Large Tinderbox on Log Box, 5kW, ECODesign with internal full height kit (137-LLG-TBOX-inside)
What it’s for
Full features & benefits
- High-Efficiency Heating: Provides consistent warmth while consuming less fuel, cutting running costs.
- EcoDesign Certification: Ensures lower CO emissions and higher energy efficiency, aligned with modern eco-standards.
- Internal Full Height Kit: Enables a seamless, integrated installation that enhances the overall aesthetic of your space.
- Robust Build Quality: Delivers longevity and reliable performance, even with frequent use.
- Free Design Service: Access expert guidance to plan the perfect installation for your home, no matter the layout.
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Fast deliveryWednesday, November 19th*
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Best PriceCall us to beat any price you found online.
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At a Glance
- High-efficient wood-burning stove for ultimate warmth and fuel economy
- EcoDesign certified for environmentally friendly heating solutions
- Complete internal full height installation kit for integrated setups
- Streamlined design perfect for modern, freestanding applications
- Bonuses include our free professional design service for tailored installations
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
Ready for installation. Designed for internal installation in two storey buildings. The flue runs through the inside of your property and exits through the roof. No existing chimney needed. Our experts offer a free design service if you need a variation on this system. Give us a call on 01670 206 999 if you think you might need a few changes to this standard kit.
Large Tinderbox on Log Box, 5kW, ECODesign with internal full height kit... Discover the superior Large Tinderbox on Log Box stove – a high-efficient, EcoDesign certified wood-burning marvel. With its internal full height kit for a seamless integrated installation and our free design service, this package enhances warmth, style, and sustainability in your home.
SKU: 137-LLG-TBOX-inside
Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, November 19th. 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.
| SKU | Product Name | Qty |
|---|---|---|
| 37-125-005 | TWPro MB - Flat Adaptor - Ø 125 | 1 |
| 37-125-016 | TWPro MB - Adjustable Pipe 250-350mm - Ø 125 | 1 |
| 37-125-010 | TWPro MB - Pipe 1000mm - Ø 125 | 8 |
| 37-125-073 | TWPro MB - Ventilated Firestop Plate - Ø 125 | 2 |
| 58-125-075 | TWPro MB - Firestop Cover Plate (MB) - Ø 125 | 1 |
| 37-125-011 | TWPro MB - Pipe 500mm - Ø 125 | 1 |
| 37-125-112 | TWPro MB - Rain Cap with Mesh - Ø 125 | 1 |
| 12-15-LD-TILE | MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501 | 1 |
| 58-125-082 | TWPro MB - Storm Collar - Ø 125 | 1 |
| 13-MESHKIT-125 | Loft Mesh Kit (125mm) | 1 |
| Technical Specifications | |
|---|---|
| Nominal Heat Output | 5kW |
| Heat Output Range | 4-7.5kW |
| Energy Efficiency Rating | A+ |
| Wood Burning Efficiency | 81% |
| CO Emissions | 0.09% @ 13% O2 |
| Maximum Log Length | 480mm |
| Flue Outlet | 5' Top or Rear |
| Dimensions | 550mm (H) x 579mm (W) x 383mm (D) |
| Weight | 86kg |
| Eco Design Approved | Yes |
| Smoke Control Exempt | Yes |
| Cleanburn System | Yes |
| Airwash System | Yes |
| Direct Air Kit | Optional |
| Grate Option | Optional |
| Package Components Details | 37-125-005, 37-125-011, 37-125-010, `SKU`, 37-125-016, 37-125-073, 58-125-075, `SKU`, 58-125-082, 37-125-112, 12-15-LD-TILE, `SKU`, 13-MESHKIT-125 (TWPro MB - Flat Adaptor - Ø 125, TWPro MB - Pipe 500mm - Ø 125, TWPro MB - Pipe 1000mm - Ø 125, `Product_Name`, TWPro MB - Adjustable Pipe 250-350mm - Ø 125, TWPro MB - Ventilated Firestop Plate - Ø 125, TWPro MB - Firestop Cover Plate (MB) - Ø 125, `Product_Name`, TWPro MB - Storm Collar - Ø 125, TWPro MB - Rain Cap with Mesh - Ø 125, MI-Flash - No 1.5 Tile Black EPDM (125-225mm) LD-705x501, `Product_Name`, Loft Mesh Kit (125mm)) |
| Package Components | 37-125-005, 37-125-011, 37-125-010, `SKU`, 37-125-016, 37-125-073, 58-125-075, `SKU`, 58-125-082, 37-125-112, 12-15-LD-TILE, `SKU`, 13-MESHKIT-125 |
Want this Large Tinderbox on Log Box, 5kW, ECODesign with internal full height kit supplied and ready to fit? Save £££s when you buy a complete installation package
When you choose a package, you get the premium Large Tinderbox on Log Box, 5kW, ECODesign with internal full height kit shown on this page plus a complete installation kit, so everything is ready for your installer in one delivery.
For single-storey spaces such as garden rooms, bungalows or extensions, pick the One Storey Kit – it is designed to work without an existing chimney. In two-storey homes, choose the Inside Two-Storey Kit if you want the flue to rise internally and exit through the roof, or the Up & Out Two-Storey Kit if you prefer the flue to run up inside and then outside the wall – both options avoid the need for a chimney.
If you already have a chimney, the Chimney Pack partners Large Tinderbox on Log Box, 5kW, ECODesign with internal full height kit with a 10m flexible liner and all the adaptors and fixings needed to connect and safely line the chimney. It's our most popular option and usually offers the best overall value when bought with this stove.
Not sure which package is right for your project? Call our team on 01670 206 999, 8am–5pm, and we'll talk it through with you.
