Firechests - Standard firechest (ID 690w x 660h)
At a Glance
- Preformed fire opening design
- Constructed from high-quality pumice for superior insulation
- Flat-packed for efficient installation
- HETAS approved and CE marked for safety
- Detailed installation instructions included
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 Isokern Standard Firechest offers an exceptional solution for creating preformed fire openings with ease. Measuring 660mm in height and 690mm in width, this firechest arrives flat-packed for straightforward and efficient construction. Crafted from pumice, a natural insulator, it quickly achieves optimal flue gas temperatures, improving the performance of your heating appliance shortly after lighting.
This unique material maintains chimney warmth longer, reducing condensation and soot build-up.The Magnum Firechest variant allows for expansive openings up to 1.2m wide, offering versatile design possibilities. Approved by HETAS and CE marked, the Isokern DM system ensures safety and efficiency. Detailed installation instructions are provided to guide you through the setup process effortlessly.
SKU: 59-130820
| Technical Specifications | |
|---|---|
| Dimensions | 660mm Height x 690mm Width |
| Material | Pumice |
| Certifications | HETAS Approved, CE Marked |
| System Designation (DM) | EN1858 - T450 N1 D 3 G(00) |
| System Designation (Liner) | EN1857 - T600 N2 D 3 G |
| Warranty | 10 Years |
| Installation Type | Flat Pack with Detailed Instructions |
| Clearance To Combustibles | 0 on straights; 38mm on offsets on DM System |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Isokern Standard Firechest is a top-tier choice for both trade and retail customers. With its easy installation and remarkable insulating properties, it’s a reliable solution for any fireplace project. We deliver nationwide and are rarely beaten on price.
The Isokern Standard Firechest is designed to create neat and preformed fire openings for open fireplaces, ensuring high performance and easy installation.
Isokern is renowned for its innovative fireplace solutions, utilising the natural insulating properties of pumice to enhance the performance and efficiency of heating appliances.
