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Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed
Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed
Harvia

Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed

Sale price$1,416.00
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Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed
Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed Sale price$1,416.00
Specifications
Brand Harvia
Model M3 SL
Series M Series
Power Output 16.5 kW
Primary Fuel Wood
Sauna Room Size 212 – 459 cu. ft.
Maximum Firewood Length 13.7" (350 mm)
Firewood Diameter 3 – 6" (80–150 mm)
Stone Capacity 66 lbs (2 Boxes – AC3020, Sold Separately)
Minimum Room Height 75.4" (1915 mm)
Heater Weight 99 lbs
Shipping Weight (with Stones) 187 lbs
Dimensions (W × D × H) 15.3" × 25" × 28"
Material Steel Construction with Cast-Iron Door Frame
Installation Type Floor-Mounted
Flue Connection Location Upper Connection
Safety Features Soot Opening for Easy Cleaning
Origin Designed & Manufactured in Finland

Description

Enjoy powerful, efficient heating and effortless convenience with the Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed — a beautifully engineered solution for those who want the authentic warmth of a Finnish sauna without the mess inside.

Designed to heat two rooms simultaneously, the M3 SL features an exterior feed system, allowing you to load wood from an adjoining space while keeping your sauna clean and serene. The cast-iron framed glass door offers a clear view of the flames, adding an elegant glow to your sauna ambiance while efficiently radiating heat.

With its 16.5kW output, this compact yet robust stove delivers consistent heat for sauna spaces between 212 and 459 cubic feet, providing rich steam and deep warmth throughout. Built from durable steel and finished with Harvia’s signature craftsmanship, it’s made to perform for decades.

Whether you’re upgrading your home wellness retreat or building a new sauna sanctuary, the M3 SL combines authentic design, functional innovation, and Harvia’s legendary reliability for an unmatched experience.

Features

  • Dual-Room Heating: Efficiently warms your sauna and adjoining space simultaneously.

  • Exterior Feed Design: Load firewood from outside your sauna for a cleaner, uninterrupted relaxation experience.

  • Powerful 16.5kW Output: Ideal for rooms between 212–459 cu. ft., providing fast and even heat distribution.

  • Durable Steel Construction: Built for longevity with premium heat-resistant materials.

  • Cast-Iron Glass Door: Adds traditional charm while offering a mesmerizing view of the fire.

  • Upper Flue Connection: Simplifies installation and optimizes exhaust flow.

  • Soot Opening for Maintenance: Keeps your stove performing efficiently with easy access cleaning.

  • Authentic Finnish Craftsmanship: Designed, engineered, and made in Finland — the global leader in sauna innovation.

What’s Included

  • Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed

  • Stove Door

  • Ash Box

  • Fire Chamber Extension

  • Installation & Operation Manual

Documentation

Manual Links:


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Specifications
Brand Harvia
Model M3 SL
Series M Series
Power Output 16.5 kW
Primary Fuel Wood
Sauna Room Size 212 – 459 cu. ft.
Maximum Firewood Length 13.7" (350 mm)
Firewood Diameter 3 – 6" (80–150 mm)
Stone Capacity 66 lbs (2 Boxes – AC3020, Sold Separately)
Minimum Room Height 75.4" (1915 mm)
Heater Weight 99 lbs
Shipping Weight (with Stones) 187 lbs
Dimensions (W × D × H) 15.3" × 25" × 28"
Material Steel Construction with Cast-Iron Door Frame
Installation Type Floor-Mounted
Flue Connection Location Upper Connection
Safety Features Soot Opening for Easy Cleaning
Origin Designed & Manufactured in Finland

Description

Enjoy powerful, efficient heating and effortless convenience with the Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed — a beautifully engineered solution for those who want the authentic warmth of a Finnish sauna without the mess inside.

Designed to heat two rooms simultaneously, the M3 SL features an exterior feed system, allowing you to load wood from an adjoining space while keeping your sauna clean and serene. The cast-iron framed glass door offers a clear view of the flames, adding an elegant glow to your sauna ambiance while efficiently radiating heat.

With its 16.5kW output, this compact yet robust stove delivers consistent heat for sauna spaces between 212 and 459 cubic feet, providing rich steam and deep warmth throughout. Built from durable steel and finished with Harvia’s signature craftsmanship, it’s made to perform for decades.

Whether you’re upgrading your home wellness retreat or building a new sauna sanctuary, the M3 SL combines authentic design, functional innovation, and Harvia’s legendary reliability for an unmatched experience.

Features

  • Dual-Room Heating: Efficiently warms your sauna and adjoining space simultaneously.

  • Exterior Feed Design: Load firewood from outside your sauna for a cleaner, uninterrupted relaxation experience.

  • Powerful 16.5kW Output: Ideal for rooms between 212–459 cu. ft., providing fast and even heat distribution.

  • Durable Steel Construction: Built for longevity with premium heat-resistant materials.

  • Cast-Iron Glass Door: Adds traditional charm while offering a mesmerizing view of the fire.

  • Upper Flue Connection: Simplifies installation and optimizes exhaust flow.

  • Soot Opening for Maintenance: Keeps your stove performing efficiently with easy access cleaning.

  • Authentic Finnish Craftsmanship: Designed, engineered, and made in Finland — the global leader in sauna innovation.

What’s Included

  • Harvia M3 SL 16.5kW Wood Burning Sauna Stove with Exterior Feed

  • Stove Door

  • Ash Box

  • Fire Chamber Extension

  • Installation & Operation Manual

Documentation

Manual Links: