SaunaLife S4B Wood-Fired Hot Tub | 6-Person Off-Grid Outdoor Soaking Tub, Black
SaunaLife SOAK-Series Model S4B — 6-Person Wood-Fired Outdoor Hot Tub, Black
- Authorized SaunaLife Retailer
- Manufacturer Warranty Included
- Secure Checkout
- U.S.-Based Customer Support
- Shipping: Flat-rate freight shipping of $950 applies within the contiguous United States (48 states). Delivery is scheduled by appointment and is typically curbside. Shipping charges are shown before purchase.
All the off-grid power of the S4N — with a bold black Thermo-Spruce exterior that makes a statement in any backyard. The SaunaLife SOAK-Series Model S4B is a fully assembled, wood-fired outdoor hot tub with a 304-gallon capacity and room for up to six bathers. No electricity, no plumbing contractor, no waiting — just fill it, fire it, and soak. The thermally modified Thermo-Spruce exterior is built to weather beautifully outdoors, while the smooth fiberglass interior keeps maintenance simple year-round.
- S4N: Natural Thermo-Spruce finish — warm, classic wood aesthetic
- S4B: Black Thermo-Spruce finish — modern, bold outdoor look
Overview
- Outdoor wood-burning hot tub for residential use
- Designed for up to 6 bathers
- Black Thermo-Spruce exterior construction
- Fiberglass interior for durability and maintenance
- Integrated stainless steel wood-burning heater
- No electrical connection required
- Delivered fully assembled
Key Features
- Wood-burning heating system with stainless steel construction
- Natural water circulation during heating
- Black Thermo-Spruce exterior with weather-resistant properties
- Contoured fiberglass interior seating
- Insulated cover for heat retention
- Integrated drainage tap
- Matching Thermo-Spruce access steps included
Construction & Design Details
The Model S4B is constructed with thermally modified Thermo-Spruce, selected for outdoor use due to its dimensional stability and resistance to moisture exposure. The exterior finish is black for a modern outdoor appearance.
The interior is lined with fiberglass for a smooth, non-porous surface. The integrated stainless steel wood-burning heater is designed to support consistent water heating during operation.
Specifications
- Model: S4B
- SKU: SL-MODELS4B
- GTIN: 810127971110
- Material: Black Thermo-Spruce Exterior with Fiberglass Interior
- Capacity: Up to 6 bathers
- Water Capacity: 304 gallons
- Exterior Dimensions: 79" Diameter x 37" H
- Interior Dimensions: 71" Diameter x 33" H
- Maximum Temperature: 106°F
- Shipping Dimensions: 91" W x 46" D x 87" H
- Shipping Weight: 595 lbs
What's Included
- Fully assembled hot tub
- Integrated stainless steel wood-burning heater
- Insulated cover
- Thermo-Spruce access steps
- Drainage system with tap
- Chimney and chimney cap
- Installation instructions
Site Preparation
- Requires a level and stable outdoor surface
- Concrete pad, pavers, or reinforced deck recommended
- No electrical connection required
- Maintain chimney clearance and ventilation
- Follow local regulations for wood-burning appliances
Manuals, Warranty & Guides
Warranty & Authorized Dealer
Prime Regeneration is an authorized retailer of SaunaLife products. Manufacturer warranty coverage applies.
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