DM54 - 300mm ID x 300mm high flue block (59-129033)
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Fast deliveryMonday, November 17th*
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Best PriceCall us to beat any price you found online.
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At a Glance
- Premium 300mm ID x 300mm high flue block from the Isokern DM range
- Crafted from natural pumice for superior thermal insulation
- Dual-wall design supports thermal movement and minimises cracking
- HETAS approved and CE marked for assured safety and quality
- Versatile compatibility with stoves, inserts, open fires, and cookers burning wood, oil, and gas
- Quick and straightforward assembly for time-efficient installation
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
- Details
- Specs
- Install/Packs
- FAQs
The DM54 300mm ID x 300mm high flue block, part of our premium Isokern DM range, is a top-of-the-line System Chimney designed with durability and performance in mind. Crafted from natural pumice, this dual-module system ensures optimal flue gas temperatures while mitigating exterior heat transfer. Its double wall construction effectively supports thermal movement, reducing cracking and leakage.
Ideal for stoves, inserts, open fires, and various cookers burning wood, solid fuel, oil, and gas (excluding condensing appliances). With rapid and straightforward assembly, it's a builder's favorite. The DM54 is available in three sizes for tailored installation: DM36, DM44, and DM54.
Trust in its HETAS approval and CE marking for safe, high-performance operation. Experience the superior insulating properties of pumice, ensuring quick heating and long-lasting warmth while minimising condensation and soot build-up.
SKU: 59-129033
Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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.
This is us — real advice over the phone, or at the counter, and real stock in our warehouse.
| Technical Specifications | |
|---|---|
| Model | DM54 |
| Internal Diameter | 300mm |
| Height | 300mm |
| Material | Natural Pumice |
| Construction | Double Wall |
| Certifications | HETAS approved, CE marked |
| Warranty | 10 Years |
| Suitable For | Stoves, inserts, open fires, cookers (excluding condensing appliances) |
| System Compatibility | Available in DM36, DM44, and DM54 sizes |
| Installation Clearance | 0mm on straights; 38mm on offsets in DM System |