Harvia PRO Series 20 SL 24.1kW Wood Stove Sauna Heater
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Product Information
The Harvia PRO Series 24.1 kW Wood Stove Sauna Heater delivers powerful, traditional wood-fired
performance for medium-to-large saunas.
Built in Finland with precision craftsmanship, it provides efficient heating, a glass door for visual
ambiance, and rugged durability. Ideal for frequent use, this heater creates a truly immersive and
authentic sauna experience.
Product Features
This 24.1 kW wood-burning stove is engineered for performance and reliability.
With generous stone capacity and user-friendly maintenance features, it’s designed for sauna enthusiasts
who value both form and function.
Reversible door hinge
Large stone chamber
Firewood feed-through wall
Durable steel frame
Heat-resistant glass door
Harvia PRO Series 20 SL 24.1kW Wood Stove Sauna Heater
Glass Door with Cast-Iron Frame:
Adds a cozy ambiance and allows visual control of the fire without opening the door.
88 lb Stone Capacity:
Provides rich, consistent steam output and effective heat storage during long sauna sessions.
Feed-Through Firebox Option:
Allows external wood loading from an adjacent room, enhancing convenience and safety.
Sturdy Steel Construction:
High-quality Finnish steel ensures durability and longevity under frequent heating cycles.
Reversible Door Installation:
The firebox door swing direction can be adjusted to suit different sauna layouts.
For Medium to Large Saunas:
Heats sauna rooms between 353–848 cubic feet efficiently, making it suitable for families or small spas.
Additional Features
Engineered for reliability, this heater offers stylish functionality, external feed capability, reversible door design, and large stone support.
External Fire Feeding
Feed logs from outside the sauna room for added safety and cleaner interiors.
Glass Viewing Window
Lets you enjoy the glow of the fire while maintaining sauna temperature.
Adjustable Door Swing
Configure the firebox door to open left or right based on your layout needs.
High Stone Volume
Accommodates up to 88 lbs of stones for steady, prolonged steam output.
About Harvia
Harvia is a globally recognized Finnish brand known for its premium sauna heaters, control systems, and wellness solutions.
Founded in 1950, Harvia blends traditional sauna culture with modern technology, offering reliable, high-performance products.
Renowned for durability, efficiency, and elegant design, Harvia continues to lead the industry in crafting exceptional sauna experiences for homes and commercial spaces worldwide.
Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
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Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
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Frustrating, misleading return policies
Clear, honest return policy
Specifications
| Brand | Harvia |
| SKU | WK240PRO |
| Power Output | 24.1 kW |
| Heated Room Size | 353–848 cu. ft. |
| Fuel Type | Wood-burning |
| Stone Capacity | 88 lbs (40 kg) |
| Material | Steel with cast-iron components |
| Country of Manufacture | Finland |
Warranty & Returns
Return Policy
To request a return or refund, customers can use our contact form, email (info@peakprimalwellness.com) , or phone - (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5-7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
What size sauna room does this model suit?
This 24.1 kW heater is ideal for sauna rooms between 353 and 848 cubic feet in size.
Can I install this heater in a residential sauna?
Yes, it’s suitable for residential use if the sauna room size matches the recommended volume range.
Does the unit support feeding wood from outside?
Yes, the feed-through firebox design allows you to load wood from an adjoining room for added convenience and safety.
How is the door orientation configured?
The firebox door is reversible and can be adjusted to swing left or right to suit your sauna layout.
Are stones included with the heater?
No, sauna stones are typically sold separately. The heater supports up to 88 lbs of stones.
What type of wood should I use?
Use dry hardwoods such as birch or oak for clean, efficient burning and long-lasting heat.
How often should the ash drawer be emptied?
Empty the ash drawer after 2–3 sessions or as needed to maintain airflow and efficient combustion.
