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Large Tinderbox Multifuel Stove, 5kW, ECODesign with up and out full height kit (137-LMF-TBOX-outside)

Discover the ultimate heating solution with the Large Tinderbox Multifuel Stove, 5kW, ECODesign kit – a highly efficient, eco-friendly, and versatile stove package perfect for external installations. With its multifuel capability and up and out full height kit, you get robust performance and flexibility backed by our free design service. Enhance your home’s warmth with eco-certified, cost-effective technology today!
🛠 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 £1,970.99
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, eco-friendly heating for medium-sized living spaces
    Multifuel capability for versatile fuel choices
    Robust design engineered for external installations
    Up and out full height kit included for superior performance
    Free design service available to plan your perfect setup
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 Multifuel Stove, 5kW, ECODesign :: with up and out full height kit :: with up and... Discover the ultimate heating solution with the Large Tinderbox Multifuel Stove, 5kW, ECODesign kit – a highly efficient, eco-friendly, and versatile stove package perfect for external installations. With its multifuel capability and up and out full height kit, you get robust performance and flexibility backed by our free design service.

Enhance your home’s warmth with eco-certified, cost-effective technology today!

Features & Benefits

EcoDesign Certification

Assures compliance with environmental standards and efficient heating, reducing your carbon footprint.

Multifuel Versatility

Provides flexibility to use a variety of fuels, allowing you to choose the best option for your needs.

External Installation Ready

Specifically engineered for outdoor setups, ensuring durability and optimal performance even in adverse weather.

Up and Out Full Height Kit

Ensures a secure, high-performing installation tailored to external applications.

Free Design Service

Receive expert advice and planning to achieve an optimal installation, whether for single or multi-storey buildings.

SKU: 137-LMF-TBOX-outside

Need a complete stove & installation kit?

Stove on its Own
Stove on its Own £907.99
View Package
Single Storey
Single Storey £1,160.99
View Package
Inside Kit
Inside Kit £1,870.99
View Package
Chimney Kit
Chimney Kit £970.99
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 package is a complete installation kit custom-designed for the Large Tinderbox Multifuel Stove, 5kW, ECODesign variant. Engineered specifically for external applications, it suits both single-storey and multi-storey buildings. Please note, while we do not provide installation services, we offer a free design service to help you plan the ideal setup. Refer to the main image for a clear view of the product’s robust design, ensuring you can see every detail before purchase.

The Large Tinderbox Multifuel Stove has a 5kW output, making it suitable for medium-sized rooms.

Yes, the Large Tinderbox Multifuel Stove meets all ECODesign 2022 standards, ensuring it is environmentally friendly and highly efficient.

Absolutely, this stove is Smoke Control Area Exempt, which means it can be used in urban areas with strict smoke regulations.

This stove boasts an impressive efficiency rate of 81.3%, making the most of the fuel you use.

The Large Tinderbox Multifuel Stove is designed to burn a variety of fuels, including wood and solid fuels.

The Large Tinderbox Multifuel Stove has an A+ Energy Rating, signifying its excellent energy efficiency.

Yes, National Flues provides reliable nationwide delivery for all our stoves, including the Large Tinderbox Multifuel Stove.

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