The Burley Ashdown 9408-C features a catalytic converter which aids the combustion process helping it to achieve an excellent efficiency rating of 85.6%. Rated 'Ecoelite' by Burley, the Ashdown has less than 1/3rd of the particulate levels of a stove that is merely rated as Ecodesign compliant!
The timeless design of the Ashdown 9408-C is finished in matt black with stylish wooden door handle and easy to use air control lever located at the base of the appliance. Well suited to heat larger spaces, the Ashdown has a nominal heat output of 8kW with a maximum heat output of an impressive 11.7kW!
A dedicated wood burning stove the Burley Ashdown 9408-C will provide a lovely focal point and reliable heat for many years and benefits from being approved for use in smoke controlled areas.
Primary combustion
Primary combustion is the initial burning of the wood at relatively low temperatures. During primary burn, water is evaporated and large amounts of creosote gas are produced. this creosote holds 60% of the potential energy of the wood, but is often just deposited on the inside of the stove and the lining of the flue,which causes chimney fires.
Secondary combustion
If, however, the combustion chamber is designed correctly by having sufficient insulation to raise the core temperature to 400ºC, and the correct amount of air is introduced, this creosote spontaneously combusts. This creates a chain reaction which increases the temperature inside the stove from 400ºC to 600ºC with no extra use of fuel. This is the secondary burn.
Introducing the air
The Burley Ashdown 9408-C has a unique and patented system of introducing air for combustion, this is called the Fireball. A tubular framework channels air from the intake at the rear, around the fuel bed where it is preheated. The framework extends up each corner of the combustion chamber where the hot air is injected horizontally along the inside of the stove. This creates a vortex which spins anticlockwise and ensures every area of the firebox receives exactly the correct amount of oxygen.
Tertiary combustion
Tertiary combustion occurs by fully burning the carbon, charcoal and ash which is left behind. These contain a huge amount of energy and provide a long rate of heat. Anyone who has barbecued will be aware of how much heat is present in semi-combusted wood. Blacksmith smelt steel on it. The vortex created by the Fireball technology also envelops the entire fuel bed, burning it so completely that there is no need for an ash pan.100kg of wood can be reduced to 1 pint of ash (a ratio of 350:1) which is simply scooped out. No more carrying bucket loads of ash through the house every time you want a fire!
Quaternary combustion
To create even more heat for your room and less soot for your chimney, Burley’s stoves have a unique quaternary (fourth) combustion process. As the hot gases exit the combustion chamber they pass through a mesh filter. The mesh is heated to such a high temperature that when any particles of soot or creosote which have escaped the secondary combustion touch it, they are ignited on contact.
Results
Making a stove which will burn wood is very simple and cheap. Producing and designing a top quality stove which will burn wood efficiently and cleanly is very difficult and is expensive. During product approval, when the European test house was measuring the emissions from the Burley stove, the combustion was so clean they assumed that their gas analyser had broken and sent it away for recalibration!
The catalytic converter included in this model also aids complete combustion, turning carbon monoxide into carbon dioxide, releasing more energy in the process, therefore the stove with catalytic converter will generally have lower CO and higher efficiency than the stove without.
Burley’s research and design has ensured the catalytic converters are working in the perfect temperature band, therefore with normal use they are rated for over 10,000 hours use. Unlike many other catalytic stoves, with average use Burley’s cat’s will never need replacing.
This highly advanced stove is made in Burley's headquarters in Oakham, East Midlands using locally sourced materials whilst being as environmentally responsibly as they can.
Simple and modern in design, the Ashdown 9408-C is constructed from steel with a robust cast-iron door. The plate steel sections are 5mm and 8mm thick and are welded by robots with the welds applied in exactly the right place and in exactly the right thickness resulting in the steel sections being melted and fused together to make a virtually indestructible construction. Weighing in at 115kg, you can be assured that this cutting-edge stove is built to last giving years of dependable service.
Included free with the Ashdown 9408-C is Burley's 'Thank You' pack which typically contains:
- Spanner to attach and adjust the tension of the air control lever
- Coaster to protect the top of your stove
- Moisture Meter to ensure your wood is dry
- Stove Paint in case you prefer black handles or ever need to touch up any paint work
- Heat Resistant Glove
- Scoop for removing ash
- Allen Key should you wish to adjust the door handle
- A Mug to enjoy a cup of tea whilst admiring the fantastic flame picture
The contents of the kits vary from model to model, so not all the items listed or shown above may be included with your stove.
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Download Instructions
(Manufacturers instructions are offered as a guide only and may not always be the latest version)
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Download Brochure
(Burley Wood Burning Stove brochure 2021)
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