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Large Tinderbox on Log Box, 5kW, ECODesign with up and out full height kit (137-LLG-TBOX-outside)

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.
🛠 What You Get: Premium Stove and Complete External Two Storey Kit

Ready for installation. A full external flue system that runs up the outside of a two storey building. Ideal when internal routing isn’t practical. No chimney required. 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.

The price you pay today £2,075.99
including free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 10th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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]

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

Need a complete stove & installation kit?

Stove on its Own
Stove on its Own £1,049.99
View Package
Single Storey
Single Storey £1,265.99
View Package
Inside Kit
Inside Kit £1,975.99
View Package
Chimney Kit
Chimney Kit £1,075.99
View Package
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 Output5kW
Heat Output Range4-7.5kW
Energy Efficiency RatingA+
Wood Burning Efficiency81%
CO Emissions0.09% @ 13% O2
Maximum Log Length480mm
Flue Outlet5' Top or Rear
Dimensions550mm (H) x 579mm (W) x 383mm (D)
Weight86kg
Eco Design ApprovedYes
Smoke Control ExemptYes
Cleanburn SystemYes
Airwash SystemYes
Direct Air KitOptional
Grate OptionOptional
This complete installation kit is engineered specifically for this Large Tinderbox on Log Box variant. Ideal for external installations, it comes with everything required for a secure, efficient setup. Although we do not carry out the installations ourselves, our free design service is available to help you plan your layout whether your property is single or multi-storey. Please refer to the main image provided to see the precise style and finish of this kit in situ.

The stove has an impressive efficiency rating of 80.4%, making it one of the most efficient stoves of its size in the UK.

Yes, this stove is exempt from Smoke Control Area regulations, making it ideal for use in both urban and rural settings.

This stove boasts an A+ Energy Rating, ensuring it is environmentally friendly and economical to run.

The stove is proudly designed and assembled in the UK, guaranteeing top-notch quality and craftsmanship.

The Large Tinderbox on Log Box has very low emissions with only 14% Dust Particles, making it an eco-friendly choice.

Yes, the log box provides a handy space to store your logs, keeping your fireside area tidy and organized.

The stove has a heat output of 5kW, providing ample warmth to any living area.

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