The SaunaLife S2 Package is a complete 2-person hot and cold immersion system, the SaunaLife Model S2 Thermo-Pine tub paired with the AP-1 combination chiller/heater, sold together as one ready-to-go contrast therapy setup. Cold plunge down to 37°F, soak up to 107°F, all from the on-unit LCD touchscreen or the companion smartphone app. Available in two finishes, S2NC (Natural Thermo-Pine with dark grey fiberglass interior) and S2BC (Black Thermo-Pine with matching black fiberglass interior), you choose the look that fits your space, both versions ship with the same tub construction, the same chiller/heater, and the same warranty.
Premium Thermo-Pine, twice the lifespan of cedar
The S2 tub is crafted from durable Thermo-Pine wood with a 1.65" thick surround, a thermally treated Northern European softwood that lasts up to 2X longer than cedar. Choose the warm natural Thermo-Pine finish (S2NC) with dark grey fiberglass interior for a classic Scandinavian look, or the sophisticated black-stained finish (S2BC) with matching black interior and black steps for a modern, architectural feel. Both versions deliver identical thermal performance and durability outdoors, the thick surround provides exceptional insulation that keeps the water at temperature longer between AP-1 cycles.
Spacious 2-person interior, 200 gallons
Inside, a thick contoured fiberglass insert contours to your body for genuine comfort during longer sessions. The 200-gallon rectangular interior measures 66.5" wide × 39.1" deep × 36" tall, real ergonomic immersion space for two bathers without crowding. The Natural finish uses a dark grey fiberglass lining, the Black finish uses matching black, both deliver the same enhanced bather comfort and durable construction. Built-in drainage and chiller connections come integrated into the tub.
AP-1 chiller and heater in one unit
The AP-1 is a combination chiller/heater with a 37°F to 107°F operating range, a built-in ozone filtration system that keeps water crystal clear with minimal chemical maintenance, an LCD touchscreen for on-unit control, and Wi-Fi connectivity to iOS and Android apps for adjusting temperature, scheduling sessions, and monitoring the tub from your phone. Plug-and-play installation via a standard 110V outlet means no specialized electrical work, and the compact 21.3" × 15.8" × 22.2" footprint sits easily alongside the tub without dominating the space.
Pre-assembled and ready out of the box
The S2 ships fully assembled with matching Thermo-Pine stairs (matching the chosen finish, natural with the S2NC, black with the S2BC), so the only setup is positioning the tub, connecting the AP-1, and filling it. European craftsmanship from Northern Europe means every component is precision-built before it leaves the factory.
The complete 2-person hot and cold contrast therapy package in your choice of finish, SaunaLife's S2 Thermo-Pine immersion tub (Natural S2NC or Black S2BC) paired with the AP-1 chiller/heater that ranges from 37°F to 107°F. Premium Thermo-Pine construction lasting 2X longer than cedar, 200-gallon ergonomic fiberglass interior, ozone filtration, Wi-Fi app control, and matching Thermo-Pine stairs included. Pre-assembled and ready for outdoor wellness.
Hot & cold (37°F to 107°F) 2-person capacity Natural or Black finish Premium Thermo-Pine AP-1 chiller/heater included 200 gallon capacity Wi-Fi app control Authorized SaunaLife dealer
Specifications
S2 tub dimensions & capacity
| Exterior dimensions |
74.4"W × 46"D × 41"H (189 × 117 × 104 cm) |
| Interior dimensions |
66.5"W × 39.1"D × 36"H (169 × 99 × 91 cm) |
| Water capacity |
200 gallons |
| Capacity |
2 persons |
| Product weight |
353 lbs (160.1 kg) |
| Weight (filled) |
2,021 lbs (916.7 kg) |
Construction & materials
| Exterior |
Premium Thermo-Pine (1.65" thick) |
| Interior (S2NC) |
Contoured fiberglass (dark grey) |
| Interior (S2BC) |
Contoured fiberglass (black) |
| Stairs |
Matching Thermo-Pine, included |
| Foundation beams |
3.94" × 3.94" (10 × 10 cm) |
| Wall thickness |
0.7" (1.7 cm) |
| Drainage |
Built-in, 1" (3 cm) |
| Chiller connections |
3/4" NPT, built-in |
| Origin |
Handcrafted in Northern Europe |
AP-1 chiller/heater
| Type |
Combination chiller and heater |
| Temperature range |
37°F to 107°F (3°C to 42°C) |
| Cooling capacity |
3.05 kW |
| Heating capacity |
4.04 kW |
| Ambient operating range |
32°F to 113°F (0°C to 45°C) |
| Refrigerant |
R32 |
| Filtration |
External filter + ozone disinfection |
| Circulating pump |
Built-in self-priming |
| Dimensions |
21.3"W × 15.8"D × 22.2"H |
| Weight |
98 lbs (44.5 kg) |
Electrical & controls
| Voltage |
110–120V / 60Hz standard outlet |
| Electrical safety |
GFCI power supply cord and plug |
| On-unit control |
LCD touchscreen |
| App control |
Wi-Fi (iOS & Android) |
| Remote control |
LED remote included |
Available finishes
| Natural finish |
Model S2NC (Thermo-Pine natural, dark grey interior) |
| Black finish |
Model S2BC (Thermo-Pine black, black interior & steps) |
| Construction |
Identical between both finishes |
Shipping & installation
| Configuration |
Pre-assembled (S2 tub) |
| Shipping dimensions |
81.5"W × 48"D × 47.4"H |
| Shipping weight |
396 lbs (180 kg) |
| Installation type |
Outdoor |
| SKU / Model |
S2NC or S2BC Package |
What's included
SaunaLife Model S2 immersion tub (pre-assembled)
AP-1 chiller/heater unit
Premium Thermo-Pine tub surround (1.65")
Contoured fiberglass interior (dark grey or black)
Matching Thermo-Pine deluxe stairs
Built-in drainage system
Built-in chiller/heater connections
External filter assembly
Main filter wrench & secondary filter wrench
Secondary filter screen
2 water hose lines
LED remote control
S2 tub installation manual
AP-1 chiller/heater manual
Why the SaunaLife S2 Package stands out
Choose your finish
Same premium tub, two distinct looks. S2NC delivers warm natural Thermo-Pine with dark grey interior. S2BC offers a black-stained finish with matching black interior and steps.
Hot & cold contrast therapy
AP-1 chiller/heater ranges 37°F to 107°F, real contrast therapy in one tub. Cold plunge for recovery and focus, warm soak for muscle relaxation, alternate between the two.
Wi-Fi app control
LCD touchscreen on the AP-1 plus iOS and Android apps for adjusting temperature, scheduling sessions, and monitoring the tub from anywhere. Plug-and-play 110V outlet install.
2-person capacity
200 gallons across a 66.5" × 39.1" × 36" interior, real ergonomic immersion space for two bathers without crowding. Built for couples, training partners, or family contrast sessions.
Ozone filtration
Built-in ozone generator plus external filter keeps water crystal clear and hygienic with minimal chemical maintenance. No chlorine smell, no constant water swaps.
Tub plus chiller/heater, one package
Sold and warrantied as a complete contrast therapy system. No third-party chiller compatibility issues, no DIY plumbing, no guesswork. Everything works together by design.
About SaunaLife
European craft, American design
Designed in the U.S., crafted in Northern Europe
SaunaLife was founded by sauna enthusiasts who wanted to make premium-quality home wellness more accessible. Partnering with Nordic innovators, they leverage Scandinavian design, sustainable materials, and traditional construction techniques to deliver products that actually last. The S2 Package brings that same philosophy to 2-person contrast therapy.
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Two finish options, S2NC (Natural) or S2BC (Black)
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Hot & cold contrast therapy, 37°F to 107°F range
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AP-1 chiller/heater included, with Wi-Fi app and ozone filtration
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200-gallon 2-person interior, contoured for real comfort
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Pre-assembled delivery, ready to use out of the box
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Limited Lifetime warranty, backed by the manufacturer
About SaunaLife
Live the SaunaLife
SaunaLife uses sustainably sourced, thermally treated Northern European wood across the entire product line, the same standard they apply across their flagship saunas. Every S2 Package is crafted to handle outdoor conditions for years with minimal maintenance.
The result is a hot and cold contrast therapy system that fits naturally into a backyard, deck, or patio, looks intentional rather than industrial, and delivers the same therapeutic benefits as commercial-grade contrast therapy in a system designed for home ownership.
Manuals & Documents
Everything you need before and after installation
Download the official SaunaLife installation manuals for both the S2 tub and the AP-1 chiller/heater below. Review both before delivery so you understand exactly how the system goes together. The S2 tub ships pre-assembled, but the AP-1 requires connection to the integrated ports on the tub.
Installation Manuals
Warranty
Warranty
SaunaLife Limited Lifetime Warranty
Every SaunaLife S2 Hot & Cold Immersion Package (S2NC or S2BC) is backed by SaunaLife's Limited Lifetime Warranty on the tub's structural integrity and craftsmanship for residential use, the highest level of protection available in the category. The AP-1 chiller/heater is covered under its own manufacturer warranty terms. All warranty claims go directly through SaunaLife with full factory support. Proof of purchase from an authorized dealer is required to start any claim, and we are an authorized SaunaLife dealer. See the official warranty document above for full terms.
