Description
The SaunaLife Model S4N is a wood-fired soaking vessel engineered for rapid thermal performance and operational efficiency. This six-person SOAK-Series unit features a fiberglass basin with ergonomic contours and a durable spruce exterior, arriving pre-assembled for immediate installation. Its corrugated firebox incorporates a secondary heat-recovery chamber that minimizes wood consumption by approximately 50% while achieving 40°F-to-95°F heating in 1.5 to 2 hours—industry-leading speed for wood-fired systems. Dual-channel circulation ensures uniform temperature distribution, while superheated air trapped between the fiberglass and exterior wood layers amplifies heating efficiency. The design requires no electrical infrastructure. Built in Northern Europe with meticulous attention to thermal dynamics, the Model S4N balances quick warm-up capability with sustained fuel economy for year-round outdoor use.
Features
Model S4N Outdoor Wood-Burning Hot Tub
- Thermo-Spruce materials (lasts up to 2X longer than Cedar)
- Luxury outdoor wood-burning hot tub
- Designed for outdoor ergonomic hot tub bathing experiences
- Arrives fully assembled and no electricity required (eco-friendly)
- Spacious interior holds over 304 gallons of pure water bathing pleasure
- Thick dark grey contoured fiberglass lining provides enhanced bather comfort
- Stainless steel wood-burning heater utilizes dual heat compartments for unmatched efficiency
- Rapid response heat-up time prepares water to ideal temperatures in under 2-hours
- Wood-burning heater constructed of 304 stainless steel
- Polished stainless-steel chimney with protection
- Durable Thermo-Spruce tub surround (1.65” thick), painted black
- Superior thermal resistance (R-value) to retain heat
- Matching Thermo-Spruce wood steps for easy access
- Extra thick steel reinforced foam cover, folds for ease of removal and storage
- Dark grey marine grade vinyl cover exterior
- Integrated hot tub drainage tap
- Up to 6 bathers
- Exterior dimensions – 79"" diameter and 37” high
- Interior dimensions – 71"" diameter and 33” deep
- Designed by SaunaLife and handcrafted in Northern Europe
Thermo-Spruce Material Advantages
- Lasts up to 2X longer than Cedar
- Superior thermal resistance (R-value)
- Eco-friendly
- Ideal for water use (stable)
Includes
Model S4N Outdoor Wood-Burning Hot Tub
- Fully assembled hot tub
- Steps
- Insulated cover
- Drainage with tap
- Polished stainless-steel chimney
- Chimney cap
Specifications
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Model
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Model S4N
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Material
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Thermo-Spruce
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Interior Dimensions
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71"" Diameter x 33""D
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Exterior Dimensions
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79"" Diameter x 37""H
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Water Capacity
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304 Gallons
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Product Weight when filled
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3064 lbs
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Stove Dimensions
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19.8""L x 11.8""W x 13.1""H
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Chimney Dimensions
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95""H x 4.7"" Diameter
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Maximum Wood Length
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16""
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Maximum Temperature
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106F
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Shipping Dimensions
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91""L x 46""W x 87""H
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Shipping Weight
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595 lbs
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Technical
Model S4N Installation Manual
Model S4N Diagram
SaunaLife Sauna Care Guide
SaunaLife Sauna Warranty
