👀 8 people are viewing this product
× National Flues
Free Delivery on All Orders Over £100
We have 100% 5 Star Reviews on Trustpilot
Enjoy Our Free Flue Design Service
Delivery To Mainland UK Addresses
Call Our Experts on 01670 206999

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

Discover the MediumTinderbox on Log Box – a top-of-the-range, ECODesign approved wood burning stove, complete with an up and out full height kit. Engineered for external installations, this heating solution combines efficiency, style, and robust construction. Enjoy reliable, eco-friendly heating complemented by our free design service, ensuring your installation is flawless. Perfect for homeowners seeking premium quality and exceptional performance.
🛠 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 £2,004.99
including free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

    Efficient wood burning for reliable heating in your home or small space.
    ECODesign approved ensuring top energy efficiency and environmental performance.
    Engineered as an up and out full height kit ideal for external installations.
    Robust package components tailored for seamless assembly and enduring performance.
    Comes with a free design service to guide you through the installation process.
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]

MediumTinderbox on Log Box with up and out full height kit Discover the MediumTinderbox on Log Box – a top-of-the-range, ECODesign approved wood burning stove, complete with an up and out full height kit. Engineered for external installations, this heating solution combines efficiency, style, and robust construction. Enjoy reliable, eco-friendly heating complemented by our free design service, ensuring your installation is flawless.

Perfect for homeowners seeking premium quality and exceptional performance.

Features & Benefits

Efficient Wood Burning

Delivers reliable, consistent heat to keep your space warm and cosy.

ECODesign Approved

Optimises energy efficiency while reducing environmental impact.

Up and Out Full Height Kit

Specially designed for external installations, ensuring a flawless finish.

Robust Package Components

Ensures ease of installation and long-lasting durability.

Free Design Service

Offers professional advice to integrate the stove seamlessly into your space.

SKU: 137-MLG-TBOX-outside

Need a complete stove & installation kit?

Stove on its Own
Stove on its Own £953.99
View Package
Single Storey
Single Storey £1,194.99
View Package
Inside Kit
Inside Kit £1,904.99
View Package
Chimney Kit
Chimney Kit £1,004.99
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 crafted specifically for the MediumTinderbox on Log Box with the up and out full height kit. Designed for external applications, it is ideal for both single and multi-storey properties. While we do not install the appliance ourselves, our free design service provides expert guidance. Please refer to the main product image for a clear view of the kit’s robust design and weatherproof finish.

The MediumTinderbox on Log Box has an efficiency rating of 85.1%, making it one of the most efficient stoves of its size in the UK.

Yes, the MediumTinderbox on Log Box is fully compliant with ECODesign 2022 regulations, ensuring it meets the latest environmental standards.

Absolutely. This stove is Smoke Control Area Exempt, meaning it can be used even in areas where burning wood is restricted.

The stove has an A+ energy rating, highlighting its high efficiency and low environmental impact.

The MediumTinderbox on Log Box emits just 13% dust particles, making it one of the cleanest stoves available today.

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

Yes, at National Flues, we cater to both retail and trade customers with secure online payments and trade accounts available.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal
Click To Call Our Experts