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Storm Collar - Ø 175 (15-175-082)

National Flues’ Storm Collar Ø 175 delivers professional-grade weather-resistant protection for chimney flues. Crafted from premium stainless steel, this essential chimney accessory is engineered for a range of applications including woodstoves, gas and oil boilers, and other solid fuel appliances. The robust design, combined with easy installation and high safety standards, makes it the ideal solution for ensuring your system remains water-tight and durable even in extreme weather conditions.
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£22.49
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At a Glance

  • Constructed from dual-layer stainless steel (304 outer, 316 inner)
  • Robust 0.40mm thickness for lasting durability
  • Compatible with solid fuel and gas/oil appliances
  • HETAS Approved and CE marked for safety and compliance
  • Designed for optimum water-tight chimney protection
  • Easy installation with silicone sealing and locking band

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 Storm Collar Ø 175 is an indispensable component for ensuring the water-tightness and weather resistance of your chimney flue system. Perfect for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers, and any other solid fuel appliances, this robust storm collar protects your flue system from extreme weather conditions. Crafted with precision, the outer skin is constructed from 304 grade stainless steel and the inner skin from 316 grade stainless steel, each with a thickness of 0.4mm for added durability.

The insulation comprises compressed rockwool with a density of 200kg/m³ TWPro / 128Kg/m³, fully welded for a seamless finish. The storm collar must be installed approximately 25mm above the topmost part of the flashing, ensuring a secure fit with a bead of silicone around the top edge and flue. The TWPro Twin Wall Insulated Chimney parts are easily secured together using a Locking Band.

This product is HETAS Approved and CE marked, guaranteeing its high quality and compliance with safety standards. With designation numbers TWPro EN1856-1 T600 N1 W V2 L50040 G50 and TWPro EN1856-1 T200 W V2 L50040 O20, you can trust in its reliability and performance.

SKU: 15-175-082

Technical Specifications
Materials304 stainless steel (outer), 316 stainless steel (inner)
Thickness0.40mm (both inner and outer layers)
InsulationCompressed rockwool, density 200kg/mu00b3 TWPro / 128Kg/mu00b3
ApprovalsHETAS Approved, CE marked
Distance To CombustiblesTWPro 50mm / KC 60mm
Installation HeightApproximately 25mm above flashing
SealingBead of silicone required around top edge
Securing MethodLocking Band for TWPro Twin Wall Insulated Chimney
Ensure the storm collar is installed at least 25mm above the highest point of the flashing. Begin by placing the collar correctly on the chimney flue, then apply a continuous bead of silicone along the top edge to ensure a secure, water-tight seal. Finally, secure the TWPro Twin Wall Insulated Chimney components together with the provided Locking Band. Follow all manufacturer instructions closely for optimal performance and safety.

The Storm Collar Ø 175 is compatible with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances.

It is constructed using high-quality stainless steel; the outer skin is made of 304 grade and the inner skin of 316 grade stainless steel, both 0.4mm thick.

Install the storm collar approximately 25mm above the tallest part of the flashing. Secure it by running a bead of silicone around the top edge and the flue to ensure water-tightness.

Yes, it is HETAS Approved and CE marked, meeting high safety and quality standards.

The storm collar features compressed rockwool insulation with a density of 200kg/m³ TWPro / 128Kg/m³.

The required distance to combustibles is 50mm for TWPro and 60mm on KC.

The parts are secured together using a Locking Band.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Storm Collar - Ø 175 buyers guide

Secure your home’s flue system with the Storm Collar Ø 175 – Order now for unrivalled peace of mind!

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