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5" (125mm) Dinak DW Twin Wall Chimney System

Dinak DW was started back in 1983 and since then has been striving for high quality and technological innovation within the field of heating solutions. Our 5" high quality Dinak Twin Wall range of insulated flue pipes have an accurate 125mm internal diameter, 30mm of compressed insulation and an external diameter of 175mm.

Note, Locking Bands must be purchased separately and provide for safe and secure connections without the need for extra sealants or cements.

Please note, all items listed below which fit around the 5" Dinak Twin Wall such as Wall Brackets, Finishing Plates and Storm Collars will measure 175mm to accommodate the greater external diameter of the pipes.



5 Inch (125mm) Adapter to SW (Vitreous)

5 Inch (125mm) Adapter to SW (Vitreous)
£27.97 inc VAT
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5 - 6 Inch (125mm) Increaser Adapter to SW

5 - 6 Inch (125mm) Increaser Adapter to SW
£38.57 inc VAT
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5 Inch (125mm) Draught Stabiliser

5 Inch (125mm) Draught Stabiliser
£239.88 inc VAT
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5 Inch (125mm) Draught Regulator

5 Inch (125mm) Draught Regulator
£78.50 inc VAT
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5 Inch (125mm) 90 Deg Elbow

5 Inch (125mm) 90 Deg Elbow
£84.25 inc VAT
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5 Inch (125mm) 45 Deg Elbow

5 Inch (125mm) 45 Deg Elbow
£40.10 inc VAT
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5 Inch (125mm) 30 Deg Elbow

5 Inch (125mm) 30 Deg Elbow
£46.24 inc VAT
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5 Inch (125mm) 15 Deg Elbow

5 Inch (125mm) 15 Deg Elbow
£46.24 inc VAT
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5 Inch (125mm) 135 Deg Tee

5 Inch (125mm) 135 Deg Tee
£119.50 inc VAT
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5 Inch (125mm) 90 Deg Tee

5 Inch (125mm) 90 Deg Tee
£69.79 inc VAT
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5 Inch (125mm) Tee Cap

5 Inch (125mm) Tee Cap
£23.02 inc VAT
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5 Inch (125mm) Tee Cap c/w Drain

5 Inch (125mm) Tee Cap c/w Drain
£32.66 inc VAT
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5 Inch (125mm) Locking Band

5 Inch (125mm) Locking Band
£4.55 inc VAT
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5 Inch (125mm) Flat Wall Support

5 Inch (125mm) Flat Wall Support
£13.48 inc VAT
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5 Inch (125mm) Roof Support

5 Inch (125mm) Roof Support
£19.84 inc VAT
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5 Inch (125mm) Joist Support

5 Inch (125mm) Joist Support
£25.27 inc VAT
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5 Inch (125mm) Guy Wire Bracket

5 Inch (125mm) Guy Wire Bracket
£12.70 inc VAT
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5 Inch (125mm) Ventilated Firestop Plate

5 Inch (125mm) Ventilated Firestop Plate
£58.79 inc VAT
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5 Inch (125mm) Storm Collar

5 Inch (125mm) Storm Collar
£20.60 inc VAT
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5 Inch (125mm) Rain Cap

5 Inch (125mm) Rain Cap
£34.27 inc VAT
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5 Inch (125mm) Open Terminal

5 Inch (125mm) Open Terminal
£47.10 inc VAT
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5 Inch (125mm) Weathering Cap

5 Inch (125mm) Weathering Cap
£39.91 inc VAT
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5 Inch (125mm) Weathering GAS Cap

5 Inch (125mm) Weathering GAS Cap
£58.85 inc VAT
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5 Inch (125mm) Joint Seal

5 Inch (125mm) Joint Seal
£3.78 inc VAT
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5 Inch (125mm) Wall Sleeve

5 Inch (125mm) Wall Sleeve
£22.21 inc VAT
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Guy Wire Installation Kit

Guy Wire Installation Kit
£55.00 inc VAT
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Roof Flashing Silicone Fixing Kit

Roof Flashing Silicone Fixing Kit
£7.99 inc VAT
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Installing a Twin Wall Flue System

As no two twin wall flue systems are the same you need to plan the route of your flue pipe and get all the parts required to route your twin wall flue. For more information on installing a twin wall flue system, see our guide.

Why Install a Twin Wall Flue System?

You will need to install a twin wall flue system if you are planning on passing your flue through a wall, ceiling or roof or if it runs externally. In all of these cases a twin wall flue system is required.

Twin wall flue parts

All the parts in our twin wall flue section are designed to fit together to form one continuous twin wall flue system. If you require any help with planning your twin wall flue system then call us on: 01376 555 182.