Harvia 50 Series Wood Burning Sauna Heater
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Harvia WK500 (Harvia 50 SL) – 40 kW Professional Wood‑Burning Sauna Stove
The Premier Large‑Capacity Sauna Heater for Public & Commercial Use
The Harvia WK500 (also known as Harvia 50 SL) is a high‑performance, Finnish‑crafted wood-burning stove engineered for large‑scale sauna environments. With a 40 kW steel body and capacity for up to 120 kg of sauna stones, it provides even, long-lasting heat ideal for commercial, public, or large residential saunas. It resists moisture and features a durable graphite-black finish.
Key Features
- Power Output: 40 kW suitable for sauna rooms between ~20–50 m³ (706–1,766 ft³)
- Massive Stone Capacity: Holds up to 120 kg (≈264 lb) of stones for intense, consistent steam
- Professional-Grade Design: Crafted in Finland, ideal for public use and demanding environments
- Durable Steel Construction: Finished in graphite black with UL listing for indoor wet-area installation
- Flexible Installation: SL variant allows door access from outside sauna room; reversible door swing
Specifications
- Model: WK500 / Harvia 50 SL
- Power Output: 40 kW
- Recommended Room Volume: 20–50 m³ (706–1,766 ft³)
- Stone Capacity: Max 120 kg (≈264 lb)
- Dimensions: ~42″ H × 29″ W × 21″ D (≈1,050 × 510 × 720 mm)
- Weight: ~194–206 kg (approx. 428–456 lb)
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Safety Distances:
- Front: 500 mm non‑combustible / combustible
- Sides/Back: 500 mm combustible / 100 mm non-combustible
- Ceiling: ≥1,200 mm from top of stove to ceiling
Benefits
The WK500 delivers robust heat performance and sauna steam consistency ideal for large groups in public, commercial or gym saunas. Its high stone capacity ensures humidity control and deep, authentic Finnish sauna experience—even with frequent sessions. Its solid construction and professional certification make it ideal for demanding settings.
Perfect For:
- Public saunas, fitness centers, wellness spas
- Large residential sauna rooms accommodating multiple users
- Sauna installations requiring powerful performance and heat retention
- Scandinavian and minimalist design settings with durable visual harmony
Why Buy From Us?
- Authorized Harvia dealer—full warranty supported
- Freight shipping with appointment delivery
- Price Match Guarantee—just ask if you find a lower price
- Expert support for installation planning and safety clearances
Need Assistance?
Have questions on selecting stone quantity, installing chimney clearance, or matching controls? Our sauna experts are standing by—just reach out anytime!
