45° Bend Ø 125
At a Glance
- Durable stainless steel construction (304 outer, 316 inner)
- HETAS approved and CE marked for safety
- High-density rockwool insulation (200kg/m³) for excellent thermal efficiency
- Fully welded design ensuring robust and leak-free performance
- Minimum 50mm safety gap to combustibles
- Ideal for a variety of appliances including woodstoves, gas fires, and boilers

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 45° Bend Ø 125mm is an essential component for those seeking an efficient and durable chimney flue solution. Ideal for use with solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and boilers, this bend is crafted for superior performance. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both at 0.4mm thick, it ensures resilience and longevity.
The insulation comprises high-density compressed rockwool at 200kg/m3, providing outstanding thermal efficiency. Fully welded parts guarantee structural integrity. With a safety distance to combustibles of 50mm, this product meets stringent standards, being HETAS approved and CE marked.
Installation is straightforward with TWPro Twin Wall Insulated Chimney parts secured by a Locking Band, maintaining a 50mm gap from the flue to any combustible material.
SKU: 2-125-031
Technical Specifications | |
---|---|
SKU | 2-125-031 |
Bend Angle | 45u00b0 |
Diameter | 125mm |
Inner Material | 316L Stainless Steel (0.4mm thick) |
Outer Material | 304 Stainless Steel (0.4mm thick) |
Insulation | High-density compressed rockwool (200kg/mu00b3) |
Certification | HETAS / CE |
Safety Distance | 50mm |
Compatible Fuels | Wood, Oil, Gas, Low sulphur coal |
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
National Flues recommends the 45° Bend Ø 125mm for its robustness and reliability. This product stands out for its certified quality, with nationwide delivery available for both retail and trade customers.
The 45° Bend Ø 125mm is designed to provide an efficient and reliable offset in chimney flue systems, making it suitable for various heating appliances including woodstoves, gas fires, and oil boilers.
National Flues is a leading supplier of fireplaces and flues across the UK, known for exceptional quality, unbeatable prices, reliable delivery, and excellent customer service to both retail and trade customers.
