Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Adjustable length 530-880 4" Twinwall StainlessInner Diameter 100mm, external diameter 160mm. Our superior stainless steel insulated twinwall flue system for use with solid fuel appliances. Dinak has the strongest interlocking joint system on the market today, making it popular with top installers who need to rely on a quality system every time. Select your required parts and add to your cart, or alternatively Use our FREE TWINWALL QUOTATION SERVICE! and we will select all of the required parts to
Inner Diameter 100mm, external diameter 160mm.Our superior stainless steel insulated twinwall flue system for use with solid fuel appliances. Dinak has the strongest interlocking joint system on the market today, making it popular with top installers who need to rely on a quality system every time.
Select your required parts and add to your cart, or alternatively Use our FREE TWINWALL QUOTATION SERVICE! and we will select all of the required parts to suit your system.
Note: a locking band is required at each joint in the twinwall system.
Main Features
• Simple, easy push-fit system
• HETAS Approved
• High mechanical resistance to vertical and horizontal forces
• 60mm clearance to combustibles
• No thermal bridge, insulation continuity throughout the system
• Thermal expansion absorbed in each element
• High working temperature: 600°C under continuous operation
Applications
• Solid fuel appliances, wood and multifuel stoves
• Biomass boilers
• Domestic heating and hot water systems
• Hot air generators
• Bakery ovens
• Ventilation and smoke extraction
• Industrial / commercial heating
Materials
Inner wall: 316L Stainless Steel
Outer wall: 304 Stainless Steel
Insulation: 30mm Rockwool
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2087 reviews
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Product Reviews
★★★★★ 3
NightNight PJS
Color: Light Khaki, Size: XX-Large
more like pajamas than a casual set.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Perfect Fit
Color: Navy Blue, Size: XX-Large
Perfect fit
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Awesome product!
Color: Brown, Size: Large
Fabric is soft and comfortable. Length is nice and long.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
True to size
Color: Khaki, Size: X-Large
Perfect fit and super comfortable
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great workout set!
This is very thick and warm fleece like material, that fits well and looks good. It’s sturdy and has held up well after washing. It looks and fits great!
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Reviewed in the United States on March 5, 2026