87° Tee Ø 125
At a Glance
- Premium dual-layer stainless steel construction (304 outer, 316L inner, both 0.4mm thick)
- High-density compressed rock wool insulation (200kg/m³) for optimal thermal efficiency
- HETAS Approved and CE marked ensuring compliance with stringent safety standards
- Designed for both solid fuel and gas/oil appliances including wood stoves and boilers
- Safe 50mm clearance from combustibles to minimise fire risk
- Secure installation with TWPro Twin Wall Insulated Chimney Parts and a Locking Band

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 87° Tee Ø 125 is an essential component for any solid fuel or gas/oil appliance, including wood stoves, gas coal effect fires, and oil/gas boilers. Crafted with precision, this flue part features a robust construction with an outer skin made from 304 grade stainless steel and a 0.4mm thickness. The inner skin is equally durable, comprising 316 grade stainless steel with a 0.4mm thickness.
The insulation is made of compressed rock wool with a density of 200kg/m3, ensuring optimal thermal efficiency. Fully welded for maximum strength, the 87° Tee Ø 125 guarantees a secure fit. It maintains a safe distance of 50mm from combustibles, meeting stringent safety standards.
The product is HETAS Approved and CE marked, boasting designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward with the TWPro Twin Wall Insulated Chimney parts secured using a Locking Band, ensuring all components are firmly connected.
SKU: 2-125-038
Technical Specifications | |
---|---|
Inner Material | 316L Stainless Steel, 0.4mm thick |
Outer Material | 304 Stainless Steel, 0.4mm thick |
Insulation | Compressed Rock Wool, 200kg/mu00b3 |
Approvals | HETAS / CE |
Designations | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 |
Distance To Combustibles | 50mm |
System Compatibility | TWPro Twin Wall Insulated Chimney Parts |
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
At National Flues, the 87° Tee Ø 125 stands out for its exceptional construction and versatility. Perfect for a variety of heating systems, this product ensures safety and performance. With our reliable nationwide delivery, trade accounts, and secure retail payments, it's the best choice for both professionals and homeowners.
The 87° Tee Ø 125 is designed for creating efficient and safe offsets in chimney flues, supporting solid fuel and gas/oil appliances in homes and commercial settings.
National Flues is a leading supplier of high-quality fireplaces and flues in the UK, serving both retail and trade customers with competitive pricing and reliable nationwide delivery.
