KASTOR KARHU 40

KASTOR KARHU 40

The Kastor Karhu 40 wood-fired heater is the epitome of power, reliability, and Finnish quality. Its concise design with a matte steel finish and a glass door perfectly complements the interior of a large sauna. This model is created for those who value stable heat, soft steam, and the atmosphere of a live flame.

Product Features

• Durable body made of heat-resistant steel with a reinforced construction.
• An optimized firebox ensures efficient combustion and high efficiency.
• A stylish combination of steel and glass suits both modern and classic interiors.

Advantages

• High heat output and economical firewood consumption.
• Quickly reaches operating temperature and retains heat for a long time.
• A sturdy door with heat-resistant glass allows you to watch the flames.
• Simple installation and maintenance.

Technical Specifications

• Sauna volume: 30–40 m³
• Stone capacity: 50–55 kg
• Dimensions (H×W×D): 580×585×925 mm
• Flue diameter: Ø115 mm
• Safety distances (front/side/rear/to ceiling): 500/300/300/1300 mm

Application

Ideal for spacious domestic and commercial saunas. Suitable for sauna complexes, cottages, and spa zones where a reliable heat source and a stable microclimate are required.

Result

Fast heating of even a large steam room, rich soft steam, and the cozy atmosphere of a live fire. The Kastor Karhu 40 heater creates a feeling of comfort, strength, and traditional sauna spirit.

Ideal for

• Large saunas with a volume of 30–40 m³
• Lovers of the classic Finnish sauna
• Commercial sauna complexes and family spas

Important: Smoke pipes are not included in the delivery.

• Metal smoke pipes — view category
• Stainless steel chimney pipes — view category