DM44 - 440mm square x 300mm high access casing
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: [email protected]
- Info
- Specs
- Install
- 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
| 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 |
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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National Flues Ltd Verdict
The DM44 access casing is an exceptional choice for any chimney flue system. Its dual wall design ensures reliability and safety, making it perfect for various heating appliances. With nationwide delivery and competitive pricing, National Flues is your go-to supplier for quality chimney solutions.
The DM44 access casing is designed to maintain optimal flue gas temperatures, prevent heat transference to outer casings, and ensure safe and efficient chimney operation for various heating appliances.
National Flues is a leading supplier of fireplaces and flues across the UK, known for their competitive pricing, reliable delivery, and excellent customer service for both retail and trade customers.
