Harvia Linear 18 Compact Heater Kit With Chimney Extension
450 (W) x 510 (D) x 770 (H) mm
5–18 m³
A complete wood-burning sauna heater kit with chimney extension, sauna stones and black flue components for selected Hekla outdoor saunas.
Harvia Linear 18 Compact Heater Kit With Chimney Extension
Power
14.3 kW
Heating type
Wood-burning sauna heater
Suitable sauna size
5–18 m³
Control type
Manual wood-burning operation
Storage temperature max
50°C
Electrical supply
Not required
Dimensions
450 (W) x 510 (D) x 770 (H) mm
Main material
Steel
Stones required
40 kg sauna stones (2 boxes of 10–15 cm stones recommended)
Safety distances
92 mm sides and rear | 300 mm front | 1300 mm ceiling clearance
Key Features
Complete Chimney Extension Kit
Includes the black chimney set and chimney extender for installations that require additional flue height.
Authentic Wood-Burning Heat
Creates a traditional sauna atmosphere with real fire and natural, radiant heat.
Compact Safety Design
Double-shell construction allows small safety distances, making installation more flexible.
Fast & Efficient Heating
Advanced air circulation and heat exchanger design help the sauna heat quickly and efficiently.
Compatible with Hekla saunas
Hekla Barrel 210
Hekla Barrel 250
Hekla Cube 210
Hekla Cube 250
Hekla Barrel 250
Hekla Cube 210
Hekla Cube 250
Professional installation required
For electric heaters:
Qualified electrician required
Correct power supply needed
Safety clearances must be followed
For wood-burning:
Flue/chimney setup required
Ventilation and clearance requirements
Suitable outdoor installation
Warranty
Harvia heaters are built for reliable performance and backed by manufacturer warranty coverage. Terms may vary depending on the model and installation conditions.
Need help choosing the right heater?
Our team can help you match the correct Harvia heater to your sauna size, usage and installation requirements.
Need help choosing the right heater?
Our team can help you match the correct Harvia heater to your sauna size, usage and installation requirements.