DM44 - 440mm square x 300mm high access casing (59-130725)
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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
- High quality dual wall design for superior thermal performance
- Efficient 440mm square x 300mm high access casing with a 220mm internal diameter
- Built from natural pumice for excellent insulation
- Suitable for a wide range of heating appliances (wood, solid fuel, oil, and gas)
- HETAS approved and CE marked, ensuring top safety and reliability
- Designed for quick and easy 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 DM44 Isokern double module (DM) block system offers an efficient and high-quality solution for your chimney needs. With an outer casing size of 440mm square and a height of 300mm, this access casing maintains optimal flue gas temperatures while preventing heat transference to the outer casing. The dual wall design permits thermal movement, reducing the risk of cracking and consequent leaking or staining.
Constructed from pumice, a natural insulator, the DM44 ensures your chimney reaches and maintains optimal temperatures quickly, enhancing the performance of your heating appliance. Ideal for use with inserts, stoves, open fires, and cookers using wood, solid fuel, oil, or gas, this system is HETAS approved and CE marked, ensuring top quality and reliability.
SKU: 59-130725
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 | |
|---|---|
| SKU | 59-130725 |
| Dimensions | 440mm square x 300mm high (with 220mm internal diameter access) |
| Material | Pumice |
| Certification | HETAS approved, CE marked |
| Warranty | 10 Years |
| Distance To Combustibles | 0 on straights; 38mm on offsets on DM System |
| Fuel Compatibility | Wood, solid fuel, oil, gas |