TWPro MB - Adjustable Base Support 80-280mm - Ø 125
At a Glance
- - Adjustable support from 80mm to 280mm for versatile installation
- - Dual-layer construction: 316L inner and 304 stainless steel outer with high temperature black finish
- - Compressed rockwool insulation at 200kg/m³ for optimal thermal regulation
- - HETAS Approved and CE marked for supreme safety standards
- - Maintains a safe 50mm clearance from any combustible materials

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 Adjustable Base Support 80-280mm – Ø 125 is designed for exceptional support of chimney flues, making it suitable for a variety of appliances including woodstoves, gas coal effect fires, oil boilers, gas boilers, and solid fuel appliances. Constructed with a dual-layer of stainless steel, the outer skin is made from 0.4mm thick 304 stainless steel with a high temperature Black finish, while the inner skin is comprised of 0.4mm thick 316-grade stainless steel. The insulation is composed of compressed rockwool with a density of 200kg/m3 ensuring efficient thermal regulation.
Fully welded parts guarantee robust construction and longevity. The support keeps a distance of 50mm from any combustible materials and is both HETAS Approved and CE marked adhering to the highest safety standards. Installation is straightforward using the supplied Locking Band, ensuring each part of the TWPro Twin Wall Insulated Chimney is securely fastened.
For optimal safety, maintain a 50mm clearance from the outside of the flue to any wood, plasterboard or other combustible material.
SKU: 37-125-063
Technical Specifications | |
---|---|
Adjustable Range | 80-280mm |
Flue Diameter | 125mm (u00d8 125) |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Outer Material | 304 Stainless Steel, 0.40mm thick with High Temperature Black Finish |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Clearance | 50mm from combustibles |
Approvals | HETAS Approved, CE marked |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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 Adjustable Base Support 80-280mm – Ø 125 is an outstanding choice for both retail and trade customers. Offering unparalleled quality, durability and flexibility in installation, this support is perfect for any chimney flue system. National Flues proudly delivers nationwide, ensuring you receive your products promptly and reliably.
The TWPro MB Adjustable Base Support 80-280mm – Ø 125 is designed to provide vertical support for chimney flues, ensuring stability and safety for various solid fuel and gas/oil appliances.
National Flues is a leading supplier of fireplaces and flues across the UK, providing high-quality products with competitive pricing and reliable nationwide delivery. Catering to both retail and trade customers, National Flues is known for its excellent customer service and secure online payments for retail purchases.
