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Description
The Harvia Pro 20 LS/RS is a 24.1 kW wood-burning sauna stove with a 30 liter water tank built into one side. Choose the tank on the left (LS) or right (RS) to suit your room layout. It comes with sauna stones.
Water tank
The integrated 30 liter tank heats water while the fire burns, so you have hot water for washing or for ladling onto the stones during your session. The tank side is fixed at order, so pick the side that faces your bench or tap access.
Build
The steel body has a graphite black and stainless steel finish, and a cast-iron framed glass door lets you see the fire. The stone space is large for soft, even steam, and adjustable feet help level the stove on an uneven floor.
Specifications
- Models: WK200LS (tank on left) and WK200RS (tank on right)
- Output: 24.1 kW
- Fuel: wood
- Water tank: 30 liters, integrated side tank
- Body: steel, graphite black and stainless steel finish
- Door: cast-iron framed glass
- Feet: adjustable
- Sauna stones included
Related
Browse sauna heaters, or use our sauna size calculator to work out your room volume before choosing an output.
Specifications
| Models | WK200LS (tank on left) and WK200RS (tank on right) |
|---|---|
| Output | 24.1 kW |
| Fuel | wood |
| Water tank | 30 liters, integrated side tank |
| Body | steel, graphite black and stainless steel finish |
| Door | cast-iron framed glass |
| Feet | adjustable |
| Details | Sauna stones included |
Specifications from the manufacturer. Dimensions are approximate.
Shipping
We ship to the 48 contiguous U.S. states and Washington, DC. Your shipping cost is calculated at checkout and shown before you pay.
You will get an order confirmation right away and tracking by email when your order ships. Questions about timing for a specific item? Call (945) 280-3243 or email support@restoresuite.com before you order.
Delivery
Large items such as saunas, hot tubs and cold plunge tubs usually ship by freight. The carrier contacts you to schedule delivery. Please check the packaging and note any damage on the delivery receipt before you sign, then tell us within 48 hours so we can resolve it for you.
Before delivery day, measure doorways and hallways along the path to the install spot, and confirm the electrical requirement on the Specifications tab.
Warranty
30-day limited warranty against manufacturing defects
If this item has a manufacturing defect within 30 days of purchase, contact us with your order number and a photo or video of the issue and we will make it right.
Reviews
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Manuals and documents
Official Harvia documents for this model. Opens as a PDF.

Why this heater
A 24.1 kW Harvia wood sauna stove with a built-in 30 liter water tank on the side you choose, plus sauna stones.
- 24.1 kW wood-burning output.
- 30 liter water tank, left or right side.
- Glass door shows the fire.
- Adjustable feet and sauna stones included.

Key specs at a glance
The numbers to check before you order. Full details are on the Specifications tab.
Before you buy: what to know
Based on the manufacturer's specs, manuals and our research.
- LS and RS differ only in which side the 30 liter water tank sits on, and that is fixed at order. Pick the side that faces your bench or tap access.
- It is 24.1 kW with stones included. The Pro 20 ES has a smaller 20 liter tank at the front if a side tank does not suit your layout.
- Clearances to walls, ceiling and benches come from the installation manual, and a wood stove also needs a proper chimney run. Check local code and your insurer before you build around it.
- It usually ships within 1 to 3 business days and arrives in about 5 to 10 business days, so it can be on site before your build is finished.
- Returns are accepted within 30 days with a 25% restocking fee on unused, unopened items. Work out your room volume first, so the output you order is the right one.
Not sure this is the right fit? Ask us or call (945) 280-3243.
Compare Harvia models
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Common questions
What is the difference between LS and RS?
What is the water tank for?
Are stones included?
Will it sit level on an uneven floor?
Choosing the right setup can be tricky. We are here to help.
Tell us your space, power and how you plan to use it, and we will help you compare models honestly, including whether this one is the right fit.
Why buy from Restore Suite
Warranty terms up front
Each product page states its warranty coverage, and we help you use it if anything goes wrong.
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One point of contact
We handle your questions, delivery issues and warranty claims with the manufacturer for you.
Honest guidance
Free guides and calculators for sizing, running costs and safety, so you can decide with real numbers. See the research




