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Harvia 50 Series 40kW Wood Burning Sauna Stove for Large Sauna Rooms

Vendor:

Harvia

SKU:

WK500

$4,887.41
+ 🚚 Free shipping

Availability:

in stock, ready to be shipped

Shipping information

Shipping and delivery

Clear delivery expectations so you know what will happen after you place your order.

Where we ship

We primarily deliver to residential and commercial addresses within the continental United States. Availability for Alaska, Hawaii and other regions can vary by brand, so please contact us before ordering if you are outside the mainland U.S.

How orders are shipped

Many products are shipped directly from the manufacturer or authorized distributor. Once an order is processed for shipment, we share any tracking details made available to us by the carrier or supplier. You will always receive an order confirmation email after checkout.

Freight deliveries

Larger and heavier items usually ship via freight with curbside delivery. The carrier may contact you to arrange a delivery window and an adult may need to be present to sign when required. Standard freight service does not include inside delivery or installation unless specifically arranged.

Transparent costs

Any applicable shipping fees are shown clearly in your cart or at checkout before payment. We recommend reviewing access points, stairs and doorway widths ahead of time to help avoid extra carrier handling fees after dispatch.

Have questions about shipping for this product or need delivery guidance
Email support@thermalsanctum.com or call +1 (302) 219 4061. We are happy to help.

Information on this page is for general guidance. Final shipping options and any applicable charges are confirmed at checkout and in your order confirmation email.

Returns 

Returns and peace of mind

Helpful guidance on how returns work at Thermal Sanctum.

Eligibility overview

Many products are eligible for a return or exchange when they are unused, in original packaging and meet the conditions in our Returns and refunds policy. Because requirements can vary by brand and product type, we always review eligibility before confirming a return.

How to request a return

If you would like to request a return, please contact our team with your order number and product details. We will confirm whether the item qualifies under our policy and share the next steps, including any return authorization information.

Condition of returned items

Items typically need to be in new, resaleable condition with all original parts, manuals and accessories included. Products that have been installed, used or modified may not be eligible for a refund except where required by law.

Damaged or incorrect items

If your order arrives damaged or you receive the wrong item, please tell us as soon as possible and include photos of the packaging and product. We will work with you and the manufacturer or carrier to review the issue and arrange a suitable resolution.

Have questions about returns for this product
Email support@thermalsanctum.com or call +1 (302) 219 4061. Our team is happy to help before or after you order.

This section is a general overview only. Full details, including any time limits and fees that may apply, are set out in our Returns and refunds policy.

Best price promise

Best price promise

We want you to feel confident you are receiving excellent value.

Price match review

If you find the same item available from another authorized retailer, let us know before you purchase. Our team can review the advertised price and, where eligible, work to match it.

Authorized dealer pricing

Thermal Sanctum sells products supplied by manufacturers and authorized distributors. Pricing is set in accordance with brand policies to help ensure authenticity, warranty protection and safe delivery.

What we consider

When reviewing a price match request, we consider factors such as availability, identical model and configuration, retailer authorization status, and any shipping or handling charges included in the offer you found.

How to submit a request

Email our team with a link or written quote for the lower advertised price, along with your contact details. We will review the information and reply promptly with next steps.

Have a price match question
Email support@thermalsanctum.com or call +1 (302) 219 4061.

Price match requests are reviewed on a case-by-case basis and must meet brand and dealer policy requirements. Some items or promotions may not be eligible. Full details are available upon request.

Thermal Sanctum

Harvia 50 Series 40kW
Wood Burning Sauna Stove
for Large Sauna Rooms

A powerful wood burning stove crafted for expansive sauna rooms,

delivering deep radiant heat, smooth steam, and the timeless

warmth of traditional Finnish craftsmanship. Designed for large

group sessions and enduring performance.

Why Customers Choose the Harvia 50 Series
 

Powerful wood burning heat ideal for very large sauna rooms

Even thermal distribution for consistent wellness sessions

High stone capacity for strong, smooth steam

Thick steel construction engineered for longevity

Premium stainless steel construction for durability.

Why Customers Choose HUUM Drop
 

Technical Details
 

Power Rating

40 KW

Voltage/Fuel

Wood Burning

Sauna Room Size

706 - 1766 cu ft

Stone Capacity

Up to 264 Ibs (6 boxes required, sold separately)

Dimensions (W x D x H)

41.3" × 20" x 28.3"

Net Weight

428 Ibs

Construction

Steel

Safety Distances

• Front (non combustible): 20"• Sides (non combustible): 4"• Back (non combustible): 4"• Ceiling: 47"

Room Minimum Height

89"

Warranty

Limited 5-Year Warranty

What is Included in Your Package

Harvia 50 Series Stove Package Includes:

Wood Burning Stove

Installation and Operation Manual

Installation and Operation Manual

Title

Manuals and Documents

Installation and Operation Manual

Stone requirements

Safety Sheet

Them

Support

Real specialists who respond quickly
and guide you with care

Slow replies, automated
systems, no real help

Order Processing

Orders confirmed and processed fast
with real time tracking

Orders sit in queues with
unclear updates

Shipping

Fast and fully trackable shipping
nationwide

Basic shipping with long
delivery windows

Pricing

Transparent pricing and price match
support

Hidden fees and unclear
terms

Returns and
Warranty

Clear returns and strong warranty
protection

Complicated and frustrating
return processes

Frequently asked questions

What size sauna is the Harvia 50 Series designed for?

This powerful 40kW wood burning stove is built for large sauna rooms, covering 706 to 1766 cubic feet. It is ideal for spacious home installations, commercial saunas, or group settings.

How many stones does this stove require?

The Harvia 50 Series requires 264 lbs of sauna stones (approximately six boxes of AC3020 stones). The high stone capacity ensures steady heat and rich, heavy steam.

What kind of heat experience does this stove provide?

With its large stone bed and 40kW output, the stove produces:

- Strong, consistent heat suitable for large spaces

- Abundant, soft steam when water is applied

- Long lasting warmth even during extended sessions

Is this stove suitable for group or commercial use?

Yes. The Harvia 50 Series was created specifically for large groups, spas, and spacious private saunas. Its output and durability make it ideal for frequent use.

What materials is the stove made from?

The stove features a steel construction in a modern black finish, designed for longevity and safe performance in high heat environments.

Where is the Harvia 50 Series manufactured?

The stove is designed, engineered, and made in Finland, the global leader in sauna stove craftsmanship.

Does the stove come with stones included?

No. Stones are sold separately. Harvia recommends using AC3020 sauna stones, which are designed to handle high heat and produce high quality steam.

Thermal Sanctum

Harvia 50 Series 40kW Wood Burning Sauna Stove for Large Sauna Rooms

A powerful wood burning stove crafted for expansive sauna rooms, delivering deep radiant heat, smooth steam, and the timeless warmth of traditional Finnish craftsmanship. Designed for large group sessions and enduring performance.

Why Customers Choose the Harvia 50 Series

Powerful wood burning heat ideal for very large sauna rooms

Even thermal distribution for consistent wellness sessions

High stone capacity for strong, smooth steam

Thick steel construction engineered for longevity

Designed for large groups and commercial scale spaces

Technical Details

Power Rating

40 KW

Voltage/Fuel

Wood Burning

Sauna Room Size

706 - 1766 cu ft

Stone Capacity

Up to 264 Ibs (6 boxes required, sold separately

Construction

Steel

Dimensions (H x W x D)

41.3" × 20" x 28.3"

Net Weight

428 Ibs

Safety Distances

• Front (non combustible): 20"
• Sides (non combustible): 4"
• Back (non combustible): 4"
• Ceiling: 47"

Room Minimum Height

89"

Warranty

Manufacturer Warranty

What is Included in Your Package

Harvia 50 Series Stove Package Includes:

Wood Burning Stove

Installation and Operation Manual

Manuals and Documents

Installation and Operation Manual

Stone requirements

Safety Sheet

Them

Customer Support

Real specialists who respond quickly and guide you with care

Slow replies, automated
systems, no real help

Order Processing

Orders confirmed and processed fast with real time tracking

Orders sit in queues with
unclear updates

Shipping

Fast and fully trackable shipping
nationwide

Basic shipping with long delivery windows

Pricing

Structure

Transparent pricing and price match
support

Hidden fees and unclear terms

Returns & Warranty

Clear returns and strong warranty
protection

Complicated and frustrating
return processes

Frequently asked questions

What size sauna is the Harvia 50 Series designed for?

This powerful 40kW wood burning stove is built for large sauna rooms, covering 706 to 1766 cubic feet. It is ideal for spacious home installations, commercial saunas, or group settings.

How many stones does this stove require?

The Harvia 50 Series requires 264 lbs of sauna stones (approximately six boxes of AC3020 stones). The high stone capacity ensures steady heat and rich, heavy steam.

What kind of heat experience does this stove provide?

With its large stone bed and 40kW output, the stove produces:

- Strong, consistent heat suitable for large spaces

- Abundant, soft steam when water is applied

- Long lasting warmth even during extended sessions

Is this stove suitable for group or commercial use?

Yes. The Harvia 50 Series was created specifically for large groups, spas, and spacious private saunas. Its output and durability make it ideal for frequent use.

What materials is the stove made from?

The stove features a steel construction in a modern black finish, designed for longevity and safe performance in high heat environments.

Where is the Harvia 50 Series manufactured?

The stove is designed, engineered, and made in Finland, the global leader in sauna stove craftsmanship.

Does the stove come with stones included?

No. Stones are sold separately. Harvia recommends using AC3020 sauna stones, which are designed to handle high heat and produce high quality steam.