Harvia M3 16.5kW Wood-Burning Sauna Stove
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Harvia | Wood-burning sauna stoves
Harvia M3 Wood-Burning Sauna Stove
The Harvia M3 (WKM3) combines a classic graphite-black steel body with traditional wood-fired warmth. A stainless steel airflow spoiler complements its traditional design. Its 16.5 kW output is designed for sauna rooms of approximately 212 to 459 cu ft, while the glass fire door adds an inviting glow.
Made in Finland, this compact floor-mounted stove offers authentic löyly and timeless style for a home sauna or cabin retreat.
Key Features
Traditional Wood-Fired Heat
Enjoy the firelight and hands-on ritual of tending a wood-burning sauna stove.
Visible Firelight
The glass door brings the glow of the fire into your sauna while allowing you to observe the burn.
Efficient Air Circulation
The M3 is designed to deliver even warmth and a comfortable traditional sauna experience.
Compact Black Steel Design
A clean, understated appearance complements rustic cabins and modern home wellness spaces.
Required Components (Sold Separately)
- Sauna stones: Approved 10 to 15 cm stones, such as Harvia AC3020. The maximum stone load is 30 kg (approximately 66.2 lb).
- Stone ordering: Two 44 lb AC3020 boxes provide 88 lb for selection. Load according to the manual and retain unused stones as spares.
- Chimney / flue: A compatible system selected for the stove, building, and applicable installation requirements.
- Floor and wall protection: Protective components where required by your installation.
What's Included
- Harvia M3 WKM3 wood-burning sauna stove
- Glass stove door and ash box
- Installation & operation instructions
- 2-Year Limited Consumer Warranty, subject to manufacturer terms
Specifications
| Model / Item Number | M3 / WKM3 |
|---|---|
| Power Output | 16.5 kW |
| Fuel | Dry firewood |
| Recommended Room Volume | 212 to 459 cu ft (6 to 13 m³) |
| Maximum Stone Capacity | 66.2 lb (30 kg); stones sold separately |
| Stone Size | 10 to 15 cm (approximately 4 to 6″) |
| Dimensions (W × D × H) | 15.35″ × 16.93″ × 27.95″ (390 × 430 × 710 mm) |
| Net Weight | Approximately 99.2 lb (45 kg), without stones |
| Body / Door | Graphite-black steel body, glass door, and stainless steel airflow spoiler |
| Installation | Floor-mounted |
| Flue Connection | 115 mm; top or rear connection |
| Maximum Firewood Length | 35 cm (approximately 13.8″), per installation manual |
| Certification / Origin | CE and EAC / Made in Finland |
| Warranty | 2-Year Limited Consumer Warranty; manufacturer terms apply |
Installation & Use
- Review effective room volume, including glass, masonry, and other uninsulated surfaces.
- Plan the chimney route, combustion air, floor protection, and stove clearances before installation.
- Follow Harvia's first-firing procedure before normal sauna use.
- Use dry, untreated firewood and maintain the ash box and chimney according to the manual.
Pro Tip
Rinse stones before loading and keep the arrangement open enough for airflow. Inspect for cracking and settling during regular maintenance, and replace deteriorated stones instead of packing more stones into the cavity.
Shipping & Support
Contact My Luxury Home Spa for current availability and delivery options within the continental USA. Our team can help review stove sizing, stone selection, and chimney accessories.
Why Buy from My Luxury Home Spa?
Shop genuine Harvia stoves and accessories with knowledgeable support for sizing, stone selection, and installation planning, plus secure checkout and manufacturer warranty assistance.
Manuals & Warranty
Plan Your Wood-Fired Sauna
Share your sauna dimensions, wall materials, and planned chimney route for help reviewing stove size and accessories.
Why Buy From Us
Shop trusted wellness brands with authorized dealer support and help choosing the right equipment.
Help understanding coverage and coordinating warranty inquiries. Coverage and registration requirements vary by brand and product.
Personal guidance from My Luxury Home Spa before, during, and after your purchase.
Ordering & Product Support FAQs
Shipping & Delivery
Free standard shipping is available on eligible products and destinations. Large equipment generally ships by freight with curbside delivery unless another service is expressly included.
White-glove placement, assembly, or other upgraded services may be available for select products and locations at an additional cost. Availability, scope, and pricing must be confirmed before booking. Processing, transit, and delivery scheduling vary by product and destination.
Review our Shipping Policy, or contact us before ordering if you need placement assistance or delivery by a particular date.
Warranty
Manufacturer warranty coverage varies by brand, model, component, and intended use. Review the product’s warranty documentation for coverage periods, exclusions, and any registration requirements. Commercial use may have different terms.
For warranty assistance, contact My Luxury Home Spa with your order number, model, serial number, and a description of the issue. We can help coordinate the next steps with the manufacturer or supplier.
Returns
Return eligibility, deadlines, fees, and shipping responsibilities vary by product. Some products have shorter return windows or specific restrictions. Eligible change-of-mind returns generally require unused equipment in its original packaging and written authorization before shipment.
Review our Return & Refund Policy and any product-specific terms before purchasing. Contact us promptly about damaged, defective, or incorrect items; these are reviewed separately from change-of-mind returns.
Installation & Power
Electrical, assembly, foundation, ventilation, drainage, and clearance requirements vary by product. Check the exact model’s specifications and manufacturer instructions before ordering or preparing your space.
Use qualified professionals where required. Delivery or optional placement service does not include electrical wiring, plumbing, site preparation, or full installation unless expressly included in your written service scope. Contact us if you need help locating the appropriate product documentation.
