS Tee with Clamp Band
    4" D
    $136.19
    + FREE SHIPPING
    See more
    DuraFlex SS Tee with Clamp Band
    DuraFlex SS Tee w/ Clamp Band and Removable Take-Off for 4" Chimney Liner - 4DFS-T: A 4" inner diameter vent pipe is required for this unit. The seemingly trivial details can sometimes make the difference between a seamless chimney installation and one that is troublesome. The DuraFlex SS Tee, for example, comes with a Clamp Band and a Removable Take-Off for a 4" Chimney Liner. You'll be astounded at how well it not only maintains the durability of your fireplace, but also how effective it is. Don't wait, because this could be the missing piece of the puzzle you've been looking for.
    Price:
    $136.19
    + FREE SHIPPING
    Quick view
  • DuraFlex SS Connector Adapter
    4" D
    $36.49
    See more
    DuraFlex SS Connector Adapter
    DuraFlex SS Connector Adaptor for 4" Chimney Liner - 4DFS-FC : A 4" inner diameter vent pipe is required for this unit. DuraFlex's connector adaptor is used to join two 4" DuraFlex pieces together or to connect a fireplace insert to a DuraFlex vent system. Screws or pop rivets are used to join the parts. The DuraFlex SS components can be utilized in appliances that burn wood pellets, coal oil, or non-condensing gas. It's a flexible relining material for masonry chimneys. A 0" clearance to masonry is allowed when the Dura-Vent Two-Ply Insulation Sleeve is utilized with the liner.
    Price:
    $36.49
    Quick view
  • 4" Aluminum Components
  • Product
    Compare
    Diameter
    Length
    Height
    Qty
    Price
  • DuraFlex 4" Mortar Sleeve
    4" D
    $16.91
    See more
    DuraFlex 4" Mortar Sleeve
    Duravent 4" DuraFlex Mortar Sleeve
    Price:
    $16.91
    Quick view
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