Thermotec T600 insulated twin wall flue is designed for use with all fuels including gas, oil, wood and approved solid fuels. It has been tested and approved to the requirements of EN 1856 and is CE certified to temperatures up to 600 degrees centigrade. Thermotec T600 Twin Wall Flue has been independently tested and certified and is covered by a 15-year warranty, and all of our 5” and 6” T600 twin wall flue is available in stainless steel and powder coated black finishes.

Thermotec flue products are manufactured using 0.5mm 316 grade stainless steel for the inner skin and 0.5mm 304 grade stainless steel for the outer Skin. The cavity is then insulated with 25mm ceramic mineral.


- Thermotec T600 Twin Wall Flue Brochure

Thermotec T600 Insulated Twin Wall Flue

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T600 Twin Wall - 1000mm Straight Length
T600 5" Twin Wall - 1000mm Straight Length
239 in stock now
£112.00 £118.00
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T600 Twin Wall - 500mm Straight Length
T600 5" Twin Wall - 500mm Straight Length
95 in stock now
£78.75 £83.00
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T600 Twin Wall - 300mm Straight Length
T600 5" Twin Wall - 300mm Straight Length
32 in stock now
£57.00 £60.00
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T600 Twin Wall - 120mm Straight Length
T600 5" Twin Wall - 120mm Straight Length
43 in stock now
£44.00 £46.50
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T600 5" - 5" Twin Wall Appliance Adaptor
T600 5" - 5" Twin Wall Appliance Adaptor
63 in stock now
£32.00 £33.55
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T600 5" - 6" Twin Wall Appliance Adaptor
T600 5" - 6" Twin Wall Appliance Adaptor
56 in stock now
£62.00 £65.50
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T600 Adjustable Ceiling / Wall Trim
T600 5" Adjustable Ceiling / Wall Trim
10 in stock now
£31.00 £33.00
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T600 Adjustable Twin Wall Bracket
T600 5" Adjustable Twin Wall Bracket
123 in stock now
£40.50 £42.50
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T600 Support Length / Wall Brackets
T600 5" Base Wall Support
27 in stock now
£182.00 £191.50
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T600 5" Flex - 5" Twin Wall Adaptor
T600 5" Flex - 5" Twin Wall Adaptor
2 in stock now
£62.00 £65.50
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T600 Rain Cap / Anti Bird Guard Mesh
T600 5" Rain Cap / Anti Bird Guard Mesh
29 in stock now
£71.00 £75.00
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T600 5" Rain Cap / Windshield
T600 5" Rain Cap / Windshield
62 in stock now
£74.00 £78.00
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T600 Roof / Rafter Support
T600 5" Roof / Rafter Support
50 in stock now
£42.50 £45.00
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T600 5" Standard Wall Bracket
T600 5" Standard Wall Bracket
117 in stock now
£30.50 £32.00
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T600 Twin Wall Storm Collar
T600 5" Storm Collar
40 in stock now
£28.50 £30.00
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T600 Twin Wall - Equal Tee & Cap 90°
T600 5" Twin Wall - Equal Tee & Cap (90°)
1 in stock now
£119.50 £126.00
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T600 Twin Wall - Tee & Cap 135°
T600 5" Twin Wall - Tee & Cap (135°)
9 in stock now
£131.00 £138.00
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T600 Twin Wall - Two Segment Elbow 90°
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T600 Twin Wall - Two Segment Elbow 45°
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T600 Twin Wall - Two Segment Elbow 30°
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T600 Twin Wall - Two Segment Elbow 15°
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T600 Twin Wall Extending Wall Sleeve
T600 5" Twin Wall Extending Wall Sleeve
61 in stock now
£45.00 £47.50
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