Take your recovery to the next level with the SaunaLife S1NC Hot & Cold Plunge Tub Package, a premium immersion system designed for both cold plunge therapy and heated recovery sessions.
With the ability to cool water down to ice-cold temperatures or heat it up for soothing muscle relaxation, this system gives you full control over your wellness routine. Whether you're reducing inflammation after a workout or unwinding after a long day, the S1NC delivers a professional-grade experience at home.
Designed to pair perfectly with your sauna, this unit allows you to create a complete contrast therapy setup, alternating between heat and cold to improve circulation, speed recovery, and boost overall well-being.
Crafted from durable Thermo-Pine wood with a smooth fiberglass interior, this tub is built for long-term outdoor performance while maintaining a clean, modern look for any backyard or home gym.
Features
• Hot and cold immersion therapy system
• Includes high-performance chiller and heater unit
• Ideal for contrast therapy with sauna use
• Durable Thermo-Pine construction (longer lifespan than cedar)
• Ergonomic fiberglass interior for comfort
• Built-in filtration system for clean water
• Compact 1-person design
• Quiet operation for indoor or outdoor use
• Plug-and-play installation with standard outlet
Specifications
Tub Model: S1B
Capacity: 1 person
Water Capacity: 124 gallons
Exterior Dimensions:
40" Diameter x 41.3"H
Interior Dimensions:
34.4" Diameter x 36"H
Material: Thermo-Pine exterior, fiberglass interior
Weight (Empty): 124 lbs
Weight (Filled): 1158 lbs
Chiller/Heater Unit:
Function: Cooling + Heating System
Temperature Range: Supports both cold plunge and heated immersion
Power: 110–120V standard outlet
Control: User-friendly system for temperature adjustment
Shipping & Delivery
This product includes FREE freight shipping within the contiguous United States.
• Delivered via scheduled freight appointment
• Arrives securely packaged on a pallet
• Curbside delivery (driver lowers to ground level)
• No additional shipping cost for standard delivery zones
Due to the size and weight, plan for assistance with final placement.
Why Buy From Ultimate Cave Supply
At Ultimate Cave Supply, we specialize in premium recovery and wellness systems built for serious home setups.
✔ High-quality, curated products only
✔ FREE shipping on select high-ticket items
✔ Transparent delivery expectations
✔ Dedicated customer support
We help you build a complete recovery system—not just buy equipment.
FAQ
Q: Does this tub both heat and cool the water?
A: Yes, the S1NC includes a chiller and heater system, allowing you to use both cold plunge and heated immersion therapy.
Q: What is contrast therapy?
A: Contrast therapy involves alternating between hot and cold water to improve circulation, reduce inflammation, and accelerate recovery.
Q: Can I use this with my sauna?
A: Absolutely. This is the perfect companion to any sauna for a full recovery setup.
Q: Is installation complicated?
A: No. It features a plug-and-play design using a standard outlet.
S1 Tub Installation Manual
SaunaLife Warranty Information
RETURN POLICY
Ultimate Cave Supply only accepts returns of new and uninstalled items within 30 days of purchase with this item. Before sending anything back, please email Customer Service to obtain a Return Authorization (RA) number. If the return is required due to damage, please include pictures, and whether the shipping damage was noted upon signing for the delivery. Bathing Brands covers the shipping costs for returns due to shipping damage or a Bathing Brands error.
Once the product is returned, it is inspected for damage. If there is no damage, you will be issued a credit for the full amount that you paid, less any required new boxing fees ~$20-$50 depending on the product. If the product is damaged, you will be notified to issue a claim with your shipper.
