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SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons)
SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons) – view 2
SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons) – view 3
SaunaLife

SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons)

Sale price$6,990.00

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Before you order

Water temperature
Up to 106°F
Outside dimensions
7' 5" dia. × 3' 5" H

Tub and plunge site, base and delivery

Specifications & sources
  • Outside dimensions: SaunaLife dealer specifications (printed as 89 × 40.2 in)
  • Anything not listed here, ask us rather than estimate it.
SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons)
SaunaLife Model S6B Wood-Burning Hot Tub – Black Thermo-Spruce (Up to 7 Persons) Sale price$6,990.00
Specifications
Attribute Details
Manufacturer SaunaLife
Model MODEL S6B
SKU SL-MODELS6B
Series SOAK Series
Capacity Up to 7 Bathers
Exterior Dimensions 89" Diameter x 40.2"H
Interior Dimensions 80.7" Diameter x 35.4"H
Water Capacity 436 Gallons
Maximum Temperature 105°F (recommended maximum)
Maximum Wood Length 13"
Stove Material 304 Stainless Steel
Exterior Material Thermo-Spruce (1.65" thick), Black Finish
Interior Liner Dark Grey Contoured Fiberglass
Chimney Height 106.3"
Product Weight (Filled) Not published by SaunaLife
Shipping Dimensions 93"W x 47.2"D x 94.5"H
Shipping Weight 728 lbs
Assembly Fully Assembled
Electrical Requirement None (Wood-Burning)
Origin Handcrafted in Northern Europe
Description

The SaunaLife Model S6B Wood-Burning Hot Tub delivers high-performance, off-grid soaking with a bold black Thermo-Spruce exterior.

Designed to accommodate up to seven bathers, the S6B combines modern aesthetics with advanced wood-fired heating efficiency. This outdoor hot tub is crafted from thermally enhanced spruce. SaunaLife states that its Thermo-Spruce exterior lasts 2X longer than cedar.

At its core is a professional-grade 304 stainless steel dual-compartment wood-burning heater engineered to reduce wood consumption while dramatically improving heat transfer efficiency. The advanced stove system allows the S6B to heat 436 gallons of water from 40°F to 95°F in approximately 1.5–2 hours — significantly faster than traditional wood-fired hot tubs.

No electrical connections. No pumps. No complex systems. Just pure, efficient wood-fired performance with modern design appeal.

Features

  • Luxury outdoor wood-burning hot tub

  • Seats up to 7 bathers

  • 436-gallon water capacity

  • Black Thermo-Spruce exterior

  • 1.65” thick durable tub surround

  • Also offered in a natural finish (Model S6N)

  • Dark grey contoured fiberglass liner for comfort

  • Dual stainless steel heater compartments for enhanced efficiency

  • 304 stainless steel wood stove construction

  • Rapid heat-up time (1.5–2 hours)

  • Self-cleaning corrugated stove design

  • Polished stainless steel chimney with protective cap

  • Extra-thick insulated foam cover (marine-grade vinyl exterior)

  • Matching Thermo-Spruce steps included

  • Integrated drainage tap

  • Fully assembled upon delivery

  • No electricity required

What’s Included

  • Fully Assembled Model S6B Wood-Burning Hot Tub

  • Integrated 304 Stainless Steel Wood Stove

  • Polished Stainless Steel Chimney

  • Chimney Cap

  • Insulated Folding Cover

  • Thermo-Spruce Steps

  • Drainage Tap

Required for Operation

  • Firewood (up to 16" length)

  • Outdoor water source

  • Proper drainage area

  • Stable, level installation surface

Documentation

Manual Links:

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Specifications
Attribute Details
Manufacturer SaunaLife
Model MODEL S6B
SKU SL-MODELS6B
Series SOAK Series
Capacity Up to 7 Bathers
Exterior Dimensions 89" Diameter x 40.2"H
Interior Dimensions 80.7" Diameter x 35.4"H
Water Capacity 436 Gallons
Maximum Temperature 105°F (recommended maximum)
Maximum Wood Length 13"
Stove Material 304 Stainless Steel
Exterior Material Thermo-Spruce (1.65" thick), Black Finish
Interior Liner Dark Grey Contoured Fiberglass
Chimney Height 106.3"
Product Weight (Filled) Not published by SaunaLife
Shipping Dimensions 93"W x 47.2"D x 94.5"H
Shipping Weight 728 lbs
Assembly Fully Assembled
Electrical Requirement None (Wood-Burning)
Origin Handcrafted in Northern Europe
Description

The SaunaLife Model S6B Wood-Burning Hot Tub delivers high-performance, off-grid soaking with a bold black Thermo-Spruce exterior.

Designed to accommodate up to seven bathers, the S6B combines modern aesthetics with advanced wood-fired heating efficiency. This outdoor hot tub is crafted from thermally enhanced spruce. SaunaLife states that its Thermo-Spruce exterior lasts 2X longer than cedar.

At its core is a professional-grade 304 stainless steel dual-compartment wood-burning heater engineered to reduce wood consumption while dramatically improving heat transfer efficiency. The advanced stove system allows the S6B to heat 436 gallons of water from 40°F to 95°F in approximately 1.5–2 hours — significantly faster than traditional wood-fired hot tubs.

No electrical connections. No pumps. No complex systems. Just pure, efficient wood-fired performance with modern design appeal.

Features

  • Luxury outdoor wood-burning hot tub

  • Seats up to 7 bathers

  • 436-gallon water capacity

  • Black Thermo-Spruce exterior

  • 1.65” thick durable tub surround

  • Also offered in a natural finish (Model S6N)

  • Dark grey contoured fiberglass liner for comfort

  • Dual stainless steel heater compartments for enhanced efficiency

  • 304 stainless steel wood stove construction

  • Rapid heat-up time (1.5–2 hours)

  • Self-cleaning corrugated stove design

  • Polished stainless steel chimney with protective cap

  • Extra-thick insulated foam cover (marine-grade vinyl exterior)

  • Matching Thermo-Spruce steps included

  • Integrated drainage tap

  • Fully assembled upon delivery

  • No electricity required

What’s Included

  • Fully Assembled Model S6B Wood-Burning Hot Tub

  • Integrated 304 Stainless Steel Wood Stove

  • Polished Stainless Steel Chimney

  • Chimney Cap

  • Insulated Folding Cover

  • Thermo-Spruce Steps

  • Drainage Tap

Required for Operation

  • Firewood (up to 16" length)

  • Outdoor water source

  • Proper drainage area

  • Stable, level installation surface

Documentation

Manual Links: