TWPro GREY - Flat Adaptor to SW - Ø 125
At a Glance
- - Versatile connection for both solid fuel and gas appliances
- - Robust 304 outer and 316 inner stainless steel construction (0.4mm thick each)
- - Superior thermal protection with 200kg/m3 compressed rockwool insulation
- - HETAS approved and CE marked for industry-leading safety
- - Secure, flat design enables quick, efficient installation
- - Compact adaptor bridges appliance outlets to TWPro chimney system seamlessly

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 TWPro GREY Flat Adaptor to Single Wall Flue Ø 125mm is an indispensable piece for anyone fitting a solid fuel or gas appliance such as woodstoves, gas coal effect fires, or oil and gas boilers. This adaptor allows for a smooth transition from the appliance outlet or a single wall connecting flue to the TWPro system, efficiently bridging the gap in the shortest length possible. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this adaptor boasts robust durability.
It features compressed rockwool insulation with a density of 200kg/m3, ensuring excellent thermal protection. All components are fully welded, providing superior structural integrity. With HETAS approval and CE marking, you can trust in the high-quality and safety of this product.
Installation is straightforward, requiring a locking band to secure the chimney parts together, and maintaining a safe distance of 50mm from the flue's exterior to any combustible materials.
SKU: 17-125-005
Technical Specifications | |
---|---|
SKU | 17-125-005 |
Connection Size | u00d8 125mm |
Outer Material | 304 Grade Stainless Steel |
Inner Material | 316 Grade Stainless Steel |
Material Thickness | 0.40mm |
Insulation | Compressed Rockwool, Density 200kg/m3 |
Approvals | HETAS Approved, CE Marked |
Minimum Clearance To Combustibles | 50mm |
Application | Solid fuel and gas appliance adaptor |
Design | Flat adaptor for single wall flue connection |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 2nd. 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 TWPro GREY Flat Adaptor to Single Wall Flue Ø 125mm is a versatile and essential component for any solid fuel or gas appliance installation. National Flues is proud to offer this reliable adaptor with nationwide delivery, ensuring both retail and trade customers get the best value and service.
The TWPro GREY Flat Adaptor to Single Wall Flue is designed to seamlessly connect solid fuel and gas appliances to a TWPro chimney system, ensuring optimal performance and integration.
National Flues is a leading supplier of fireplaces and flues across the UK, known for unbeatable prices, reliable delivery, and exceptional customer service for both retail and trade clients.
