Bella with side glass (Outside Air) - BLACK with internal full height kit (134-14900100-inside)
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.

At a Glance
- Efficient heating performance tailored for modern low-energy homes
Seamless integrated installation with a full height internal kit
Striking contemporary design with a sleek black finish and side glass
Eco-friendly and compliant – Eco Design Approved and Smoke Control Exempt
Enhanced system features including Cleanburn and Airwash for optimal performance
Benefit from our free design service to achieve a flawless 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]
- Info
- Specs
- Install
- FAQs
Bella with side glass (Outside Air) - BLACK with internal full height kit... Introducing the Bella with side glass (Outside Air) - BLACK, a state-of-the-art wood-burning stove engineered for efficiency and style. This fully integrated internal full height kit combines a robust heat output of 4-7.5kW with a sleek, modern design, perfect for contemporary, low-energy UK homes.
Enjoy eco-friendly operation with an A+ energy efficiency rating and advanced air wash and cleanburn systems. Our free design service ensures your installation is perfectly tailored – making Bella the ultimate choice for stylish, sustainable heating.
Features & Benefits
Efficient Heating Output
Provides a reliable 4-7.5kW range to keep your home warm during colder months.
Internal Full Height Kit
Ensures a neat, integrated installation that enhances the overall aesthetics of your space.
Contemporary Design
The sleek black finish with side glass offers a modern focal point in any home.
Eco-Friendly Engineering
Eco Design Approved and Smoke Control Exempt for a responsible heating solution.
Advanced Burn Systems
Features Cleanburn and Airwash systems that ensure efficient fuel usage and reduce emissions.
Free Design Service
Expert design support to help plan and optimise your installation for single or multi-storey homes.
SKU: 134-14900100-inside
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 |