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DM54 - 545mm square casing x 300mm high
National Flues proudly presents the DM54 545mm Square Casing x 300mm High, a premium chimney solution designed for optimal thermal performance and safety. Engineered using natural pumice and a robust double-wall system, this product is an ideal choice for homeowners and professionals alike. Whether ... More...
National Flues proudly presents the DM54 545mm Square Casing x 300mm High, a premium chimney solution designed for optimal thermal performance and safety. Engineered using natural pumice and a robust double-wall system, this product is an ideal choice for homeowners and professionals alike. Whether you are outfitting a wood stove, solid fuel appliance, or oil and gas system, the DM54 ensures reliable insulation and efficiency. As a trusted provider of high-quality flue systems, National Flues delivers products that combine innovative design with industry-approved safety standards, making this DM54 a standout option in modern chimney systems. Less...
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At a Glance
Durable natural pumice construction
Double-wall design for superior thermal insulation
Versatile compatibility with wood, solid fuel, oil and gas appliances
HETAS approved and CE marked for proven safety standards
Quick warm-up and sustained performance to reduce condensation and soot build-up
Now only
£78.99
Including VAT
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
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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 545mm Square Casing x 300mm High is a part of the Isokern DM block system, a premium choice for System Chimneys. This double module (DM) system is designed to ensure efficient and safe performance. The double wall construction keeps flue gas temperatures stable while preventing heat transfer to the outer casing, which helps avert cracking and leaks.
Built from natural pumice, an excellent insulator, this chimney system heats up quickly and retains warmth effectively, minimizing condensation and soot build-up. The DM54 is available in three sizes – DM36, DM44, and DM54, and is compatible with wood, solid fuel, oil, and gas (excluding condensing appliances like Biomass & Pellets). Approved by HETAS and CE marked, the DM54 offers reliable, high-performance chimney solutions.
For installation, please refer to our detailed guides.
SKU: 59-130708
Technical Specifications
Dimensions
545mm square casing x 300mm high
Material
Natural Pumice
Approval
HETAS approved, CE marked
System
Double Module (DM54) of Isokern DM System
Fuel Compatibility
Wood, Solid Fuel, Oil, Gas (excluding condensing appliances)
Warranty
10 Years
Heat Designation
T450 N1 D 3 G(00)
Product Code
59-130708
• Ensure you follow the comprehensive installation guides provided for secure mounting and compliance.
• Professional installation is recommended to guarantee the best setup and adherence to local building regulations.
• Observe required clearance distances: 0mm on straights and 38mm on offsets as applicable.
• Check for any specific manufacturer or local safety instructions before beginning installation.
• Regular maintenance checks are advised to maintain optimal performance and safety.
The DM block system is available in three sizes: DM36, DM44, and DM54.
The DM54 is suitable for use with inserts, stoves, open fires, and cookers burning wood, solid fuel, oil, or gas. However, it is not suitable for condensing appliances, including Biomass and Pellets.
Pumice is a natural insulator, which helps the flue gases reach their optimum temperature quickly and keeps the chimney warmer for longer. This reduces condensation and soot build-up, improving overall appliance performance.
Yes, the DM54 is HETAS approved and also CE marked, ensuring it meets high safety and performance standards.
The designation number for the Double Module DM System Chimney is T450 N1 D 3 G(00).
For best results and safety, it is recommended to follow the provided installation guides or seek professional installation services.
Yes, National Flues provides reliable nationwide delivery for all our products, including the DM54.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Friday, April 4th.
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. If you find it cheaper within 48 hours, we'll refund the difference.
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Read our buyers guide for this DM54 - 545mm square casing x 300mm high
Comprehensive Buyers Guide for the DM54 545mm Square Casing x 300mm High
Welcome to our comprehensive guide on the DM54 545mm Square Casing x 300mm High from National Flues. This guide is designed for both trade professionals and homeowners seeking a reliable, high-performance chimney solution that combines efficiency, safety, and durability.
Introduction and Overview
The DM54 is a part of the esteemed Isokern DM block system, well-known for its double-wall construction and thermal efficiency. This product is constructed from natural pumice, a material selected for its outstanding insulating properties that enable rapid heat absorption and retention. The DM54 caters to a broad spectrum of heating appliances, including wood stoves, solid fuel boilers, oil-fired units, and gas systems (excluding condensing appliances). Whether you are upgrading your current flue system or installing a new one, this product guarantees robust performance, longevity, and ease of maintenance.
Key Features and Advantages
Durability and Materials: The DM54’s construction from natural pumice ensures durability and resilience against thermal stresses. The pumice material not only accelerates heat-up times but also maintains optimal temperatures within the flue, significantly reducing the risk of condensation and consequent soot build-up.
Double-Wall Technology: The double-wall design is a standout feature that provides dual benefits. Firstly, it effectively insulates the flue gases in transit, keeping them at a high temperature to promote efficient combustion. Secondly, it protects the external casing and nearby combustible materials by minimising dangerous heat transfer. This advanced design is a primary reason why the DM54 has earned both HETAS approval and CE marking, underscoring its reliability and adherence to high safety standards.
Versatility in Fuel Compatibility: One of the most compelling aspects of this product is its compatibility with various fuel types. Whether your heating system is powered by wood, solid fuel, oil, or gas, the DM54 performs reliably. The product is designed to adapt to different environments and heating demands, ensuring that you get the best out of every setup. However, note that it is not compatible with condensing appliances such as biomass and pellets, so check your appliance specifications before purchase.
Installation and Compliance
Easy-to-Follow Installation: National Flues provides detailed installation guides with the DM54 to facilitate a smooth and secure setup. For optimal results and safety, we recommend that the installation be carried out by a qualified professional. It's important to ensure that all clearance requirements are met; specifically, a clearance of 0mm on straights and 38mm on offsets must be maintained to adhere to safety regulations.
Observance of Standards: The product complies with rigorous industry standards, thanks to its HETAS approval and CE marking. These certifications not only validate the product’s performance but also affirm its safety credentials. As you plan your installation, always refer to the manufacturer’s guidelines and local building regulations. Safety should always come first, and proper installation is key to maximising the product's benefits.
Understanding the Value Proposition
Investing in the DM54 545mm Square Casing x 300mm High means investing in safety, efficiency, and longevity. The premium materials, innovative double-wall design, and certified performance ensure that you are making a sound, long-term decision. The product’s superior insulation properties reduce energy waste, potentially lowering your heating costs over time. Additionally, by minimising condensation and soot build-up, the maintenance requirements are kept to a minimum, allowing you to enjoy a hassle-free experience.
Addressing Common Concerns and FAQs
Q: Is the DM54 compatible with my existing heating appliance?
A: The DM54 is highly versatile and compatible with a range of heating solutions including wood, oil, gas, and solid fuel appliances. However, it is not suitable for condensing appliances such as biomass or pellets, so please verify compatibility before making a purchase.
Q: Do I need professional installation?
A: For optimal performance and adherence to safety regulations, it is strongly recommended that you employ a qualified professional to handle the installation. Following the provided guidelines will ensure you meet all necessary clearance and safety requirements.
Q: How does the DM54 help in energy efficiency?
A: The use of natural pumice and its double-wall design ensures rapid heat-up and maintains a high temperature within the flue. This efficient heat retention minimises energy losses and reduces the occurrence of condensation, contributing to lower overall energy costs.
Why Choose National Flues?
National Flues is a leader in the industry, providing reliable and innovative solutions for chimney and flue systems. With competitive pricing, exceptional customer service, and a commitment to quality, National Flues is your ideal partner whether you are a professional or a DIY enthusiast. Our products are routinely tested to meet strict safety standards, and our expert advice and support ensure that you always make an informed decision.
Final Thoughts
The DM54 545mm Square Casing x 300mm High stands out as a high-performing, safe, and efficient chimney solution. Its robust design, adherence to stringent certifications, and versatility make it a compelling choice in the marketplace. If you are looking for a product that offers long-term value with minimal maintenance concerns, the DM54 from National Flues is the ideal option. Its combination of innovative design and proven performance ensures that you are investing in a product that will deliver dependable service for years to come.
Buy now or call 01670 206 999.
National Flues Ltd Verdict
The DM54 545mm Square Casing x 300mm High is a top-notch choice for your chimney needs. It combines durability, efficiency, and reliable performance, making it ideal for a wide range of heating applications. At National Flues, we proudly supply this quality product nationwide, catering to both retail and trade customers. Our secure online payment system and reliable delivery service ensure a hassle-free experience for all.
The DM54 545mm Square Casing x 300mm High is designed for use in chimney systems to provide efficient and safe flue gas passage, suitable for a variety of heating appliances.
National Flues is a trusted supplier of fireplaces and flues, serving both retail and trade customers across the UK. Known for our competitive pricing, reliable delivery, and secure online payment system, we strive to provide high-quality products and exceptional service.
Secure this premium DM54 now for optimal performance and peace of mind.
