Sflue (2141006) - Pipe 500mm - 152mm Ø
At a Glance
- - Double-layered construction: Outer 304 stainless steel and inner 316 stainless steel, both at 0.40mm thickness
- - High-density compressed rockwool insulation (230kg/m3) for superior thermal retention and safety
- - Easy twist-lock installation with a secure locking band
- - Certified to EN1856-1 standards: HETAS approved and CE marked
- - Designed to maintain a safe 50mm distance from combustibles
- - Suitable for wood stoves, gas coal effect fires, oil boilers and other solid fuel 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: sales@nationalflues.com
- Info
- Specs
- Install
- FAQs
The Sflue 500mm Pipe - 152mm Ø is a top-of-the-line component designed for solid fuel, gas, and oil appliances. Examples include wood stoves, gas coal effect fires, oil boilers, and any solid fuel appliances. Its sophisticated construction features an outer skin made from 304 grade stainless steel, measuring at 0.4mm thick, and an inner skin comprised of 316 grade stainless steel, also 0.4mm thick.
The pipe's insulation is made from compressed rockwool with an impressive density of 230kg/m3, encapsulated within the twist-lock couplers to ensure safety and efficiency. The Sflue maintains a safe distance of 50mm from combustibles, reducing fire risk significantly.
SKU: 22-150-011
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
At National Flues, we consider the Sflue 500mm Pipe - 152mm Ø to be a top-tier choice for anyone requiring a robust and reliable flue solution. With HETAS approval and CE marking, it meets the highest of standards. We proudly deliver nationwide, catering to both retail and trade customers. Don't miss out on this quality product.
This product is designed for safely and efficiently venting gases from solid fuel, gas, and oil appliances.
Sflue is a renowned brand in the flue and chimney industry, known for its high-quality materials and reliable performance. Their products are HETAS approved and CE marked, ensuring safety and efficiency.
