Description
The SaunaLife Model S4B delivers premium wood-fired soaking in a pre-assembled package designed for immediate enjoyment. This SOAK-Series hot tub accommodates up to six people in an ergonomically contoured fiberglass basin with easy-to-maintain interior surfaces and weather-resistant spruce exterior construction. Engineering excellence sets the Model S4B apart. Its self-cleaning corrugated stove with secondary heat-recovery chamber reduces wood consumption by up to 50% while heating 304 gallons from 40°F to 95°F in just 1.5 to 2 hours—the fastest performance in wood-fired hot tub category. The dual-channel water circulation system equalizes temperature distribution, while superheated air between the fiberglass and wood layers accelerates the heating cycle. No electrical connection required. Crafted in Northern Europe and optimized for efficiency, the Model S4B combines rapid heat-up times with sustained fuel economy, making it an intelligent choice for year-round backyard relaxation.
Features
Model S4B 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 S4B 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 S4B
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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 S4B Installation Manual
Model S4B Diagram
SaunaLife Sauna Care Guide
SaunaLife Sauna Warranty
