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DM36 - 150mm ID x 500mm high access flue block (59-126368)

National Flues proudly presents the DM36 - 150mm ID x 500mm high access flue block, an essential component of the Isokern DM system. Engineered from premium pumice for outstanding insulation, this flue block is perfect for homeowners and professionals who demand high efficiency in their chimney systems. Read more...
DM36 - 150mm ID x 500mm high access flue block
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Now only £80.99
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At a Glance

  • Durable double wall construction
  • High-performance pumice insulation
  • Designed for excellent heat retention
  • 150mm inner diameter and 500mm height
  • 177mm access hole for ease of maintenance
  • HETAS approved and CE marked for 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.

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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:

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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).

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The DM36 - 150mm ID x 500mm high access flue block is an exceptional component of the Isokern DM block system. This high-quality system chimney features a double wall construction that cleverly maintains flue gas temperatures while preventing heat transfer to the outer casing. Thanks to its innovative design, which separates the inner and outer components, the DM36 allows for thermal movement, significantly reducing the risks of cracking, leaks, and stains.Constructed from pumice, a natural insulator, the DM36 has unique properties that enable quick attainment of optimum flue gas temperatures, enhancing the performance of heating appliances like inserts, stoves, open fires, and cookers using wood, solid fuel, oil, or gas (excluding condensing appliances such as Biomass and Pellets).

Pumice's insulating abilities also keep the chimney warmer for longer, aiding consistent performance and reducing condensation and soot build-up.The Isokern DM system is HETAS approved and CE marked, boasting a designation number: T450 N1 D 3 G(00). The DM system is available in three outer casing sizes—DM36, DM44, and DM54—providing flexible solutions for various installations. For detailed installation instructions, please refer to our comprehensive guides.

SKU: 59-126368

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
Inner Diameter150mm
Outer Dimensions255 x 255mm
Access Hole177mm ID
Height500mm
MaterialPumice
Warranty10 Years
DesignationsEN1858 - T450 N1 D 3 G(00) (DM System), EN1857 - T600 N2 D 3 G (Liner System)
Distance To Combustibles0mm on straights; 38mm on offsets (DM System)
CertificationsHETAS approved, CE marked
Before installation, please consult the comprehensive installation guide provided with your DM system. Ensure that the flue block is installed on a suitable surface with adequate clearance as per the manufacturer's recommendations. Follow these key steps: 1. Verify the dimensions and clearance requirements; 2. Secure the DM36 access flue block in position ensuring proper alignment with the chimney system; 3. Use recommended fixings and sealants to prevent movement and potential leakage; 4. Conduct a thorough inspection post-installation for any gaps or misalignments; 5. Regularly schedule maintenance checks in line with safety guidelines. Warning: Do not attempt modifications without professional assistance. Always adhere to local building regulations and safety standards.

The DM36 access flue block is used in the construction of chimney systems to maintain flue gas temperatures and prevent heat transfer, ensuring efficient operation of heating appliances.

The DM36 is suitable for use with inserts, stoves, open fires, and cookers burning wood, solid fuel, oil, or gas. It is not suitable for condensing appliances including Biomass and Pellets.

Pumice is a natural insulator which helps quickly reach optimum flue gas temperatures, enhancing the performance of the heating appliance. It also maintains chimney warmth, reducing condensation and soot build-up.

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

The DM36 access flue block has an inner diameter of 150mm, an outer dimension of 255×255mm, and a height of 500mm with a 177mm ID access hole.

The double wall system helps maintain the flue gas temperatures while preventing heat transfer to the outer casing. This design also allows for thermal movement, reducing the risk of cracks, leaks, and stains.

Installation instructions for the DM36 can be found in our comprehensive guides, which provide detailed steps and considerations for a successful installation.

 

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