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TWPro MB - Storm Collar - Ø 175 (58-175-082)

Explore unmatched chimney flue protection with the TWPro MB Storm Collar Ø 175 by National Flues. Engineered for optimal water-tight performance, this premium storm collar safeguards your flue system from harsh weather conditions. Ideal for solid fuel, gas, and oil appliances, it is the go-to solution for professionals seeking robust, reliable, and efficient chimney accessories in the UK.
Now only £31.99
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At a Glance

    Superior water-tight design crafted for extreme weather conditions

    Constructed with high-quality 304 grade (outer) and 316 grade (inner) stainless steel

    High-density compressed rockwool insulation for optimal thermal performance

    Fully welded construction ensuring a secure, leak-proof fit

    HETAS Approved and CE marked for safety and quality assurance

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. This is based on current lead times for this product. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Best Price Match Guarantee +

We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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]

The TWPro MB - Storm Collar Ø 175 is meticulously designed to guarantee water-tightness for your chimney flue system. Ideal for use on solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and boilers. Constructed with durability in mind, the outer skin is made from premium 304 grade stainless steel while the inner skin uses robust 316 grade stainless steel, both 0.4mm thick.

The collar features high-density compressed rockwool insulation ranging from 128kg/m3 to 200kg/m3, ensuring exceptional performance. Fully welded parts ensure a snug fit, keeping you assured of minimal distance to combustibles—50mm for TWPro and 60mm for KC systems. TWPro is proudly HETAS Approved and CE marked, meeting stringent safety and quality standards.

Secure installation is achieved using a Locking Band, and a bead of silicone to complete the water-tight seal, providing long-lasting protection even in extreme weather conditions.

SKU: 58-175-082

Technical Specifications
ModelTWPro MB - Storm Collar - u00d8 175
Diameter175mm
Outer Material304 grade stainless steel
Inner Material316 grade stainless steel
Material Thickness0.4mm each
Insulation Density128-200kg/mu00b3
Installation GapInstall 25mm above flashing; maintain 50-60mm clearance from combustibles
ApprovalsHETAS Approved, CE marked
Ensure that the storm collar is installed approximately 25mm above the highest section of the flashing. Once securely mounted, apply a generous bead of silicone around the top edge and the flue to create a watertight seal. Use the Locking Band to firmly secure all components and maintain the necessary clearance from combustible materials. Always refer to the manufacturer guidelines for optimal performance and safety during installation.

The TWPro MB Storm Collar Ø 175 is suitable for use with solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and boilers.

The outer skin is constructed from 304 grade stainless steel and the inner skin from 316 grade stainless steel. Both materials are 0.4mm thick.

The storm collar should be installed approximately 25mm above the highest part of the flashing.

The silicone bead is applied around the top edge of the storm collar and the flue to ensure complete water-tightness.

Yes, the TWPro MB Storm Collar Ø 175 is HETAS Approved and CE marked, complying with high safety and quality standards.

The insulation is high-density compressed rockwool, with a density of 200kg/m3 for TWPro and 128kg/m3 for other parts.

You can secure the TWPro Twin Wall Insulated Chimney parts by using a Locking Band, ensuring the required distance from any combustible material.

What our experts say!

"The TWPro MB Storm Collar Ø 175 is an exceptional addition to your flue system, ensuring reliable water-tightness. We deliver nationwide and cater to both retail and trade customers, offering unbeatable prices and dependable service."

The TWPro MB Storm Collar Ø 175 is designed to ensure water-tightness and protect the flue system as it passes through the roof, safeguarding it from extreme weather conditions.

National Flues is a leading UK supplier of high-quality fireplaces and flues, providing top-notch products to both retail and trade customers. Known for unbeatable prices and reliable nationwide delivery, securing a trade account or making secure online payments for retail customers is straightforward and easy.

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