The Harvia Pro 20 LS Wood-Burning Sauna Stove with an integrated water tank is a refined and practical choice, especially well-suited for cottage saunas. Thoughtfully designed, the Pro 20 SL sauna stove features a fixed 30-liter water tank on the left side that effortlessly warms water as the stove heats the room. The Harvia Pro 20 SL heater and tank’s striking graphite black finish is beautifully complemented by a stainless-steel front, while the large glass hatch allows the soft glow of the fire to enhance the sauna’s ambiance. With ample space for stones, it promises a rich and immersive sauna experience with every use.
The All-Time Favorite for Cottage Saunas
- Harvia Pro 20 LS with a side water tank is a practical wood-burning heater that gives an excellent sauna experience.
- The water tank is on the left side of the heater, where water is heated in the spacious 30-liter tank while the heater heats the sauna to the desired temperature.
- Easy and safe to use; the water tank tap is located at the front of the heater.
- The front, top, and ash box are made of stainless steel, which is easy to keep clean.
- The cast-iron glass hatch adds light and a cozy atmosphere to the sauna
- Adjustable feet for easy installation
- Can be equipped with a separate chimney model water tank and protective sheath
- The fire chamber and fire channels of Harvia wood-burning heaters are designed to ensure that the sauna heats up quickly and the fire burns cleanly.
- The heaters meet the requirements of the CE marking.
*Sauna Heaters are not sold separately - a sauna must be purchased in conjunction with the purpose of any sauna heater or sauna heater package.

Features
- Floor Mounted
- Black steel frame
- Wood-Burning
- Large glass door
- Hearty steam production
- 88 lb stone capacity (requires 2 boxes sold separately)
- 30 Liter water tank built-in
- Left Sided Water Tank
- CE-certified, EAC-listed
Technical
Features
User group | Households |
Power output | 24.1 kW |
Installation location | Floor |
Installation orientation | - |
Technical documentation languages | DE EN ET FI RU SV |
Color | Black |
Main material | Steel |
Use environment | Interior - wet area |
Prime energy/fuel | Wood |
Measurements
Product height | 760 mm |
Product width | 580 mm |
Product depth (mm) | 510 mm |
Stone sizes | Ø10–15 cm |
Weights
Net weight (kg) | 60 kg |
Stone amount (kg) | 40 kg |
Distances
Safety distance front (non-combustible materials) | 300 mm |
Safety distance front (combustible materials) | 300 mm |
Safety distance behind (non-combustible materials) | 100 mm |
Safety distance behind (combustible materials) | 300 mm |
Safety distance right side (combustible materials) | 300 mm |
Safety distance right side non-combustible materials | 100 mm |
Safety distance left side (combustible materials) | 300 mm |
Safety distance left side non-combustible materials | 100 mm |
Safety distance (Ceiling) | 1300 mm |
Room min. recommended volume | 8 m³ |
Room max. recommended volume | 20 m³ |
Room min. height(depends on connections and therefore from output, star/delta) | 2060 mm |
Logistics
Package height | 760 mm |
Package width | 660 mm |
Package depth | 550 mm |
Gross weight | 63.1 kg |
Move or
Haul Away
We'll move your fitness equipment to a new location or dispose of old equipment for you.
Available
Installation
360 Fitness Superstore offers multiple installation and service options on all our fitness equipment.
Home
Gym Design
Design your home or office gym with the Home Gym Design Room Layout Planner!
Equipment
Service & Repairs
We offer the best repair service in the San Francisco Bay Area with a 24-hour response time.




