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Commercial Flue
- - Commercial Single Wall Flue
  - Commercial Single Wall Flue - Diameters
    - 4"
    - 5"
    - 6"
    - 7"
    - 8"
    - 10"
    - 12"
    - 14"
- - Commercial Twin Wall Flue
  - Commercial Twin Wall Flue - Diameters
    - 4"
    - 5"
    - 6"
    - 7"
    - 8"
    - 10"
    - 12"
    - 14"
Flexible Flue Liner
- - Chimney Liner Products
  - Chimney Liner Products - Diameters
    - 4"
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    - 10"
- - Gas Chimney Liner Products
  - Gas Chimney Liner Products - Diameters
    - 4"
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Stove Pipe
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  - Stainless Steel 316 - 1mm - Diameters
    - 5"
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  - Vitreous Enamel - Original - Diameters
    - 4"
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    - 8"
- - Vitreous Enamel - Matt Black
  - Vitreous Enamel - Matt Black - Diameters
    - 4"
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    - 7"
    - 8"
Domestic Twin Wall Flue
- - Black Twin Wall Flue
  - Black Twin Wall Flue - Diameters
    - 4"
    - 5"
    - 6"
    - 7"
    - 8"
- - Stainless Steel Twin Wall Flue
  - Stainless Steel Twin Wall Flue - Diameters
    - 4"
    - 5"
    - 6"
    - 7"
    - 8"
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- - Stove Accessories
    - Stove Fan
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Universal Header Systems

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Home Shop 4″ Wall Sleeve (Twin Wall)

4″ Wall Sleeve (Twin Wall)

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Our flue specialists are on hand to help if you need any advice or assistance.

Product Code 030910014DW

4″ Wall Sleeve (Twin Wall)

Steel wall sleeve engineered to pass through the wall, shielding the twin-wall flue from contacting combustible materials as it traverses the wall and cavity, while preserving the mandatory 6mm air gap around the flue. Compliant with HETAS standards and rigorously tested for quality, the product comes with a manufacturer’s warranty.

From £41.18 inc. VAT

Free Delivery on all mainland orders over £150