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TWPro MB - Adjustable Pipe 250-350mm - Ø 125 (37-125-016)

National Flues presents the TWPro MB Adjustable Pipe, an essential component for solid fuel, gas, and oil appliances. This versatile stainless steel chimney pipe, engineered from premium 316L and 304 materials and featuring robust insulation, is perfectly suited for woodstoves, gas boilers, oil boilers, and more. Its superior construction, backed by HETAS approval and CE marking, guarantees both safety and performance.
The price you pay today £90.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Adjustable length from 250-350mm for versatile installations
    Constructed with premium 316L and 304 stainless steel
    Insulated with high-density compressed rockwool (200kg/m³)
    HETAS Approved and CE marked for guaranteed safety
    Includes a FREE locking band for easy assembly
    Suitable for wood, oil, gas, and low sulphur coal appliances
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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]

The TWPro MB Adjustable Pipe (250-350mm, Ø 125) is a versatile and essential component for solid fuel and gas/oil appliances, including woodstoves, gas coal-effect fires, oil boilers, and gas boilers. It features an outer skin crafted from 304 stainless steel with a 0.4mm thickness, finished in a high-temperature black coating, and an inner skin made from 316 grade stainless steel. The pipe is insulated with compressed rockwool, offering a density of 200kg/m³, ensuring supreme durability and safety.

Fully welded parts and a HETAS approval, along with a CE mark, guarantee quality and compliance. Installation is straightforward, utilising a locking band to secure the twin-wall insulated chimney parts together. Maintain a safe distance of 50mm from any combustible materials like wood or plasterboard, as indicated in the designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

SKU: 37-125-016

Technical Specifications
SKU37-125-016
Dimensions250-350mm adjustable length, u00d8 125mm
Outer Material304 Stainless Steel (0.40mm, high temperature black coated)
Inner Material316L Stainless Steel (0.40mm)
InsulationCompressed Rockwool (200kg/mu00b3)
ApprovalsHETAS Approved, CE Marked
Clearance50mm from combustibles
FuelsWood, Oil, Gas, Low sulphur coal
DesignationsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20
IncludesFREE Locking Band
• Ensure a minimum distance of 50mm between the pipe and any combustible materials such as wood or plasterboard. • Follow the manufacturer’s guidelines when attaching the locking band to secure all components. • Use the provided insulation to completely fill the gap between pipe sections, ensuring optimal thermal efficiency and safety. • Adhere to local building regulations and standards during installation. • If uncertain about any steps, always consult a professional installer for advice.

It is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel with a 0.4mm thickness, while the inner skin is constructed from 316 grade stainless steel, also 0.4mm thick.

The pipe is insulated with compressed rockwool, boasting a density of 200kg/m³.

The parts are secured together using a Locking Band, which is supplied with the product.

Yes, the TWPro MB Adjustable Pipe is HETAS Approved and CE marked.

Ensure a distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard.

The designations are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

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