DM54 - 545mm square casing x 300mm high (59-130708)
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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
- 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
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 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
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 | |
|---|---|
| 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 |