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SaunaLife Model S1 Soak Series

A cold plunge tub without a chiller from SaunaLife for outdoor use. Every figure below is SaunaLife's own, linked to where it is published.

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Specifications published by SaunaLife (8)
Indoor or outdoor
outdoorModel S1 Soak Series - SaunaLife
Outside dimensions
40" Diameter x 41.3"Model S1 Soak Series - SaunaLife
Inside dimensions
34.4” Diameter x 36” DeepModel S1 Soak Series - SaunaLife
Weight
Net weight 143 lbsSaunaLife: Soak Series S1 Installation Manual REV1.0 01 25 (PDF)
Assembly
Arrives fully assembledModel S1 Soak Series - SaunaLife
Material
Thick contoured fiberglass lining; Thermo-Pine materialsModel S1 Soak Series - SaunaLife
Water capacity
124 Gallon water capacityModel S1 Soak Series - SaunaLife
Warranty
service for two years for residential applications after delivery to the original retail purchaserSaunaLife: SaunaLife Warranty (PDF)

As published by SaunaLife, read on 2026-09-29. Makers revise their products; check SaunaLife's current specification before you buy.

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Compare it with

Model S1 Soak Series vs Baltic Plunge

Side by side with the Dundalk LeisureCraft Baltic Plunge. These cold plunge tubs without a chiller hold amounts of water, by their makers' figures, within 30% of each other.

Model S1 Soak Series vs 500

Side by side with the Ice Barrel 500. The makers of both cold plunge tubs without a chiller state water capacities within 30% of each other.

Model S1 Soak Series vs Alaskan Plunge Tub

Side by side with the Redwood Outdoors Alaskan Plunge Tub. Both are cold plunge tubs without a chiller, and the water capacities their makers state are within 30% of each other.

Other cold plunge tubs without a chiller

Ice Barrel 500

Ice Barrel · cold plunge tub without a chiller · 94 gallons · for indoor or outdoor use

Ice Barrel 300

Ice Barrel · cold plunge tub without a chiller · 77 gallons

Model S1 Soak Series: questions answered from SaunaLife's specification

How much water does the Model S1 Soak Series hold?

SaunaLife lists: 124 Gallon water capacity.

Source: Model S1 Soak Series - SaunaLife

Is the Model S1 Soak Series for indoor or outdoor use?

SaunaLife lists it as: outdoor.

Source: Model S1 Soak Series - SaunaLife

How much floor space does the Model S1 Soak Series need?

SaunaLife gives the outside dimensions as: 40" Diameter x 41.3".

Source: Model S1 Soak Series - SaunaLife

How much does the Model S1 Soak Series weigh?

SaunaLife lists: Net weight 143 lbs.

Source: SaunaLife: Soak Series S1 Installation Manual REV1.0 01 25 (PDF)

What warranty does SaunaLife give on the Model S1 Soak Series?

SaunaLife lists: service for two years for residential applications after delivery to the original retail purchaser.

Source: SaunaLife: SaunaLife Warranty (PDF)

More from SaunaLife: all SaunaLife products on Saunakivi.

Sources

  1. Model S1 Soak Series - SaunaLife — SaunaLife
  2. SaunaLife: Soak Series S1 Installation Manual REV1.0 01 25 (PDF) — SaunaLife
  3. SaunaLife: SaunaLife Warranty (PDF) — SaunaLife
  4. SaunaLife: immersion tubs — SaunaLife