Kamina WU100 - Heating appliance HARVIA - Free user manual and instructions
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| Product Type | Wood-burning sauna heater |
| Brand | Harvia |
| Model | Kamina WU100 |
| Fuel | Wood logs |
| Heating Output | Approx. 15 kW |
| Heating Volume | 10–25 m³ |
| Dimensions (H x W x D) | 70 cm x 45 cm x 45 cm |
| Weight | Approx. 60 kg |
| Material | Steel with heat-resistant coating |
| Stone Capacity | Approx. 20 kg |
| Flue Outlet Diameter | 115 mm |
| Ignition | Manual |
| Functions | Heating, steam generation, adjustable air vents |
| Safety Features | Overheat protection, safety clearances required |
| Maintenance | Ash removal, chimney cleaning, stone inspection |
| Spare Parts Availability | Available from Harvia distributors |
| Country of Origin | Finland |
Frequently Asked Questions - Kamina WU100 HARVIA
What type of wood should I use?
Use dry, seasoned hardwood like birch or alder. Avoid softwoods like pine to prevent excessive creosote buildup.
What are the minimum safety clearances?
Keep a minimum distance of 50 cm to combustible materials on sides and rear, and 100 cm to the front. Refer to the manual for exact distances.
How do I clean the sauna heater?
Remove ashes after each use. Clean the chimney at least once a year. Inspect stones regularly and replace cracked ones.
Can I use the heater without stones?
No, stones are essential for heat storage and steam generation. The heater must always be operated with the correct stone load.
How long does it take to heat the sauna?
Typically 30–60 minutes depending on the sauna volume and outdoor temperature. The heater's output of 15 kW heats 10–25 m³ efficiently.
What is the recommended flue pipe diameter?
The flue outlet diameter is 115 mm. Use a chimney pipe of the same diameter with proper insulation.
How many stones can the heater hold?
The stone capacity is approximately 20 kg. Use sauna stones of 5–10 cm diameter for optimal steam production.
Can I install the heater myself?
Installation should be done by a qualified professional to ensure compliance with local fire safety regulations and proper chimney connection.
What should I do if the heater smokes into the room?
Check if the chimney is blocked or if the flue damper is closed. Ensure adequate draft by preheating the chimney. If problem persists, consult a professional.
How often should I replace the stones?
Inspect stones every few months. Replace any that are cracked or disintegrated. Full stone replacement is recommended every 2–3 years.
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