90° Tee Ø 80
At a Glance
- Constructed with dual stainless steel layers (304 outer, 316 inner, each 0.40mm thick)
- Fully welded design for a secure, leak-free connection
- Versatile compatibility with solid fuel, gas, and oil appliances
- Compressed rockwool insulation (200kg/m³) for superior heat resistance
- HETAS Approved and CE Marked, ensuring high 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 90° Tee Ø 80 is a robust chimney flue component designed for use with solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, and boilers. 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 reliability. The insulation, made from compressed rockwool, boasts a density of 200kg/m3, providing excellent heat resistance.
This tee is fully welded, ensuring a secure and long-lasting connection. It's important to maintain a 50mm distance to any combustible materials, such as wood or plasterboard. Approved by HETAS and CE marked, the 90° Tee Ø 80 meets stringent safety and performance standards, designated as EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
Installation is straightforward, utilizing a Locking Band to secure the chimney parts together.
SKU: 2-80-035
Technical Specifications | |
---|---|
Material | Outer: 304 Stainless Steel (0.40mm); Inner: 316 Stainless Steel (0.40mm) |
Insulation | Compressed Rockwool (200kg/mu00b3) |
Safety | HETAS Approved, CE Marked |
Standards | EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20 |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Distance To Combustibles | 50mm |
System | TWPro Twin Wall Insulated Chimney System |
Installation Method | Locking Band Secured |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The 90° Tee Ø 80 is an essential and reliable component for your chimney system, crafted with precision from high-grade stainless steel. At National Flues, we pride ourselves on offering exceptional quality at competitive prices, with dependable nationwide delivery serving both retail and trade customers.
The 90° Tee Ø 80 is used to connect the flue to the rear outlet of solid fuel and gas/oil appliances, ensuring efficient ventilation and safe operation.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, known for competitive pricing and reliable delivery. We serve both retail and trade customers with a commitment to excellence.
