Sflue Black (2153205B) - Tee Cap with Drain - Ø 127
At a Glance
- Robust construction with dual stainless steel skins (304 & 316 grades)
- Efficient drain with 1-inch BSP external thread connection
- HETAS approved and CE marked for safety and compliance
- Secure 8-barbed twist lock system for easy installation
- Designed for wood, oil, gas, and low sulphur coal appliances

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 Tee Cap with Drain - Ø 127 is a high-quality component designed for use with solid fuel, gas, and oil appliances. Whether you're running a woodstove, a gas coal effect fire, or an oil and gas boiler, this product is engineered to ensure safe and efficient operation. Constructed with robust materials, the outer skin is made from 304 grade stainless steel, while the inner skin utilizes 316 grade stainless steel.
Both skins are 0.4mm thick, ensuring durability. The insulation, made from compressed rockwool with a density of 230kg/m3, is encapsulated within twist-lock couplers, providing secure and efficient thermal insulation.Fully laser-welded for maximum strength, the Sflue Tee Cap is designed with an 8-barbed twist lock system, ensuring all parts are securely held together using a locking band. The tee cap features a stainless steel 1-inch BSP external thread drain connection, making it ideal for facilitating drainage and maintenance at the base of a vertical chimney.
Keep a safe distance of 50mm from any combustible materials during installation.HETAS approved and CE marked, the Sflue Tee Cap meets the highest safety and quality standards. The designation number EN1856-1 T450 N1 D V2 L50040 G50 attests to its reliability and performance.
SKU: 42-125-037
Technical Specifications | |
---|---|
SKU | 42-125-037 |
Product Name | Sflue Black Tee Cap with Drain - u00d8 127 |
Dimensions | u00d8 127 |
Outer Material | 304 Stainless Steel, 0.40mm thick |
Inner Material | 316 Stainless Steel, 0.40mm thick |
Insulation | Compressed Rockwool (230kg/m3) |
Drain Connection | 1-inch BSP external thread |
Locking Mechanism | 8-barbed twist lock with locking band |
Approvals | HETAS / CE |
Distance To Combustibles | 50mm |
Warranty | 15 Years (manufacturing), 2 Years (paint) |
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 Tee Cap with Drain - Ø 127 is an essential component for your heating systems. With approval from HETAS and CE marking, it offers reliability and safety. Install it at the bottom of your chimney for efficient drainage and cleaning. Enjoy our nationwide delivery and unbeatable prices. Ideal for both retail and trade customers.
The Sflue Black Tee Cap with Drain - Ø 127 is designed for placement at the bottom of a vertical chimney to facilitate efficient drainage and cleaning.
National Flues is a leading supplier of high-quality fireplaces and flues, serving retail and trade customers across the UK with reliable delivery and competitive pricing.
