TWPro MB - Storm Collar - Ø 150
At a Glance
- - Constructed from durable 304 and 316 grade stainless steel
- - Enhanced thermal resistance via compressed rockwool insulation
- - HETAS approved and CE marked for safety and reliability
- - Specifically engineered for water-tight chimney installations
- - Easy installation with a secure locking band system

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 TWPro MB Storm Collar Ø 150 is designed for use on a range of appliances including woodstoves, gas coal-effect fires, oil, and gas boilers, as well as any solid fuel appliances. Its construction features an outer skin made from 304-grade stainless steel and an inner skin crafted from 316-grade stainless steel, both 0.4mm thick. The insulation is made from compressed rockwool, providing unmatched thermal resistance with a density of 200kg/m3 TWPro and 128Kg/m3.
This accessory is fully welded to ensure durability and a snug fit. The necessary distance to combustibles is 50mm for TWPro and 60mm for KC, making it a safe choice for any chimney setup. TWPro is HETAS approved and CE marked, adhering to the highest standards outlined in several EN1856-1 designations.
Installation is straightforward, involving the use of a Locking Band to secure the twin wall insulated chimney parts. Always ensure the required distance from combustibles is maintained for optimal safety.
SKU: 58-150-082
Technical Specifications | |
---|---|
Material | 304-grade stainless steel (outer) and 316-grade stainless steel (inner) |
Skin Thickness | 0.4mm each |
Insulation | Compressed rockwool; 200kg/m3 (TWPro) and 128kg/m3 (KC) |
Application | Woodstoves, gas coal-effect fires, oil & gas boilers, solid fuel appliances |
Minimum Distance To Combustibles | 50mm for TWPro and 60mm for KC |
Certifications | HETAS approved, CE marked, complies with EN1856-1 designations |
Installation Guidance | Install approx. 25mm above the tallest flashings; secure with a locking band and apply silicone for water-tightness |
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 are proud to offer the TWPro MB Storm Collar Ø 150. This product is a reliable and essential accessory for your chimney flue system, ensuring both water-tightness and weather protection. Our delivery is nationwide, and we cater to both retail and trade customers, making us your go-to supplier for quality flue products.
The TWPro MB Storm Collar Ø 150 is designed to ensure water tightness as your chimney flue passes through the roof, protecting the flashing from extreme weather conditions.
TWPro is a trusted manufacturer known for producing high-quality chimney flue systems and accessories. Their products are HETAS approved and CE marked, ensuring reliability and safety for all installations.
