Skip to content
Free Shipping Over $99 | Call Us for a Custom Quote (302) 600-1245
Call for Custom Quote (302) 600-1245
SaunaLife Model S4B Wood-Fired Hot Tub

SaunaLife Model S4B Wood-Fired Hot Tub

by SaunaLife
SKU SL-MODELS4B
$6,940.00 - $6,940.00
$6,940.00
$6,940.00 - $6,940.00
$6,940.00

The SaunaLife Soak-Series Model S4B represents the very best in wood-burning hot tub quality, efficiency, and luxury.

In Stock & Ready to Ship

All orders ship within 1-2 business days. Product ETA is 5-7 business days.

✔️ Authorized SaunaLife ®️ Dealer. Warranty Included!

🚚 Free Shipping over $99. Always fast.

💰 Price Match & No Sales Tax. We'll beat any offer!

❓ Questions? Call us anytime for a custom quote! (302) 600-1245

Key Features

Model S4B Outdoor Wood-Burning Hot Tub   

  • Thermo-Spruce materials (lasts up to 2X longer than Cedar)  
  • Luxury outdoor wood-burning hot tub 
  • Designed for outdoor ergonomic hot tub bathing experiences 
  • Arrives fully assembled and no electricity required (eco-friendly) 
  • Spacious interior holds over 304 gallons of pure water bathing pleasure 
  • Thick dark grey contoured fiberglass lining provides enhanced bather comfort 
  • Stainless steel wood-burning heater utilizes dual heat compartments for unmatched efficiency   
  • Rapid response heat-up time prepares water to ideal temperatures in under 2-hours 
  • Wood-burning heater constructed of 304 stainless steel 
  • Polished stainless steel chimney with protection 
  • Durable Thermo-Spruce tub surround (1.65” thick), painted black  
  • Superior thermal resistance (R-value) to retain heat  
  • Matching Thermo-Spruce wood steps for easy access 
  • Extra thick steel reinforced foam cover, folds for ease of removal and storage 
  • Dark grey marine grade vinyl cover exterior 
  • Integrated hot tub drainage tap 
  • Up to 6 bathers 
  • Exterior dimensions – 79" diameter and 37” high  
  • Interior dimensions – 71" diameter and 33” deep 
  • Designed by SaunaLife and handcrafted in Northern Europe 

Thermo-Spruce Material Advantages 

  • Lasts up to 2X longer than Cedar 
  • Superior thermal resistance (R-value) 
  • Eco-friendly 
  • Ideal for water use (stable)  
Specifications

Specifications and Installation Manual


Package Contents
Model S4B Outdoor Wood-Burning Hot Tub  

  • Fully assembled hot tub 
  • Steps 
  • Insulated cover  
  • Drainage with tap 
  • Polished stainless steel chimney 
  • Chimney cap 
Warranty & Manuals

Limited Lifetime Warranty

Sauna Life extends a limited lifetime warranty solely to the original purchaser and only in the case where the product was purchased from an authorized reseller.

Sauna Life warrants that the Sauna Life sauna shall be free from defects in workmanship under normal conditions of use and service for the lifetime of the sauna for residential applications after delivery to the original retail purchaser. This warranty is limited to making good any factory assembled component which

in the judgment of Sauna Life is deemed defective in workmanship. The warranty does not cover normal material wear, natural weathering of the lumber, or installation or delivery of components and applies only to the original retail purchaser.

Full SaunaLife Warranty Here

Free Shipping

On every order!

In Stock & Ready to Ship

All orders are shipped within 1-2 business days

Hassle Free Returns

Hassle free returns within 30 days

Excellent Customer Service

Question? Give us a call today at (302) 600-1245

Let customers speak for us

from 22 reviews
Finally took the plunge

After reading so many positive reviews, I finally took the 'plunge' and I'm glad I did. This product has made my life so much easier. It's practical, durable, and the price is just right.

JA
Leisurecraft Polar Plunge Tub
Hot hot heat

Where has this product been all my life? I absolutely love it! It's convenient, reliable, and has already become an essential part of my daily routine. The convenience it offers is worth every penny. I highly recommend it to everyone!

Lizzy Dean
HUUM Hive Series Electric Sauna Heater
Great for people who like hotter saunas

Most saunas don't do it for me. they just don't get warm enough. Go with something like this instead!

Megan W
HUUM Hive Series Electric Sauna Heater
Phenomenal

I needed a new steam controller and after doing my research settled on Mr. Steam! It is a fantastic product and works great.

Barbara
Mr. Steam AirButler Max Linear Steam Shower Control Package with AirTempo Control and Linear SteamHead
Spa experience

I've always loved the sauna experience at spas, and now I can enjoy it whenever I want in the comfort of my own home. This sauna is simply fantastic! The heater distributes heat evenly, creating a soothing and invigorating atmosphere. The construction is sturdy and well-built, ensuring it will last for years. It's my new go-to spot for relaxation and stress relief, and I highly recommend it to anyone looking to invest in their well-being.

Anastasia B
SaunaLife Model X6 Indoor Home Sauna
Really happy with my choice

I was nervous about which one to ultimately choose but this is perfect for me and my wife.

Wade P
SaunaLife Model X6 Indoor Home Sauna
Steam showers are incredible

Even better than expected

SG
Mr. Steam AirTempo Steam Shower Generator Package with AirTempo Control
Well run operation

Really smooth from start to finish. Actually arrived early.

Bob L
SaunaLife Model X6 Indoor Home Sauna
Very cool product

Tough to get used to the temperature for more than 30 seconds at a time but now I feel addicted

Bruce C
Leisurecraft Polar Plunge Tub
Fits great

Needed something that fit into my saunas but I didn't like the basic options. Really happy so far.

Jeff Squires
HUUM Steel Mini Series 3.5 kW Sauna Heater
Great experience

There's a big difference good and great customer service and these guys know what they're doing!

Kathleen
Leisurecraft Canadian Timber Harmony Barrel Sauna
Steam heaven!

Oh ya! This is awesome. A friend of mine has one of these and let me try it so I decided to go for one myself. So much better. Especally in winter!

Pete Q
Mr. Steam AirButler Max Linear Steam Shower Control Package with AirTempo Control and Linear SteamHead
Nothing better

so good. It's changing my life for the better!

Dave
SaunaLife Model X6 Indoor Home Sauna
Very happy with purchase

I knew I wanted a sauna but I didn't realize how great it would make me feel. Love it.

Layne Paul
Leisurecraft Canadian Timber Luna Sauna
Good replacement

my old heater broke so I spoke with someone about what i could replace it with. working like new!

Doug Wilson
Finnleo Designer B Series 8 kW Sauna Heater with Sauna Stones

Our Customer Service Promise

We know what it's like to make a big decision about a purchase and we pride ourselves on knowing the difference between good customer service and excellent customer service.

Our promise to you is that we will go above and beyond your expectations to help you choose the right product, get it delivered to your home in a timely manner, and make sure it's working exactly as you expected.

We're here for you. Please give us a call at (302) 600-1245 if you have any questions.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)