TWPro MB - Adjustable Pipe 500-880mm - Ø 125
At a Glance
- Adjustable length from 500mm to 880mm
- Dual-layer construction with 304 and 316 stainless steel
- High temperature black coated outer skin for durability
- Compressed rockwool insulation (200kg/m3) for efficient thermal performance
- HETAS approved, CE marked and compliant with EN1856-1 standards
- No screws required – secured with a locking band for easy installation

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 Pipe 500-880mm Ø 125 is engineered for use with a range of solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, oil boilers, and gas boilers. This pipe boasts an outer skin crafted from 304 grade stainless steel, coated in a durable high-temperature black finish. The inner skin is constructed from 316 grade stainless steel, providing enhanced resistance to heat and corrosion.
Both layers are 0.4mm thick, ensuring exceptional durability. This model features tightly compressed rockwool insulation with a density of 200kg/m3, effectively maintaining the pipe's integrity and safety. Each part is fully welded for a secure, seamless construction.
Notably, the TWPro is HETAS approved and CE marked, complying with EN1856-1 standards, and requires a minimum distance of 50mm from any combustible materials.
SKU: 37-125-014
Technical Specifications | |
---|---|
Adjustable Length | 500-880mm |
Diameter | u00d8 125mm |
Material Outer | 304 Stainless Steel with high temperature black coating |
Material Inner | 316 Stainless Steel |
Insulation | Compressed rockwool, 200kg/m3 |
Compliance | HETAS approved, CE marked, EN1856-1 compliant |
Minimum Clearance | 50mm from combustibles |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB Adjustable Pipe 500-880mm Ø 125 is an exceptional choice in flue systems. Its versatile design and robust construction make it perfect for a variety of appliances. With National Flues' reliable delivery and outstanding pricing, both retail and trade customers nationwide can count on us for top-notch products.
The TWPro MB Adjustable Pipe 500-880mm Ø 125 is designed to safely channel exhaust gases from solid fuel and gas/oil appliances, maintaining a secure and efficient chimney system.
National Flues is a renowned supplier of high-quality fireplaces and flues, committed to providing unbeatable prices, reliable delivery, and excellent service to both retail and trade customers across the UK.
