Harvia Legend 150 SL Wood Burning Sauna Stove

The Harvia Legend 150 SL Wood Burning Sauna Stove is a premium wood-fired sauna heater designed to deliver authentic Finnish sauna performance with the added convenience of external firewood loading. Built for true sauna enthusiasts, this durable floor-standing stove combines rugged black steel construction, generous stone capacity, and traditional craftsmanship to create a powerful and immersive sauna experience for home, cabin, and outdoor sauna settings.

Designed for sauna rooms ranging from 212 to 459 cubic feet, the Harvia Legend 150 SL produces dependable 16 kW heating performance and soft, lasting steam through its large stone chamber. Its external feed system allows firewood to be loaded from outside the sauna room, helping keep the bathing area cleaner and more peaceful while maintaining a warm, uninterrupted sauna environment.

Crafted with a modern cast-iron glass door, adjustable legs, and flexible top or rear flue outlet options, this Finnish-made stove is engineered for both durability and installation versatility. With its advanced grate fire chamber, 5 mm fire chamber cover, and high thermal mass, the Harvia Legend 150 SL blends old-world sauna tradition with practical modern engineering for a reliable and satisfying wood-burning sauna experience.

Key Features

• External Firewood Feeding: SL model allows loading from outside the sauna for cleaner and more convenient operation.
• Authentic Wood-Burning Sauna Heat: Delivers traditional sauna warmth and atmosphere without requiring electricity.
• 16 kW Heating Output: Efficiently heats sauna rooms from 212 to 459 cubic feet.
• Durable Black Steel Frame: Built for strong heat retention, lasting durability, and bold visual appeal.
• Large Stone Capacity: Holds up to 264 lbs of sauna stones for soft, consistent steam and excellent heat retention.
• Cast-Iron Glass Door: Adds a warm firelight glow that enhances the sauna atmosphere.
• Modern Grate Fire Chamber: Designed to optimize combustion airflow for efficient burning performance.
• Adjustable Legs: Makes installation easier and allows stable placement on uneven surfaces.
• Flexible Flue Connections: Supports both top and rear flue outlet installation options.
• Finnish Craftsmanship: Built for dependable traditional sauna performance with quality engineering.
• 2-Year Consumer Warranty: Includes manufacturer warranty coverage for added confidence.

Ideal For

• Traditional wood-burning sauna installations.
• Medium-sized home or cabin sauna rooms.
• Outdoor saunas and rustic wellness spaces.
• Users seeking external-load wood stove convenience.
• Sauna owners wanting authentic Finnish heat and ambiance.

Specifications

• Model: Legend 150SL.
• SKU: WK150LD.
• Heater Type: Wood Burning Sauna Stove.
• Fuel Type: Wood.
• Power Output: 16 kW.
• Sauna Room Size: 212 to 459 cubic feet.
• Stone Capacity: 264 lbs.
• Stone Requirement: 7 Boxes of Sauna Stones.
• Dimensions (W x D x H): 21″ x 28″ x 30″ + 7 7/8″ Collar.
• Weight (Heater Only): 135 lbs.
• Shipping Weight (with Stones): 399 lbs.
• Fire Chamber Cover Thickness: 5 mm.
• Flue Outlet Diameter: 115 mm.
• Flue Connection: Top or Rear.
• Installation: Floor-Standing with Adjustable Legs.
• Warranty: 2-Year Consumer Warranty.

Included Contents

• Harvia Legend 150SL Wood Burning Sauna Stove.
• Cast-Iron Glass Fire Door.
• Adjustable Legs for Level Installation.
• Installation & User Manual.
• 2-Year Warranty Documentation.

Manuals & Resources

Operations Manual, Chimney Installation Manual, Product Video 1, Product Video 2

Health & Safety Notice

This product is designed for relaxation, recovery, and general wellness use. It is not intended to diagnose, treat, cure, or prevent any medical condition. Consult your healthcare provider before use if you have medical concerns.

Returns are subject to a 25% restocking fee. See our Return Policy for full details.

Shipping Information

Freight Shipping Included. Your Harvia Cauldron 50 WP500L Wood Burning Sauna Water Heater will be securely packaged and shipped on a wooden pallet for safe transport. Delivery is scheduled by appointment and includes curbside drop-off by a freight carrier with limited on-site assistance. Estimated delivery is within 3–10 business days.

Before shipping, the delivery team may contact you to confirm delivery details and identify any site-specific conditions that could affect the process.