Sflue (2153206) - Tee Cap with Drain - 152mm Ø
At a Glance
- Robust construction with 304-grade stainless steel outer skin and 316-grade stainless steel inner skin (both 0.4mm thick)
- Effective drainage with a 1″ BSP external thread drain connection
- Fully laser-welded components for superior longevity
- Compressed rockwool insulation (230kg/m³) for enhanced thermal protection
- Secured assembly using an 8-barbed twist-lock mechanism and Locking Band
- HETAS Approved and CE marked, ensuring high safety standards
- Maintains a safe 50mm distance from combustible materials

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 (2153206) - Tee Cap with Drain is an essential component for any vertical chimney system, specifically designed to facilitate efficient drainage and ease of cleaning. This high-quality product is suitable for use with solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, and various boilers.Constructed with durability in mind, the outer skin is made from 304-grade stainless steel, while the inner skin uses 316-grade stainless steel, both at a thickness of 0.4mm. The insulation comprises compressed rockwool with a density of 230kg/m³, meticulously encapsulated within the twist-lock couplers to ensure maximum protection and efficiency.
With its fully laser-welded parts, this Tee Cap guarantees longevity and robust performance.The Sflue (2153206) is HETAS Approved and CE marked, meeting the stringent standards outlined in Designation Number EN1856-1 T450 N1 D V2 L50040 G50. Installation is straightforward, secured together using an 8-barbed twist lock mechanism and a Locking Band, maintaining a safe distance of 50mm from any combustible materials.
SKU: 22-150-037
Technical Specifications | |
---|---|
SKU | 22-150-037 |
Diameter | 152mm u00d8 |
Outer Material | 304 Stainless Steel (0.4mm thick) |
Inner Material | 316 Stainless Steel (0.4mm thick) |
Insulation | Compressed Rockwool, 230kg/mu00b3 |
Drain Connection | 1u2033 BSP external thread |
Approvals | HETAS / CE |
Distance To Combustibles | 50mm |
Warranty | 15 Years |
Assembly | Fully laser-welded with an 8-barbed twist-lock mechanism and Locking Band |
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 (2153206) - Tee Cap with Drain is a brilliant addition for anyone seeking reliable, durable chimney flue fittings. Trusted for its high-quality construction and efficient drainage, it's an excellent choice for both retail and trade customers. Plus, with National Flues' reliable nationwide delivery and competitive pricing, you can't go wrong.
The Sflue (2153206) - Tee Cap with Drain is designed for the base of vertical chimney systems to aid in drainage and facilitate easier cleaning.
Sflue is a respected name in the chimney flue industry, known for its high-quality, robust, and reliable products. All components are suitably designed to meet stringent safety and performance standards.
