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Clarke 6" Stainless Steel Adjustable Twin Wall Flue Extension 75-350mm

Name: Clarke 6" Stainless Steel Adjustable Twin Wall Flue Extension 75-350mm
Brand: Clarke
SKU: SKU260326123251005
Availability: InStock

SKU: 260326123251005 EAN: 5016086253389

Compare 2 prices for Clarke 6" Stainless Steel Adjustable Twin Wall Flue Extension 75-350mm — from £108.95 to £115.19 across 2 UK sellers including Tool Store Direct, Machine Mart. Save up to £6.24 (5%).

£108.95 63h ago

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Compare Prices from 2 Sellers

Prices updated 20 Apr 2026

2

Machine Mart

£115.19 +£6.24

2h

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#2

Machine Mart

2h ago

£115.19 +£6.24

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A top quality stainless steel, high temperature insulated twin wall flue pipe, guaranteed for 10 years against defects due to faulty manufacture. This stainless steel system consists of a 25mm high density insulated core surrounded by 316 grade inner liner is 0.5mm thick, (25% thicker than some products) and the 304 grade outer casing is 0.5mm thick, whilst extending between 75-350mm. They are BSRIA approved to BS EN 1856 Parts 1 & 2 and HETAS approved for solid fuel burning. It is supplied with a bright Annealed Mirror Finish. The Extension Length comes complete with a special locking band and provides an extension of 75mm to 350mm when slipped over a standard length. This can be used fully with any length starting from 500mm. When used on a 300mm length the minimum extension achieved would be 260mm. Sold fully insulated. Please note - images are for illustration purposes only - the fixing for connecting the flue has been upgraded from a bolted flange to a more secure collar clasp buckle fitting - new images to follow shortly.

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