Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

Firechests - 1200 Magnum Firechest With Damper (59-129767)

Discover the exceptional performance of the 1200 Magnum Firechest with Damper from Isokern, a leading name in chimney and fireplace solutions. Engineered from natural pumice, this firechest offers unrivalled insulation, efficiency, and ease of installation. Read more...
Now only £3,300.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • 1200mm wide fire opening capability
  • Integrated damper for enhanced airflow control
  • Crafted from high-quality pumice for superior insulation
  • HETAS Approved and CE marked for safety and performance
  • Flat pack design for easy and precise assembly
  • 10-year warranty ensuring long lasting reliability

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

The 1200 Magnum Firechest with Damper from the Isokern range is meticulously designed for optimal performance and ease of installation. Supplied as flat packs, these firechests are effortlessly constructed to form a precise and preformed fire opening, ready for finishing. The Magnum Firechest allows for creating fire openings up to 1.2 metres wide, making it ideal for various fireplace designs.Crafted from pumice, a natural insulator, this firechest stands out for its ability to swiftly bring flue gases to their optimal temperature, enhancing the performance of your heating appliance soon after ignition.

Pumice's superb insulating properties also mean the chimney retains heat longer, promoting efficiency and reducing the risk of condensation and soot accumulation.The Isokern Double Module (DM) system, including the 1200 Magnum Firechest, meets the highest industry standards. It is HETAS Approved and CE marked, ensuring compliance and safety. Our comprehensive installation guides make the setup process straightforward, ensuring you achieve the best results with minimal hassle.

SKU: 59-129767

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.

Technical Specifications
SKU59-129767
Model1200 Magnum Firechest With Damper
MaterialPumice
HETASApproved
CEMarked
Warranty10 Years
Maximum Fire Opening1.2 metres
DesignationsEN1858 - T450 N1 D 3 G(00), EN1857 - T600 N2 D 3 G
Installation FormatFlat pack for easy assembly
Distance To Combustibles0mm on straights; 38mm on offsets (DM System)
The 1200 Magnum Firechest is supplied as a flat pack alongside comprehensive installation guides designed to simplify setup. Prior to installation, carefully review all provided documentation to ensure compliance with local building regulations. Lay out all components and verify against the parts list. The preformed design means that assembling the fire opening is straightforward – simply follow step-by-step instructions and use the recommended tools. For best results, ensure the surface for installation is clean and free from combustible materials, adhering to the specified minimum distances. It is recommended to seek professional advice if uncertain about any aspect of the installation process. Always wear personal protective equipment and isolate the work area to ensure safety during installation.

The 1200 Magnum Firechest can accommodate fire openings up to 1.2 metres wide.

Pumice is a natural insulator, which helps quickly bring flue gases to the optimal temperature and retains heat longer, promoting efficiency and reducing condensation and soot build-up.

Yes, the 1200 Magnum Firechest is HETAS Approved and CE marked, ensuring it meets stringent safety and efficiency standards.

Yes, the 1200 Magnum Firechest is designed for easy installation with clear, comprehensive instructions provided in the installation guides.

Absolutely, National Flues provides reliable nationwide delivery for all our products, including the 1200 Magnum Firechest.

Yes, we cater to both retail and trade customers, offering trade accounts and secure online payments for a seamless purchase experience.

The damper helps control airflow, improving the efficiency and performance of your fireplace by managing the release of flue gases.

 

Call the Experts   8am-5pm
👀 8 people watching this