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DM54 - 345mm ID x 150mm high starter flue block (59-129093)
National Flues proudly offers the DM54 starter flue block, a high-performance chimney component designed for fireplaces, stoves, and open fires. As an integral part of the Isokern DM chimney system, this robust unit, crafted from natural pumice, delivers exceptional insulation and safety. Ideal for wood, solid fuel, oil, and gas appliances, our starter flue block stands out in the market for its compliance with EN standards and its ability to enhance heating efficiency.
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£46.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
345mm internal diameter and 150mm height for optimal flue initiation
Constructed from natural, insulating pumice
Rapid temperature attainment for consistent performance
HETAS approved and CE marked for safety and quality
Versatile compatibility: supports wood, solid fuel, oil, and gas (non-condensing)
Reduces condensation and soot build-up
Easy installation for professionals and DIY enthusiasts
Backed by a 10-year warranty
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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 DM54 - 345mm ID x 150mm high starter flue block is an exceptional component in the Isokern DM chimney system. This double-module (DM) system is designed to maintain optimum flue gas temperatures while preventing heat transference to the outer casing, making it a high-quality system chimney. Featuring a pumice construction, known for its natural insulating properties, the DM54 flue block ensures rapid temperature attainment and consistent performance.
It keeps the chimney warm longer, aiding in reducing condensation and soot build-up. Available in three outer casing sizes - DM36, DM44, and DM54, this system is compatible with inserts, stoves, open fires, and cookers using wood, solid fuel, oil, or gas (excluding condensing appliances such as Biomass and Pellets). The system is HETAS approved and CE marked, ensuring safety and compliance with international standards.
Easy to install, the DM54 starter flue block is a reliable choice for both professionals and DIY enthusiasts.
SKU: 59-129093
Technical Specifications
Internal Diameter
345mm
Height
150mm
Material
Pumice
Warranty
10 Years
System Compatibility
DM36, DM44, DM54
Certifications
HETAS approved, CE marked
Use
For inserts, stoves, open fires, cookers (wood, solid fuel, oil, gas)
The DM54 starter flue block is engineered for straightforward installation. Follow the manufacturer’s guidelines closely: ensure correct clearances (0mm on straights and 38mm on offsets for the DM System when near combustibles) and secure the block in place to avoid any misalignment. It is essential that installation complies with local building regulations and HETAS recommendations. Whether you’re a professional installer or a dedicated DIY enthusiast, verify the component's proper placement within your Isokern DM chimney system to guarantee optimal performance and safety. Additionally, double-check all seals and connections for a secure fit to prevent heat loss and potential feedback into surrounding structures.
The DM54 starter flue block is used to initiate the flue system in a chimney, ensuring optimal performance and safety for a variety of heating appliances.
The DM54 is suitable for wood, solid fuel, oil, and gas appliances, but not for condensing appliances such as Biomass and Pellets.
Pumice is a natural insulator, allowing the chimney to quickly reach and maintain optimal temperatures, which aids in performance and reduces condensation and soot buildup.
Yes, the DM54 flue block is designed for simple and quick installation, making it suitable for both professionals and DIY enthusiasts.
The DM54 flue block is HETAS approved and CE marked, ensuring it meets high safety and quality standards.
The DM flue block range is available in three outer casing sizes: DM36, DM44, and DM54.
Yes, the DM54 flue block is compatible with open fires, as well as inserts, stoves, and cookers.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
If you need faster stove or fireplace delivery please give us a call.
We can often 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 DM54 - 345mm ID x 150mm high starter flue block buyers guide
Introducing the DM54 Starter Flue Block
The DM54 starter flue block is a pivotal component in ensuring that your chimney system operates with utmost efficiency and safety. Engineered to deliver rapid heat-up times with its unique 345mm internal diameter and 150mm high design, it utilises natural pumice to offer superior insulation. This means your chimney will maintain optimal temperatures, thus reducing condensation and soot build-up significantly. National Flues, a leader in chimneys and flue products, combines performance, reliability, and safety, making this product an essential addition to your heating setup.
Why Choose the DM54 Starter Flue Block?
Choosing the DM54 starter flue block means investing in quality, durability, and peace of mind. The product is HETAS approved and CE marked, which signifies adherence to rigorous safety and quality standards. This certification is vital as it ensures you are installing a product that not only meets but exceeds industry expectations. The 10-year warranty further reinforces the product’s longevity, offering you confidence in your investment. Moreover, being compatible with a variety of appliances such as stoves, open fires, and cookers, as well as working efficiently with wood, solid fuel, oil, and gas, the DM54 is a versatile solution that adapts to your specific heating needs.
Detailed Product Benefits
- Superior Insulation: The natural pumice construction of the DM54 enhances insulation, allowing your chimney to retain heat for longer periods while reducing energy loss. This helps in maintaining a steady flow of warm air and contributes to the overall efficiency of your heating system.
- Rapid Operation: Designed to quickly reach optimal operating temperatures, this starter flue block significantly improves the performance of your chimney system. By reducing the time required to achieve ideal temperatures, it ensures that your heating appliance starts up efficiently each time.
- Cost-Effective Performance: With its efficient design and superior engineering, the DM54 minimizes the potential for soot or condensation-related issues. This in turn reduces maintenance and potential repair costs, making it a cost-effective solution in the long run.
- Ease of Use: Whether you are a seasoned professional or engaging in a DIY project, the DM54’s straightforward installation process means you can have your chimney system up and running with minimal effort and disturbance. Clear installation guidelines further simplify the setup process.
Installation Tips and Safety Information
When installing the DM54 starter flue block, it is essential to adhere to the provided installation instructions to ensure maximum performance and safety. Always check that clearances are maintained, with no clearance required on straights and a minimum of 38mm on offsets when in proximity to combustibles. This safety measure is in place to prevent any risk of overheating or damage to nearby structures. Pay close attention to local building regulations and HETAS guidelines to avoid any compliance issues. Secure all fitting components properly, verifying that every junction is firmly in place. Regularly inspect the installation to ensure that it continues to operate as intended over time.
Overcoming Common Concerns
Many homeowners and professionals have concerns about the complexity of installing new chimney components. With the DM54 starter flue block, however, the process has been simplified. Its design is intentionally intuitive, reducing the potential for error even for those with moderate DIY experience. If you have questions about compatibility or installation, National Flues provides detailed technical support and comprehensive installation guidelines.
Additionally, potential concerns about durability are addressed by the robust construction and extended warranty offered with this product. With proper installation and routine inspection, the DM54 is built to perform consistently over many years. This reliability is what sets National Flues’s products apart from other market alternatives.
Final Thoughts
In summary, the DM54 starter flue block from National Flues is more than just a component – it is a critical part of your dedicated effort to maintain an efficient and safe heating system. With its excellent specifications, ease of installation, and versatility across various fuel types, it stands as an exceptional investment in your home’s warming comfort. The combination of performance, safety certifications, and long-term reliability offers a solution that simplifies the challenges of maintaining an effective chimney system.
For those looking to upgrade or install a new system, this guide should clarify why the DM54 is a smart choice. Whether you aim to improve energy efficiency, enhance safety, or reduce maintenance costs, the benefits are clear. National Flues is committed to providing products that deliver real value, backed by robust warranties and industry-leading certifications. Your journey to a more efficient chimney system starts here.
Buy now or call 01670 206 999.
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