WE WILL BE CLOSED FROM THE 23RD DECEMBER UNTIL THE 5TH JANUARY. ANY ORDERS PLACED FROM THE 23RD ONWARDS WILL BE FULFILLED AFTER WE RETURN ON THE 5TH JANUARY.

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 Brochure

- Data Plate Information

- Installation Requirements

Thermotec T600 Insulated Twin Wall Flue

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T600 Twin Wall Extending Wall Sleeve

T600 5" Twin Wall Extending Wall Sleeve
28 in stock now
£45.00 £47.50
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T600 Twin Wall Locking Band

T600 5" Twin Wall Locking Band
101 in stock now
£10.00 £11.00
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T600 Twin Wall Structural Wide Locking Band

T600 5" Twin Wall Structural Wide Locking Band
15 in stock now
£63.00 £67.00
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T600 Twin Wall Tee Cap

T600 5" Twin Wall Tee Cap
£21.00
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T600 Ventilated Ceiling Support Plate & Shield

T600 5" Ventilated Ceiling Support Plate & Shield
21 in stock now
£74.00 £78.00
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T600 5" Ventilated Firestop

T600 5" Ventilated Firestop
43 in stock now
£63.00 £67.00
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T600 Ventilated Firestop & Bracket

T600 5" Ventilated Support Plate
42 in stock now
£63.00 £67.00
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T600 6" - 6" Twin Wall Appliance Adaptor

T600 6" - 6" Twin Wall Appliance Adaptor
35 in stock now
£34.00 £36.00
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T600 Adjustable Ceiling / Wall Trim

T600 6" Adjustable Ceiling / Wall Trim
23 in stock now
£31.00 £33.00
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T600 Adjustable Twin Wall Bracket

T600 6" Adjustable Twin Wall Bracket
96 in stock now
£40.00 £43.00
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T600 Support Length / Wall Brackets

T600 6" Base Wall Support
19 in stock now
£185.00 £195.00
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T600 6" Flex - 6" Twin Wall Adaptor

T600 6" Flex - 6" Twin Wall Adaptor
18 in stock now
£64.00 £67.50
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T600 Rain Cap / Anti Bird Guard Mesh

T600 6" Rain Cap / Anti Bird Guard Mesh
40 in stock now
£76.50 £81.00
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T600 6" Rain Cap / Windshield

T600 6" Rain Cap / Windshield
34 in stock now
£76.50 £81.00
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T600 Roof / Rafter Support

T600 6" Roof / Rafter Support
13 in stock now
£83.00 £87.65
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T600 6" Standard Wall Bracket

T600 6" Standard Wall Bracket
106 in stock now
£32.00 £33.75
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T600 Twin Wall Storm Collar

T600 6" Storm Collar
42 in stock now
£32.00 £34.00
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T600 Twin Wall - 1000mm Straight Length

T600 6" Twin Wall - 1000mm Straight Length
117 in stock now
£118.00 £125.00
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T600 6" Twin Wall - 1000mm Starter Length - Black

T600 6" Twin Wall - 1000mm Starter Length - Black
12 in stock now
£195.00 £210.00
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T600 Twin Wall - 500mm Straight Length

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

T600 6" Twin Wall - 300mm Straight Length
28 in stock now
£62.00 £66.00
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T600 Twin Wall - 120mm Straight Length

T600 6" Twin Wall - 120mm Straight Length
18 in stock now
£45.00 £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
£139.00 £147.00
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T600 Twin Wall - Adjustable Straight Length 350-530mm

T600 6" Twin Wall - Adjustable Straight Length 350-530mm
17 in stock now
£107.00 £113.00
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