The 82mm Direct Air Ventilation Kit is designed to provide a reliable external combustion air supply to compatible wood burning and multi-fuel stoves. Suitable for appliances with a 75–80mm direct air inlet, this complete kit connects the stove to an outside air source, helping maintain effective combustion without relying entirely on air from the room.
Unlike traditional room ventilation systems, a direct air supply delivers fresh air straight to the appliance. This helps minimise unwanted draughts and heat loss, making it particularly useful for modern, well-insulated homes.
Direct External Air Supply for Stoves
Many modern wood burning stoves feature a dedicated external air connection. The Direct Air Kit allows compatible appliances to draw combustion air from outside through a semi-rigid aluminium duct.
This arrangement helps maintain a more comfortable indoor environment while providing the air required for effective stove operation.
Key Features
- Direct combustion air supply: Delivers fresh external air directly to compatible stoves.
- 75–80mm compatibility: Designed for smaller stove air inlet connections.
- 82mm aluminium ducting: Semi-rigid construction allows flexible positioning during installation.
- Reduced draughts: Helps prevent cold outside air entering the room through a conventional open vent.
- UV-stabilised grille: External louvre designed to resist deterioration caused by sunlight.
- Complete installation kit: Includes external grille, backplate, ducting and metal hose clips.
- Suitable for modern homes: Particularly useful where airtight construction makes a dedicated external air supply desirable.
What’s Included?
- 1 x 6×3 external louvre grille.
- 1 x Matching louvre backplate with 74.5mm diameter spigot.
- 1 x 1.5m semi-rigid aluminium duct.
- 2 x Adjustable metal hose clips.
Technical Specifications
- Product: Direct Air Ventilation Kit
- Product code: DVKIT80
- Suitable stove inlet: 75–80mm diameter
- Ducting internal diameter: 82mm
- Ducting external diameter: 90mm
- Ducting length: 1.5m expanded
- Ducting material: Semi-rigid aluminium
- External grille: 6×3 louvre
- Grille dimensions: 155mm x 94mm
- Backplate spigot: 74.5mm diameter
- Available grille colours: Terracotta with additional on request: Buff/Sand and White
Suitable Applications
The 82mm Direct Ventilation Kit is suitable for:
- Wood burning stoves with compatible external air inlets.
- Multi-fuel stoves designed for direct combustion air supply.
- Modern and well-insulated homes.
- New stove installations and compatible replacement appliances.
- Installations where reducing room draughts is a priority.
Installation and Compatibility
The ducting connects to the appliance’s dedicated external air inlet and is routed to an outside wall, where the louvre grille is installed.
Important: Not all stoves are suitable for direct external air connections. Always check the manufacturer’s instructions and ensure the ducting size, ventilation arrangement and installation comply with relevant Building Regulations.
Any additional ventilation requirements must also be assessed by a suitably qualified installer.
Buy Ventilation Kits from Bonfire
Bonfire supplies a comprehensive range of stove ventilation products, direct air kits and chimney components for domestic and professional installations.
With over 20 years of experience in fireplaces and stoves, our team can help you select suitable components for your project.
Explore our wall vents and direct air ventilation kits or contact Bonfire for expert advice.
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