Harvia M3 SL 16.5kW Wood Burning Sauna Stove w/ Exterior Feed | WKM3SL
Usually Ships Out: 2-4 Business Days
Once an order is processed, packed, and shipped, we will send tracking information.
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Harvia M3 SL Series 16.5kW Wood Burning Sauna Stove w/ Exterior Feed
The Harvia M3 SL model is designed for people who want to conveniently heat their sauna from another room or outside the building. The opening direction of the door can be changed, making these wood burning heaters even easier to use.
The M3 SL is placed in the sauna room and your firewood is loaded into the fire chamber from the other side of the wall. The M3 SL will give your small or medium sauna great steam. While someone is enjoying the heat in the sauna room another person can be relaxing in the next room while appreciating the glow of the flames behind the cast-iron-framed glass door.
Features
- For sauna rooms from 212 to 459 cu. ft.
- Heats two rooms
- Sauna heater and fireplace-in-one
- 16.5 kW
- 66 pound stone capacity (stones sold separately)
- Cast-iron-framed glass door
- Floor Installation with adjustable feet
- Stove pipe connections on top and upper rear
- Ash Box
- Designed, engineered, and made in Finland
- Limited 2-year warranty
Specifications
Specifications:
Kilowatt Rating: 16.5 KW
Firewood Specifications:
- Maximum Length: 13.7" (350mm)
Cubic Feet Capacity:
- Minimum: 212 CF
- Maximum: 459 CF
Minimum Room Height: 75.4" (1915mm)
Weight:
- Heater Weight: 99 lbs
- Shipping Weight (with Sauna Stones): 187 lbs
Dimensions:
- Width: 15.3" (390mm)
- Depth: 25" (640mm)
- Height: 28" (715mm)
Safety Distances:






Includes
Included:
- Sauna Stove
- Installation and operation manual
- 2 year manufacturers warranty
Add-Ons
- 2 boxes of Harvia stones 66 lbs
- Harvia Pipe Adaptor (4.5" Euro -> 6" USA)
- Protective Bedding (to protect combustible floor material)
- Protective Sheath Panel (reduces safety distance to combustible materials)
- Chimney Kits (everything you need to safely exhaust)
Manual
Order Processing: Once you place your order, you'll receive an order confirmation email. Please allow 1-3 business days for processing. If there are any unexpected delays, we’ll reach out to you immediately.
Shipping Methods:
- Standard Shipping: Small items ship with UPS, FedEx, or USPS. They usually do not need a delivery signature.
- Freight Shipping: Large or heavy items ship with a box truck to your curbside or loading dock. They will schedule a delivery appointment when the shipment is in your area.
Delivery Timeline:
- Processing: Please allow 1-3 business days for us to process your order in our system.
- Handling Time: This product should ship out in days from the time it is processed.
- Transit Time: Ground orders take 1-5 business days. Freight shipments may take 3-10 business days, depending on your location.
- Delivery Appointment: For freight deliveries, the carrier will contact you to set a delivery time. Someone must be present to receive the delivery.
Receiving Your Shipment: Inspect your shipment for damage before signing the delivery receipt. For any issues, mark “DAMAGED, NEEDS REVIEW,” take photos, and contact us within 2-3 business days.
Warranty Information:
We’re an authorized dealer; all products include the original manufacturer’s warranty. See product details for coverage specifics.
Questions or a claim? Contact us or the manufacturer for assistance.
