SaunaLife Model S4 Soak Series 6 Person Wood-Fired Hot Tub

SaunaLife S4 Soak Series 6 Person Wood-Fired Hot Tub - Fully Assembled

A Luxurious, Eco-Friendly Outdoor Hot Tub with Unmatched Efficiency

Experience the ultimate in outdoor relaxation with the SaunaLife S4 Wood-Fired Hot Tub. Designed for efficiency, comfort, and durability, this fully assembled hot tub provides a spacious, ergonomic soaking experience for up to 6 bathers.

Unlike traditional hot tubs, the S4 requires no electricity, making it an eco-friendly and cost-effective option for those seeking a pure, off-grid soaking experience. Engineered in Northern Europe, the S4’s advanced wood-burning heating system heats 304 gallons of water in just 1.5 to 2 hours, which is three times faster than traditional wood-fired hot tubs.

Its innovative dual-chamber stove design reduces wood consumption by up to 50%, while the air-heated insulation system ensures optimal heat retention. Built with 1.65” thick Thermo-Spruce, the S4’s exterior lasts twice as long as Cedar, offering superior weather resistance and durability.

Inside, the dark grey fiberglass lining provides a smooth, contoured surface for maximum comfort and easy maintenance. Complete with matching wooden steps, an insulated foam cover, and a stainless steel chimney, the S4 is a premium, low-maintenance hot tub built for long-lasting enjoyment.

Soak-Series Model S4 Features

• 1.65” Thick Thermo-Spruce Exterior
  • Lasts up to 2X longer than Cedar for superior outdoor durability.
  • Naturally resistant to weather, moisture, and decay.
• 304 Stainless Steel Wood-Burning Heater
  • Dual heat compartments for 50% more efficiency.
  • Self-cleaning corrugated stove reduces wood consumption.
• Polished Stainless Steel Chimney with Protection Cap: Prevents heat loss and enhances heating efficiency.
• Heats Water in Just 1.5 - 2 Hours: Warms 304 gallons from 40°F to 95°F in record time.
• Eco-Friendly, No Electricity Required: Off-grid hot tub solution – perfect for cabins, retreats, and backyards.
• Innovative Heat Circulation System
  • Super-heated air between the fiberglass lining and wood exterior accelerates heating.
  • Cooler water is drawn through a lower channel and redistributed through an upper channel for even temperature distribution.
• Seats Up to 6 People: Perfect for social gatherings, family relaxation, or solo retreats.
• Dark Grey Contoured Fiberglass Lining
  • Ergonomically shaped for superior bather comfort.
  • Easy to clean, non-porous surface for low maintenance.
• Matching Thermo-Spruce Steps for Easy Access: Provides safe and convenient entry into the hot tub.
• Extra Thick, Steel-Reinforced Foam Insulated Cover
  • Folds for easy removal and storage.
  • Dark grey marine-grade vinyl exterior for durability.
• Integrated Hot Tub Drainage Tap: Allows for easy water management and cleaning.

Model S4 Wood-Fired Hot Tub Specifications

• Capacity: Up to 6 bathers
• Exterior Dimensions: 79” Diameter x 37” H
• Interior Dimensions: 71” Diameter x 33” Deep
• Weight: 595 lbs
• Water Capacity: 304 Gallons
• Material: Thermo-Spruce Exterior, Fiberglass Interior
• Heating System: 304 Stainless Steel Wood-Burning Stove
• Chimney: Polished Stainless Steel with Protective Cap

What’s Included?

• Luxury Thermo-Spruce Hot Tub (Fully Assembled & Ready to Use)
• 304 Stainless Steel Wood-Burning Heater
• Polished Stainless Steel Chimney with Cap
• Ergonomic Dark Grey Fiberglass Lining
• Matching Thermo-Spruce Wooden Steps
• Extra Thick, Insulated Foam Cover (Steel Reinforced, Foldable)
• Integrated Drainage Tap for Easy Water Management

Downloads: 

• SaunaLife Warranty
• SaunaLife Wood-Fired Hot Tub Model S4 Installation Manual

Elevate Your Backyard with the SaunaLife S4 – A Fully Assembled, Eco-Friendly, & Fast-Heating Wood-Fired Hot Tub for the Ultimate Relaxation Experience!

Order Processing: Once you place your order, you'll receive an order confirmation email. Please allow 1-3 business days for processing. If there are any unexpected delays, we’ll reach out to you immediately.

Shipping Methods:

• Standard Shipping: Small items ship with UPS, FedEx, or USPS. They usually do not need a delivery signature.
• Freight Shipping: Large or heavy items ship with a box truck to your curbside or loading dock. They will schedule a delivery appointment when the shipment is in your area.

Delivery Timeline:

• Processing: Please allow 1-3 business days for us to process your order in our system.
• Handling Time: Some items take longer than others to get ready for shipment. This product should ship out in 2 weeks days from the time it is processed.
• Transit Time: Once shipped, we will send you the tracking number. Ground orders take 1-5 business days. Freight shipments may take 3-10 business days, depending on your location.
• Delivery Appointment: For freight deliveries, the carrier will contact you to set a delivery time. Someone must be present to receive the delivery.

Receiving Your Shipment: Inspect your shipment for damage before signing the delivery receipt. For any issues, mark “DAMAGED, NEEDS REVIEW,” take photos, and contact us within 2-3 business days.

Assembly Options: Most items require assembly. We offer referrals for professional assembly if needed. Contact us for assistance before or after delivery of your order.

Assembly:

Most items will require some assembly. Majority of customers assemble their own equipment with no issues using the instructions included with every product. If you run into any trouble, you can reach out to us for manufacturer tech support.

Assembly Service: If you require assistance to setup your new equipment, we can refer you to our perffered installater partner. They will help you with the installation of your equipment at a quoted price. Want To Know More? Click Here.

Commercial Customers: If you are building a gym that needs installation, please reach out. We can assist with gym design, equipment selection, delivery, assembly, and more!

Contact Us: To connect with an installer in your area or get a price quote, please call us at 888-995-4450 or email us at info@selectfitnessusa.com.

Warranty Information:

Select Fitness is an authorized dealer for every product found on our website. Every product available for purchase comes standard with its original manufacturer's warranty, ensuring you receive a functional, quality product.

When you receive your products, rest assured that they are backed by the manufacturer's guarantee.

For specifics on the exact warranty and warranty terms of each product, please see the product details where we mention the warranty of each item.

Residential, light commercial, and full commercial warranties are based on the setting you will use the product. We do our best to detail the specifics of each warranty usage terms on each product.

Contact us if you have questions about specific warranties or need assistance.

To make a warranty claim, please contact us for support. You can also reach out to the manufacturer for help.