Sflue Black (70123407B) - Storm Collar - Ø 127
At a Glance
- - Weatherproof design for superior chimney protection
- - Constructed with 304-grade (outer) and 316-grade (inner) stainless steel for longevity
- - Suitable for wood, oil, gas, and low sulphur coal appliances
- - Compressed rockwool insulation (230kg/m3) enhances thermal performance
- - Easy installation with twist-lock couplers and a locking band
- - Laser welded assembly for added structural integrity
- - HETAS approved and CE marked for industry compliance

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 (70123407B) - Storm Collar Ø 127 is specifically designed to weatherproof the top of the flashing on your chimney system. Ideal for use with woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances, this storm collar ensures that your chimney remains secure and functional regardless of the weather. Constructed with a durable outer skin made from 304-grade stainless steel and an inner skin from 316-grade stainless steel, both at 0.4mm thickness, it offers robust protection.
The insulation is made from compressed rockwool with a density of 230kg/m3, enclosed within twist-lock couplers for ease of installation. The entire assembly is laser welded for extra durability. It is essential to maintain a 50mm distance from any combustible material.
This product is HETAS approved, CE marked, and bears the designation number EN1856-1 T450 N1 D V2 L50040 G50, ensuring compliance with the highest industry standards. Secure the parts using a locking band for a tight fit. Perfect for both new installations and upgrading existing systems, National Flues ensures a reliable product that offers peace of mind.
SKU: 42-125-082
Technical Specifications | |
---|---|
SKU | 42-125-082 |
Product Name | Sflue Black (70123407B) - Storm Collar - u00d8 127 |
Outer Material | 304-grade Stainless Steel, 0.40mm thick |
Inner Material | 316-grade Stainless Steel, 0.40mm thick |
Insulation | Compressed Rockwool (230kg/m3) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Installation Gap | Minimum 50mm distance from combustibles |
Certifications | HETAS Approved, CE Marked |
Designation | EN1856-1 T450 N1 D V2 L50040 G(50) |
Warranty | 15 Years manufacturing defect warranty; 2 Years paint warranty |
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 Sflue Black (70123407B) - Storm Collar Ø 127 is a top choice for ensuring your chimney system remains protected against the elements. With its robust construction and reliable design, this storm collar is perfect for a wide range of solid fuel and gas appliances. National Flues is proud to offer nationwide delivery and serve both retail and trade customers with unbeatable prices and dependable service.
The Sflue Black (70123407B) - Storm Collar Ø 127 is designed to weatherproof the top of the flashing, protecting your chimney from external elements.
National Flues supplies high-quality flues and fireplaces across the UK. Renowned for competitive prices and reliable delivery, they cater to both retail and trade customers with equal commitment.
