Large Tinderbox on Log Box, 5kW, ECODesign with up and out full height kit
At a Glance
- High-efficient wood-burning performance for robust heating
- EcoDesign approved for environmentally responsible operation
- Up and out full height kit optimised for external installations
- Enhanced safety and style with a contemporary, freestanding design
- Complemented by a free design service to tailor your installation

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
Large Tinderbox on Log Box with up and out full height kit Experience unbeatable efficiency and style with our ECODesign Large Tinderbox on Log Box. This top-tier wood-burning stove is designed for external installations and comes bundled with an up and out full height kit, ensuring optimal heating performance, minimal emissions and an eco-friendly operation. With our free design service, we help you create a bespoke, hassle-free installation that enhances the appeal of your living space.
Features & Benefits
High-efficient wood-burning performance
Delivers consistent, cosy warmth while ensuring fuel efficiency.
ECODesign approved
Complies with strict environmental standards for cleaner air and reduced emissions.
Up and out full height kit
Engineered for external installations, providing a sleek installation that complements any property.
Robust construction
Offers durability and long service life even in demanding outdoor conditions.
Free design service
Helps you achieve the perfect installation layout, whether for single or multi-storey properties.
SKU: 137-LLG-TBOX-outside
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 |
37-125-031 | TWPro MB - 45° Bend - Ø 125 | 1 |
37-125-010 | TWPro MB - Pipe 1000mm - Ø 125 | 7 |
37-125-034 | TWPro MB - 135° Tee - Ø 125 | 1 |
37-125-036 | TWPro MB - Tee Cap - 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 |
58-125-160 | TWPro MB - Retro Fit Base Support - Ø 125 | 1 |
58-125-052 | TWPro MB - Wall Support 80-130mm - Ø 125 | 3 |
15-125-100 | Wall Sleeve 45° Adjustable - Ø 125 | 1 |
58-125-114 | TWPro MB - MB Round Finishing Plate 45° (1 Piece) - Ø 125 | 1 |
58-125-097 | TWPro MB - Finishing Plate 30°-45° - Ø 125 | 1 |
37-125-012 | TWPro MB - Pipe 250mm - Ø 125 | 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 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, April 21st. 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 Large Tinderbox on Log Box is a top-tier wood-burning stove that combines efficiency and elegance. Proudly designed and assembled in the UK, it meets the highest ECODesign 2022 standards, making it the perfect addition to any home. Reliable nationwide delivery and dedicated support for retail and trade customers make this an excellent choice.
This product is a high-efficient wood-burning stove designed to provide both efficient heating and an eco-friendly solution to any living space.
National Flues is a leading supplier of fireplaces and flues in the UK, catering to both retail and trade customers with reliable delivery and competitive pricing.
