Sflue Black (2114305B) - 90° Tee - Ø 127
At a Glance
- Genuine HETAS & CE approved
- Made from premium 304 (outer) and 316 (inner) stainless steel, each 0.40mm thick
- Maintains a safe 50mm clearance from combustibles
- Versatile design suitable for wood, oil, gas, and low sulphur coal appliances
- Secure 8-barbed twist lock mechanism with 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 Sflue Black 90° Tee Ø 127mm is a critical part for your chimney flue system, suitable for both solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, and more. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this tee ensures durability and performance. The insulation comprises compressed rockwool with a density of 230kg/m3, encapsulated within twist-lock couplers for added safety and efficiency.
Fully laser welded, the Sflue system maintains a safe distance of 50mm from combustibles, ensuring a secure setup. It holds HETAS approval and CE marking, conforming to EN1856-1 T450 N1 D V2 L50040 G50 standards. The 8-barbed twist lock mechanism, secured with a locking band, guarantees a tight and secure fit.
SKU: 42-125-035
Technical Specifications | |
---|---|
SKU | 42-125-035 |
Item | 90u00b0 Tee - u00d8 127mm |
EN Approval | EN1856-1 T450 N1 D V2 L50040 G(50) |
HETAS Approval | Yes |
CE Marking | Yes |
Materials | Outer: 304 Stainless Steel (0.40mm); Inner: 316 Stainless Steel (0.40mm) |
Insulation | Compressed Rockwool, 230kg/m3 |
Installation | 8-barbed twist lock mechanism with locking band; maintain 50mm clearance from combustibles |
Warranties | 15 Years manufacturing defect warranty, 2 Years paint warranty |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Sflue Black 90° Tee Ø 127mm is a robust and versatile component perfect for a variety of heating systems. With HETAS approval and CE marking, you can trust its reliability and quality. We deliver nationwide to both retail and trade customers, making it easy for you to get the components you need.
The Sflue Black 90° Tee Ø 127mm is used to manage the direction of flue gases and provide an inspection point within the flue system.
National Flues is a renowned supplier of fireplaces and flues to both retail and trade customers across the UK. Known for competitive pricing and reliable delivery, National Flues ensures quality and customer satisfaction.
