Tee Cap Ø 80
At a Glance
- Constructed with 304-grade stainless steel outer skin and 316-grade stainless steel inner skin (0.40mm thick)
- Compressed rockwool insulation (200kg/m³) for optimal thermal protection
- HETAS Approved & CE marked, meeting EN1856-1 standards
- Suitable for wood, oil, gas and low sulphur coal appliances
- Easy installation with a Locking Band ensuring a safe 50mm clearance from combustibles

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 Tee Cap Ø 80 is an essential accessory designed for capping off the bottom or unused end of a 90/135° tee in chimney flue systems. Suitable for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and boilers, this tee cap guarantees robust performance. Constructed with a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, both 0.4mm thick, it boasts excellent durability.
The inner insulation is made of compressed rockwool with a density of 200kg/m3, ensuring optimal thermal protection. Fully welded parts and a required 50mm distance from combustibles make this component exceptionally safe. Our Tee Cap Ø 80, part of the TWPro Twin Wall Insulated Chimney range, is HETAS Approved and CE marked, meeting stringent EN1856-1 standards.
Installation is straightforward using a Locking Band, enabling easy removal for sweeping and maintenance access. This product is perfect for ensuring safety and efficiency in your chimney flue system.
SKU: 2-80-036
Technical Specifications | |
---|---|
Outer Material | 304 Stainless Steel, 0.40mm thick |
Inner Material | 316 Stainless Steel, 0.40mm thick |
Insulation | Compressed rockwool, 200kg/mu00b3 |
Approvals | HETAS Approved, CE marked |
Design Standards | EN1856-1 (T600 N1 W V2 L50040 G50 and T200 W V2 L50040 O20) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Combustible Clearance | 50mm |
Installation Method | Locking Band |
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.
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National Flues Ltd Verdict
The Tee Cap Ø 80 from National Flues stands out for its top-notch construction and reliability. Perfect for both retail and trade customers, we offer secure online payments and nationwide delivery, ensuring you get the best service along with a premium product.
The Tee Cap Ø 80 is used to securely cap off the bottom or unused end of a 90/135° tee in a chimney flue system, making maintenance and access simpler.
National Flues is a leading supplier of fireplaces and flues across the UK, committed to providing high-quality products at competitive prices. Catering to both retail and trade customers, we pride ourselves on reliable delivery and secure online payments.
