Damper Section Ø 100
At a Glance
- HETAS approved and CE marked for safety and compliance
- Suitable for solid fuel, oil, and gas appliances
- Double-walled construction with 304 and 316-grade stainless steel
- Superior thermal protection with compressed rock wool insulation (200kg/m³)
- Easy installation using a Locking Band system
- Maintains a safe 50mm clearance to combustibles

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The Damper Section Ø 100 is an essential accessory for managing draughts within your chimney, ensuring optimal performance and efficiency. Designed for use with solid fuel and gas/oil appliances, this damper is perfect for woodstoves, gas coal effect fires, oil, and gas boilers, as well as any other solid fuel appliances. The construction features a robust outer skin made from 304-grade stainless steel and a durable inner skin of 316-grade stainless steel, both with a thickness of 0.4mm.
It also boasts compressed rock wool insulation with a density of 200kg/m³, providing exceptional thermal protection. All parts are fully welded, ensuring long-lasting durability. Compliance with HETAS approval and CE marking guarantees the highest safety and performance standards.
The Damper Section is part of the TWPro Twin Wall Insulated Chimney system and is easy to install using a Locking Band. Remember to maintain a 50mm clearance from the outside of the flue to any combustible materials such as wood or plasterboard.
SKU: 2-100-006
Technical Specifications | |
---|---|
SKU | 2-100-006 |
Dimensions | u00d8 100, 0.40mm wall thickness |
Inner Material | 316L Stainless Steel |
Outer Material | 304 Stainless Steel |
Insulation | Compressed rock wool, 200kg/mu00b3 |
Approvals | HETAS / CE |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Installation | Locking Band system, 50mm clearance to combustibles |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The Damper Section Ø 100 is an excellent choice for reliable and efficient flue control. At National Flues, we pride ourselves on our unbeatable prices and reliable nationwide delivery for both retail and trade customers.
The Damper Section Ø 100 is used to regulate draught within chimneys, ensuring optimal performance and efficiency for solid fuel, gas, and oil appliances.
Known for their commitment to quality and reliable nationwide delivery, National Flues supplies high-quality fireplaces and flue systems to both retail and trade customers, rarely beaten on price.
