Single Wall to Twin Wall Adaptor Ø 200
At a Glance
- Secure transition from single wall to twin wall systems
- Dual stainless steel construction: 304 exterior and 316 interior
- Compressed rockwool insulation for superior thermal efficiency
- Fully welded for enhanced structural integrity
- HETAS approved and CE marked for UK safety standards

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 Single Wall to Twin Wall Adaptor Ø 200 is essential for safely connecting your appliance outlet to a twin wall flue system like TWPro. Designed with a tapered shape, it ensures a smooth and secure transition from single wall to twin wall flue pipes. Constructed with 304 grade stainless steel on the outer skin and 316 grade stainless steel on the inner skin, both layers are 0.4mm thick for durability.
The adaptor features compressed rockwool insulation with a density of 200kg/m3, guaranteeing exceptional thermal efficiency. Fully welded for maximum strength, it maintains a safe 50mm distance from combustibles, adhering to strict safety standards. Certified HETAS approved and CE marked, it meets EN1856-1 T600 and EN1856-1 T200 standards, making it suitable for solid fuel, oil, and gas appliances, including woodstoves, gas coal effect fires, and boilers.
Installation is straightforward with a Locking Band to secure connections, ensuring reliability and longevity.
SKU: 2-200-001
Technical Specifications | |
---|---|
SKU | 2-200-001 |
Dimensions | u00d8 200mm |
Materials | 316L Stainless Steel (inner), 304 Stainless Steel (outer), 0.40mm thickness |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Certifications | HETAS, CE, EN1856-1 T600, EN1856-1 T200 |
Approval Distance | 50mm from combustibles |
System | TWPro |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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 Single Wall to Twin Wall Adaptor Ø 200 is an exceptional product that seamlessly transitions from single wall to twin wall flue systems. At National Flues, we pride ourselves on delivering top-quality products nationwide, serving both retail and trade customers efficiently.
This adaptor facilitates the connection between single wall flue pipes and the TWPro twin wall flue system, ensuring a secure and efficient transition.
National Flues is a leading supplier of fireplaces and flues across the UK, catering to both retail and trade customers. Renowned for competitive pricing and reliable delivery, we offer top-quality products and exceptional service.
