Cone Top Cowl Ø 150
At a Glance
- Maximum flue gas exit velocity for optimal appliance performance
- Dual stainless steel construction: 304 outer & 316 inner, each 0.40mm thick
- Compressed rockwool insulation (200kg/m³) for superior heat retention
- HETAS Approved and CE marked for trusted safety standards
- Secure, easy installation with a Locking Band
- Compatible with wood, oil, gas, and low sulphur coal systems

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 Cone Top Cowl Ø 150 is ingeniously designed to ensure the maximum exit velocity of flue gases, perfect for woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances. It is constructed with an outer skin made from 304 grade stainless steel and an inner skin made from 316 grade stainless steel, both 0.4mm thick. The insulation comprises compressed rockwool with a density of 200kg/m3, ensuring efficient heat retention and safety.
This cowl is fully welded for enhanced durability and has a mandatory distance to combustibles of 50mm. Additionally, it is HETAS Approved and CE marked, complying with all relevant standards (EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20). Installation is straightforward with a Locking Band to secure the chimney parts, ensuring ease for both professionals and DIY enthusiasts.
Please note, it should only be used where a tee cap and train are installed to drain any water present in the system.
SKU: 2-150-093
Technical Specifications | |
---|---|
Model | Cone Top Cowl u00d8 150 |
Materials | Outer: 304 Stainless Steel, Inner: 316 Stainless Steel |
Thickness | 0.40mm each |
Insulation | Compressed Rockwool (200kg/mu00b3) |
Approvals | HETAS Approved, CE marked |
Standards | EN1856-1 T600 N1 W V2 L50040 G50; EN1856-1 T200 W V2 L50040 O20 |
Installation Method | Secured with Locking Band |
Minimum Clearance | 50mm from combustibles |
Compatible Fuels | Wood, Oil, Gas, Low sulphur coal |
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 Cone Top Cowl Ø 150 is an exemplary product, perfectly suited for both solid fuel and gas/oil appliances. With reliable performance and sturdy construction, it is one of our top picks for efficient flue systems. As always, National Flues offers reliable nationwide delivery and supports retail and trade customers.
The Cone Top Cowl Ø 150 is designed to offer minimal resistance and maximum exit velocity for flue gases in chimney systems used with solid fuel and gas/oil appliances.
National Flues is a leading supplier of fireplaces and flues in the UK, known for competitive pricing, reliable delivery, and catering to both retail and trade customers. Secure online payments and trade accounts are available.
