The SaunaLife SOAK-Series Model S4 offers the ultimate combination of wood-burning hot tub luxury, efficiency, and durability, perfect for backyard relaxation. Accommodating up to six people, this ergonomically designed tub features a spacious fiberglass interior that is easy to clean and a weather-resistant Thermo-Spruce exterior that lasts up to 2X longer than cedar.
Expertly engineered in Northern Europe, the Model S4 boasts a self-cleaning corrugated stove with dual heat compartments for faster heating and reduced wood consumption. The innovative design ensures even water temperature distribution and heats 304 gallons of water to 95°F (35°C) in as little as 1.5–2 hours. Fully assembled and eco-friendly, this hot tub is ready to transform your outdoor living space.
Key Features
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Thermo-Spruce Construction:
- Lasts up to 2X longer than cedar and offers superior thermal resistance
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Ergonomic Fiberglass Interior:
- Dark grey contoured lining for enhanced comfort
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Eco-Friendly, No Electricity Required:
- Wood-burning operation for sustainable, off-grid use
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Stainless Steel Heater:
- Durable 304 stainless steel stove with dual heat compartments for unmatched efficiency
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Rapid Heat-Up Time:
- Heats 304 gallons of water to ideal temperatures in under 2 hours
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Spacious Capacity:
- Comfortably fits up to 6 bathers with a 304-gallon water capacity
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Complete Assembly:
- Arrives fully assembled with steps, cover, and drainage tap for immediate use
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Compact Dimensions:
- Exterior – 79″ diameter and 37” high;
- Interior – 71″ diameter and 33” deep
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Elegant Design:
- Polished stainless steel chimney with protective cap and dark grey marine-grade vinyl cover
Package Contents
- Fully assembled Model S4B Outdoor Wood-Burning Hot Tub
- Thermo-Spruce steps for easy access
- Extra thick insulated cover with foldable design
- Integrated drainage tap
- Polished stainless steel chimney and chimney cap
Specifications
| Model | Model S4B |
|---|---|
| Material | Thermo-Spruce |
| Interior Dimensions | 71″ Diameter x 33″D |
| Exterior Dimensons | 79″ Diameter x 37″H |
| Water Capacity | 304 Gallons |
| Product Weight when filled | 3064 lbs |
| Stove Dimensions | 19.8″L x 11.8″W x 13.1″H |
| Chimney Dimensions | 95″H x 4.7″ Diameter |
| Maximum Wood Length | 16″ |
| Maximum Temperature | 106F |
| Shipping Dimensions | 91″L x 46″W x 87″H |
| Shipping Weight | 595 lbs |
















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