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DM36 - 150mm ID x 250mm high flue block (59-126369)

The DM36 - 150mm ID x 250mm high flue block by National Flues is a superior chimney solution. Part of the renowned Isokern DM block system, this product combines natural pumice with cutting-edge design to deliver exceptional thermal insulation and ef Read more...
Now only £31.99
Give us a call if you find it cheaper and we'll normally price match.
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We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, November 5th. 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.

At a Glance

  • Maintains optimal flue gas temperatures with effective insulation
  • Constructed from natural pumice for durability and efficiency
  • HETAS approved and CE marked for guaranteed safety
  • Versatile design suitable for wood, oil, gas, and solid fuels
  • Quick and straightforward installation with comprehensive guides

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 DM36 - 150mm ID x 250mm high flue block is part of the renowned Isokern DM block system, a high-quality solution for your chimney needs. This double-module system excels in maintaining optimal flue gas temperatures while preventing heat transfer to the outer casing, making it a superior choice for longevity and efficiency. Constructed with natural pumice, a unique insulator, the DM36 ensures that the flue gases quickly reach and maintain optimal temperatures, enhancing the performance of your heating appliance.

This property also reduces the risk of condensation and soot build-up, providing a cleaner and more efficient operation. The DM36 is versatile, suitable for use with inserts, stoves, open fires, and cookers burning wood, solid fuel, oil, or gas, excluding condensing appliances like Biomass and Pellets. Adhering to the highest industry standards, the Isokern DM is HETAS approved and CE marked, guaranteeing quality and safety.

Installation is straightforward, supported by comprehensive guides.

SKU: 59-126369

Technical Specifications
SKU59-126369
Designation DM SystemEN1858 - T450 N1 D 3 G(00)
Designation Liner SystemEN1857 - T600 N2 D 3 G
Warranty10 Years
MaterialNatural Pumice
Dimensions150mm ID x 250mm high
Distance To Combustibles0 on straights; 38mm on offsets on DM System
Installation is designed for simplicity. Use the detailed, step-by-step guide provided with the product to secure the flue block within your chimney casing. Always maintain the recommended distances: 0mm on straight runs and a minimum of 38mm on offsets. Ensure all measurements are verified before proceeding, and consider engaging a certified professional to guarantee safety compliance and optimal performance.

The main advantage is its ability to maintain optimal flue gas temperatures and prevent heat transfer, which improves the overall performance and safety of your chimney system.

The DM36 flue block is suitable for wood, solid fuel, oil, and gas, but is not recommended for condensing appliances, including Biomass and Pellets.

Pumice is a natural insulator allowing the chimney to maintain higher temperatures longer, reducing condensation and soot build-up while improving the overall efficiency of the heating appliance.

Yes, the DM36 flue block is HETAS approved and CE marked, ensuring it meets high safety and quality standards.

The Isokern DM block system is available in three outer casing sizes: DM36, DM44, and DM54.

The DM36 flue block is designed for simple and quick installation, with comprehensive guides available to assist in the process.

Yes, the DM36 flue block is suitable for a variety of applications, including residential and commercial settings, providing efficient and reliable performance.

 

What our experts say!

"The DM36 - 150mm ID x 250mm high flue block is a premium choice for your chimney needs. Reliable, efficient, and easy to install, it’s a top pick for both retail and trade customers. With nationwide delivery and competitive pricing, National Flues is your go-to supplier."

The DM36 - 150mm ID x 250mm high flue block is used to create a robust inner liner within the chimney casing, ensuring optimal thermal insulation and efficiency.

Isokern is renowned for its high-quality chimney systems, utilizing the natural insulating properties of pumice to enhance performance and safety.

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