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Inspection Length 500mm Ø 150 (2-150-020)

National Flues presents the Inspection Length 500mm Ø 150, a premium chimney flue component engineered for reliability and safety. This high-quality TWPro twin wall insulated flue pipe, made from 304 and 316L stainless steel, is ideal for solid fuel, gas, and oil appliances. Read more...
Now only £152.99
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At a Glance

  • Built-in sweeping access door for easy maintenance
  • Constructed with durable 304/316L stainless steel
  • Insulated with high-density compressed rockwool (200kg/m³)
  • HETAS approved and CE marked for safety compliance
  • TWPro twin wall insulated design for superior performance
  • Suitable for wood, oil, gas, and low sulphur coal appliances
  • Quick and secure installation with a Locking Band
  • 50mm clearance to combustibles for enhanced safety

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

The Inspection Length 500mm Ø 150 is a versatile and highly durable chimney flue component designed for a variety of heating appliances. Crafted from 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, each with a thickness of 0.4mm, this product ensures longevity and reliability. The pipe is insulated with compressed rockwool to a density of 200kg/m³, maintaining optimum safety with a required distance of 50mm from combustibles.

Fully approved by HETAS and bearing the CE mark, this product meets the highest standards of safety and efficiency. The TWPro Twin Wall Insulated Chimney system is easy to install, connecting parts securely with a Locking Band. Whether used for woodstoves, gas coal effect fires, or oil and gas boilers, this inspection length pipe provides enhanced sweeping access with a built-in locking door.

SKU: 2-150-020

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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.

Technical Specifications
SKU2-150-020
DesignationEN1856-1 T600 N1 W V2 L50040 G50
SystemTWPro
Inner Material316L Stainless Steel (0.40mm)
Outer Material304 Stainless Steel (0.40mm)
InsulationCompressed Rockwool (200kg/m³)
ApprovalsHETAS / CE
Operating TemperatureUp to T600
Sweeping AccessBuilt-in locking door
Clearance50mm from combustibles
Inspection Length500mm
Pipe DiameterØ 150
• Ensure a minimum clearance of 50mm between the flue and any combustible materials before installation. • Carefully secure all components using the provided Locking Band to prevent accidental disconnection. • Follow the TWPro system guidelines for proper alignment and coupling of the twin wall insulated sections. • Check all connections for integrity and ensure the built-in sweeping door operates smoothly post-installation. • Always adhere to manufacturer specifications and local building regulations during installation to maintain safety standards.

Yes, the Inspection Length 500mm Ø 150 is suitable for use with wood-burning stoves, as well as gas and oil appliances.

The outer skin is made from 304 grade stainless steel, while the inner skin is made from 316 grade stainless steel. Both are 0.4mm thick, with insulation made of compressed rockwool.

Yes, the TWPro system, including this Inspection Length pipe, is fully HETAS approved and CE marked.

A minimum distance of 50mm from the outside of the flue to any combustible materials is required.

Installation is simple, with parts being secured together using a Locking Band. Ensure the recommended distance from combustibles is maintained.

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

Yes, this product is suitable for high-temperature applications up to T600, making it ideal for various solid fuel appliances.

 

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