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DM36 - 150mm ID x 150mm high offset block (59-126378)
Discover the Isokern DM36 150mm ID x 150mm high offset block, a premium chimney accessory designed for superior thermal performance and safety. Ideal for wood, oil, and gas heating systems in the UK, this block delivers innovative performance with natural pumice insulation. Enhance your installation with a reliable and efficient chimney solution, tailored for optimal heating in both residential and commercial settings.
Out of Stock – Pre-order Now
£143.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
High-quality DM system block (EN1858 - T450 N1 D 3 G(00)) Superior thermal performance from natural pumice Rapid appliance heating and sustained warmth HETAS approved and CE marked for robust safety Offset design ensures optimal clearance from combustibles
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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.
The DM36 150mm ID x 150mm high offset block from Isokern is part of their high-quality DM (Double Module) block system. This sophisticated chimney system effectively maintains flue gas temperatures while minimizing heat transfer to the outer casing. The clever separation of inner and outer components accommodates thermal movement, significantly reducing cracking risks.
Constructed from naturally insulating pumice, the DM36 ensures rapid heating of your appliance and sustained warmth, enhancing its performance and reducing condensation and soot build-up. Available in outer casing sizes DM36, DM44, and DM54, it is versatile for various heating applications, including stoves, open fires, inserts, and cookers burning wood, solid fuel, oil, or gas (excluding condensing appliances like Biomass and Pellets). HETAS approved and CE marked, the DM36 stands as a testament to high safety and quality standards.
SKU: 59-126378
Technical Specifications
Dimensions
150mm ID x 150mm high offset block; 360 x 435 offset (86mm, 30u00b0)
Material
Pumice
Insulation
Excellent thermal insulation properties ensuring rapid heat-up and sustained warmth
Designations
DM System: EN1858 - T450 N1 D 3 G(00); Liner System: EN1857 - T600 N2 D 3 G
Safety Approvals
HETAS approved and CE marked
Compatibility
Suitable for wood, solid fuel, oil, and gas (non-condensing appliances)
Warranty
10 Years
Installation Instructions:
- Ensure the block is installed with a clearance of 0mm on straights and 38mm on offsets from combustibles.
- Follow the specific manufacturer guidelines for secure and compliant placement.
- Use appropriate chimney accessories to align the system properly.
Warning: Always have your installation inspected and approved by a certified professional to comply with local building regulations.
The primary benefit is its ability to maintain high flue gas temperatures, which enhances your appliance’s performance and reduces condensation and soot build-up.
The DM36 is compatible with wood, solid fuel, oil, and gas appliances, excluding condensing appliances such as Biomass and Pellets.
Yes, the DM36 is designed for straightforward and quick installation, making it a favorite among installers.
The DM36 is HETAS approved and CE marked, ensuring it meets high safety and quality standards.
Pumice is a natural insulator, which helps the flue gases reach optimal temperatures quickly and retains heat longer, improving appliance efficiency and reducing condensation risk.
Yes, National Flues caters to both retail and trade customers, offering unbeatable prices and secure online payments with reliable nationwide delivery.
The offset design helps in navigating around architectural obstacles, allowing greater flexibility in chimney placement while maintaining optimal safety distances from combustibles.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Monday, May 19th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call.
If you need faster stove or fireplace delivery please also 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. Mi-Flex offers a lifetime guarantee.
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.
Read our review in our DM36 - 150mm ID x 150mm high offset block buyers guide
Comprehensive Buyers Guide for the DM36 150mm ID x 150mm High Offset Block
When selecting the correct chimney system component for your heating appliance, attention to detail, quality, and compliance with safety standards are paramount. The Isokern DM36 is engineered to offer superior thermal performance and exceptional reliability, making it one of the most trusted choices available for modern heating installations.
Understanding the DM36's Unique Benefits
The DM36 high offset block is a part of the innovative DM (Double Module) block system. Constructed from naturally insulating pumice, this block is designed to maintain high flue gas temperatures, ensuring that your appliance heats up quickly and operates efficiently. One of the significant advantages is its ability to reduce condensation and soot build-up, which can extend the lifespan of your heating system while keeping it safe and clean.
Key Benefits Include:
- Rapid Heating: The natural insulating properties of pumice allow for a quick response from your heating appliance, reducing energy waste.
- Enhanced Safety Measures: With a design that maintains a critical distance from combustibles, the DM36 minimises the risk of fire hazards, thus ensuring peace of mind.
- Durable Construction: Backed by a 10-year warranty, the DM36 is built to endure the rigours of everyday use under various heating conditions.
Technical Excellence and Compliance
The DM36 is HETAS approved and CE marked, confirming its adherence to stringent safety and quality standards. This ensures that whether you are installing a new system or upgrading an existing one, you can trust that the materials and design meet or exceed industry norms. Its compatibility with wood, solid fuel, oil, and gas appliances (except condensing types such as Biomass and Pellets) makes it highly versatile for different settings.
Addressing Common Objections
Installation Concerns:
Many installers and homeowners worry about the complexity of chimney system installations. However, the DM36 is engineered for straightforward, quick installation. The offset design is specifically crafted for effective alignment around architectural obstacles, ensuring that anyone with professional experience can integrate it into a broader chimney system with ease.
Longevity and Cost:
Investing in a high-quality chimney component like the DM36 means prioritising long-term performance over short-term savings. With its robust construction and 10-year warranty, the DM36 offers not only immediate efficiency improvements but also long-lasting reliability. The slight premium in price is quickly offset by its performance benefits and reduced maintenance costs over time.
Aesthetic and Functional Compatibility:
Some customers are concerned about matching new components with existing systems. The DM36 is not only functional but also designed to integrate seamlessly with various external casing sizes (including DM36, DM44, and DM54). This ensures that the overall look and performance of your chimney installation remain uncompromised.
Practical Tips for Installation and Maintenance
- Plan Ahead: Before installation, ensure that all components and accessories, such as additional chimney blocks or flue liners, are on hand. This avoids delays and ensures a smoother installation process.
- Professional Guidance: It is advisable to consult with a certified installer who can provide insights tailored to your specific setup. Their expertise will ensure that all local building regulations are met and that the installation is both safe and optimal.
- Regular Maintenance: Once installed, schedule regular maintenance checks to verify that the chimney system remains in perfect working order. This includes inspecting for any signs of degradation or misalignment.
Complementary Accessories
To maximise the benefits of the DM36, consider exploring our range of optional accessories. Items such as additional insulation kits, chimney liners, and specialised flue components can further enhance the performance and safety of your overall installation. These accessories are designed to work harmoniously with the DM36, providing a fully integrated solution for modern heating needs.
Final Thoughts
Choosing the right chimney component is a critical decision that impacts the efficiency, safety, and longevity of your heating system. With its high performance, ease of installation, and robust safety credentials, the Isokern DM36 150mm ID x 150mm high offset block represents an investment in quality and reliability. Whether you are a trade professional or a retail customer, this block delivers a competitive edge that keeps your system running at its best, season after season.
In summary, the DM36 offers superior insulation, a smart offset design, and industry-leading safety approvals, ensuring that your heating appliance operates efficiently while minimising risks. Its easy integration with other accessories and compatibility with various systems means that upgrading your chimney installation has never been easier.
To finalise your purchase, simply add to cart or call 01670 206 999.
Purchase the DM36 now for a reliable, efficient chimney solution.
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