TWPro MB - Chest Mounting Plate - Ø 150
At a Glance
- - Versatile transitional solution for converting MI-FLEX flue liners to TWPro systems
- - Premium 304 stainless steel outer with high-temperature black coating
- - Robust 316 stainless steel inner skin for durability
- - Dense compressed rockwool insulation (200kg/m³) for superior heat control
- - 50mm clearance from combustibles, ensuring excellent safety compliance
- - Fully welded construction with HETAS/CE approval

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 Chest Mounting Plate is a versatile and essential component for your chimney system, designed to convert MI-FLEX flue liners to the TWPro system seamlessly. Ideal for use with wood stoves, gas coal effect fires, oil boilers, and gas boilers, this plate is crafted with precision from 304 grade stainless steel with an outer skin thickness of 0.4mm. It features a high-temperature black-coated finish for added durability and aesthetic appeal.
The inner skin is made from robust 316 grade stainless steel, also 0.4mm thick, ensuring long-lasting performance. Insulated with dense compressed rockwool at a substantial density of 200kg/m3, this mounting plate delivers excellent thermal insulation. Fully welded construction ensures superior reliability, while the 50mm clearance from combustibles provides the necessary safety margin.
Accredited with HETAS approval and CE marking, the product meets the highest standards in safety and performance. Installation is straightforward, thanks to the supplied Locking Band which secures all parts together, ensuring that the transition from flex to TWPro occurs within the existing class 1 chimney stack.
SKU: 37-150-062
Technical Specifications | |
---|---|
SKU | 37-150-062 |
Diameter | 150mm |
Outer Material | 304 Stainless Steel with 0.40mm high-temperature black coating |
Inner Material | 316 Stainless Steel with 0.40mm thickness |
Insulation | Dense compressed rockwool (200kg/m³) |
Clearance To Combustibles | 50mm |
Approvals | HETAS / CE |
Construction | Fully welded |
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.
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National Flues Ltd Verdict
The TWPro MB Chest Mounting Plate is a top-tier, reliable choice for both solid fuel and gas appliances. National Flues is proud to offer this high-quality product, coupled with our rarely beaten prices and dependable nationwide delivery to retail and trade customers.
The TWPro MB Chest Mounting Plate facilitates the transition between MI-FLEX flue liners and the TWPro flue system, ensuring a secure connection in chimneys.
National Flues is a leading supplier of fireplaces and flues, catering to both retail and trade customers across the UK. Known for our unbeatable prices and reliable delivery, we offer secure online payments and dedicated trade accounts.
