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TWPro GREY - Pipe 250mm - Ø 125 (17-125-012)

The TWPro GREY Pipe 250mm - Ø 125 is a leading quality chimney flue pipe from TWPro, designed for efficient and safe operation with solid fuel, oil, and gas appliances. As a trusted brand in the chimney industry, TWPro has developed a superior flue pipe that offers both durability and performance. Read more...
TWPro GREY - Pipe 250mm - Ø 125
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Now only £253.99
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At a Glance

  • Premium 250mm flue pipe designed for multiple fuel types
  • Dual-layer construction with 304-grade outer and 316-grade inner stainless steel (0.4mm thick each)
  • High-density compressed rockwool insulation for optimal thermal performance
  • HETAS Approved and CE marked for safety and quality assurance
  • Engineered for both residential and commercial applications

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.
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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

The TWPro GREY - Pipe 250mm - Ø 125 is designed for exceptional performance in both residential and commercial settings. Ideal for use with solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and boilers, this flue pipe ensures efficient and safe operation. Its construction features an outer skin made from 304-grade stainless steel and an inner skin from highly durable 316-grade stainless steel, both with a thickness of 0.4mm.

The insulation, made from compressed rockwool with a density of 200kg/m3, ensures optimal thermal protection. All parts are fully welded to guarantee strength and longevity. TWPro products are HETAS Approved and CE marked, ensuring compliance with industry standards.

The designated numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 affirm its capability to handle high temperatures and a variety of fuel types safely. Installation is straightforward, with parts secured by a Locking Band, and maintaining a 50mm distance from combustibles is essential for safe operation.

SKU: 17-125-012

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

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Technical Specifications
Product NameTWPro GREY - Pipe 250mm - Ø 125
Diameter125mm
Effective Installed Length215mm
Inner Material316L Stainless Steel (0.4mm thick)
Outer Material304 Stainless Steel (0.4mm thick)
InsulationCompressed Rockwool (200kg/m3 density)
ApprovalsHETAS Approved, CE Marked
CertificationEN1856-1 T600 N1 W V2 L50040 G50 & EN1856-1 T200 W V2 L50040 O20
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
Installation RequirementMaintain a minimum 50mm distance from combustible materials
• Ensure each chimney part is securely connected using the Locking Band system to maintain stability • Always maintain a minimum distance of 50mm from any combustible materials to ensure safety • Follow the manufacturer’s instructions closely during assembly and installation to guarantee optimal performance • It is advisable to have a professional installation, particularly for complex chimney systems, to comply with local safety regulations

The TWPro GREY pipe is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances.

The TWPro GREY pipe features an outer skin made from 304-grade stainless steel and an inner skin from 316-grade stainless steel, both with a thickness of 0.4mm.

The insulation is made from compressed rockwool with a density of 200kg/m3.

Installation is straightforward as the TWPro twin wall insulated chimney parts are secured together using a Locking Band. Ensure a 50mm distance from any combustible materials for safe operation.

Yes, the TWPro GREY pipe is HETAS Approved and CE marked, ensuring compliance with industry standards.

You need to maintain a distance of at least 50mm from the outside of the flue to any combustible material such as wood or plasterboard.

The certification designations include EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, indicating it meets high-temperature standards and is suitable for various fuel types.

 

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