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

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Thermotec T600 Insulated Twin Wall Flue

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T600 Twin Wall - 1000mm Straight Length

T600 5" Twin Wall - 1000mm Straight Length
232 in stock now
£112.00 £118.00
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T600 Twin Wall - 500mm Straight Length

T600 5" Twin Wall - 500mm Straight Length
94 in stock now
£78.75 £83.00
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T600 Twin Wall - 300mm Straight Length

T600 5" Twin Wall - 300mm Straight Length
30 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" Twin Wall - Adjustable Straight Length 600-1000mm

T600 5" Twin Wall - Adjustable Straight Length 600-1000mm
18 in stock now
£125.00 £132.00
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T600 Twin Wall - Adjustable Straight Length 350-530mm

T600 5" Twin Wall - Adjustable Straight Length 350-530mm
3 in stock now
£104.50 £110.00
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T600 Twin Wall - 1000mm Straight Length

T600 6" Twin Wall - 1000mm Straight Length
127 in stock now
£118.00 £125.00
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T600 Twin Wall - 500mm Straight Length

T600 6" Twin Wall - 500mm Straight Length
75 in stock now
£82.00 £86.50
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T600 Twin Wall - 300mm Straight Length

T600 6" Twin Wall - 300mm Straight Length
33 in stock now
£62.50 £66.00
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T600 Twin Wall - 120mm Straight Length

T600 6" Twin Wall - 120mm Straight Length
18 in stock now
£45.50 £47.75
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T600 5" Twin Wall - Adjustable Straight Length 600-1000mm

T600 6" Twin Wall - Adjustable Straight Length 600-1000mm
16 in stock now
£138.00 £147.00
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T600 Twin Wall - Adjustable Straight Length 350-530mm

T600 6" Twin Wall - Adjustable Straight Length 350-530mm
21 in stock now
£107.50 £113.00
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