
Onyx Athos 5 Wide Multi-Fuel Stove


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- Charming heritage aesthetic
- Durable steel body & cast iron body
- Stylish handle
- Cleanburn & Airwash systems
- Ecodesign Compliant
- Convector Heat System
- 5kW nominal output
- 79.5% efficiency
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From £1,995

- Description
Description
The Onyx Athos 5 Wide Multi Fuel Stove delivers a nominal 5kW heat output, making it suitable for medium sized rooms. With a wide output range from 2.5kW to 7kW and a 79.5% efficiency rating, it provides flexible and effective heating. The fixed grate allows for wood burning with the option of occasional smokeless fuel use.
Wide viewing glass creates a spectacular flame display that brings warmth and atmosphere to the room. Powerful Airwash technology helps keep the glass clear, while intuitive air controls allow precise adjustment of heat and burn rate. Ecodesign compliant and DEFRA approved, it is suitable for smoke control areas.
Finished in a graceful, traditional design, the Athos 5 Wide is built from a robust steel body with a cast iron door. The stylish handle features a black knurled grip with champagne coloured ends, adding a refined touch. Its classic proportions and wide format make it a striking centrepiece for both traditional and modern homes.
- Additional information
Additional information
Dimensions 370 × 575 × 641 mm Brand Finish Fuel Type Style Flue Diameter Flue Location Max Log Size Nominal Output 5kW
Output - Min/Max Net Efficiency EEI Classification Construction Warranty
- Warranty Terms
As a proud member of the Onyx Expert Retailer Network, we ensure that every Onyx product purchased through us qualifies for the extended warranty. To activate this cover, your product must be registered with Onyx within one month of the installation date. The warranty begins from the date of installation and proof of purchase, commissioning and servicing will be required for any claim.
From installation up to two years, your Onyx solid fuel stove or fireplace is covered for material and manufacturing defects, including parts and labour. The first year also includes a consumables guarantee, covering items such as glass, fire bricks, grates, baffles, log guards, ashpans, and rope seals.
From year two up to ten years, the warranty continues with parts only cover for material and manufacturing defects. Consumable items are excluded beyond the first year, as outlined in the warranty exclusions and limitations. Extended warranty cover is subject to correct installation in line with Building Regulations by a suitably qualified engineer, along with annual servicing and regular chimney sweeping. Full details can be found on the Onyx website.













