DM36 - 150mm ID 360mm sq. DM support block (59-130716)
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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
- 150mm ID and 360mm square outer dimensions for versatile use
- Constructed from natural insulating pumice
- Double wall design optimises heat retention and minimises condensation
- Quick and simple installation with a 100mm high lower spigot for Adaptor connection
- HETAS approved and CE marked, ensuring safety and quality
- Compatible with wood-burning stoves, open fires, cookers, and various solid fuel, oil, or gas appliances
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 DM36 - 150mm ID 360mm square DM support block is a component of the Isokern DM (Double Module) block system, renowned for its superior quality and efficient design. This high-performance chimney solution maintains optimal flue gas temperatures while preventing heat transference to the outer casing, thanks to its double wall structure. The unique separation of the inner and outer components accommodates thermal movement, significantly reducing the risks of cracking, leaks, or stains.
This robust system is not only simple and quick to install but also versatile, available in three outer casing sizes: DM36, DM44, and DM54. Ideal for use with a range of appliances including stoves, open fires, cookers, and inserts burning wood, solid fuel, oil, or gas (excluding condensing appliances like Biomass & Pellets). Constructed from natural insulating pumice, the DM36 ensures rapid achievement of optimal flue gas temperatures, enhancing the performance of your heating appliance.
Its heat retention properties further minimise condensation and soot build-up, providing a cleaner, safer chimney. The Isokern DM system is HETAS approved and CE marked, bearing the designation number T450 N1 D 3 G(00) and is an excellent choice for reliable and long-lasting installation.
SKU: 59-130716
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 | |
|---|---|
| Inner Diameter | 150mm |
| Outer Dimension | 360mm square |
| Height | 100mm |
| Lower Spigot | 100mm high for Adaptor connection |
| Material | Natural Pumice |
| Designation DM System | EN1858 - T450 N1 D 3 G(00) |
| Designation Liner System | EN1857 - T600 N2 D 3 G |
| Warranty | 10 Years |
| Distance To Combustibles | 0 on straights; 38mm on offsets on DM System |