TWPro MB - Adjustable Pipe 500-880mm - Ø 100
At a Glance
- Adjustable length from 500mm to 880mm for custom fittings
- Constructed with 304-grade stainless steel outer skin and 316-grade stainless steel inner skin
- Fully insulated with 200kg/m³ compressed rockwool
- HETAS approved and CE marked for guaranteed safety
- Simple installation with a locking band, no screws required
- Ideal for multiple fuel types including wood, oil, gas and low sulphur coal
- Requires a safe 50mm clearance from combustibles

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: sales@nationalflues.com
- Info
- Specs
- Install
- FAQs
The TWPro MB Adjustable Pipe 500-880mm Ø 100 is a versatile and high-quality component designed for solid fuel and gas/oil appliances. Suitable for woodstoves, gas fires, oil boilers, and more, this pipe is constructed with durability and safety in mind. The outer skin boasts 304-grade stainless steel at 0.4mm thickness, coated with a high-temperature black finish for added resilience.
The inner skin is constructed from 316-grade stainless steel, also at 0.4mm thickness, ensuring superior performance. Insulated with compressed rockwool at a density of 200kg/m³, the pipe is designed to be fully welded for strength. Notably, it is HETAS approved and CE marked, denoting compliance with rigorous safety standards.
This pipe requires a safe clearance of 50mm from any combustible materials, making it a reliable and secure choice for your chimney system.
SKU: 37-100-014
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
The TWPro MB Adjustable Pipe 500-880mm Ø 100 is an exceptional choice for any solid fuel or gas/oil appliance. We are rarely beaten on price and ensure reliable delivery nationwide. Trusted by both retail and trade customers, you can't go wrong with National Flues.
The TWPro MB Adjustable Pipe is designed to provide a secure and flexible connection for solid fuel and gas/oil appliances, ensuring safe and efficient operation of your heating system.
National Flues is a trusted supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK. Renowned for competitive pricing and reliable delivery, National Flues ensures secure online payments and outstanding customer service.
