An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent
returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure that never
happens to you.
Official Distributor
An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy,
transparent returns. If you're comparing options, we encourage you to review
competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure
that never happens to you.
Starts at: $1,452.50/mo Learn More
Or
Monthly payments start at: $1,452.50/mo Learn More
Ships in 1-5 days at most
Includes $373.99 in bonuses with your order
The Primal Reset Guide
$24.99Free
Freight Protection, Fully Covered
$349Free
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Over $200
(877) 689-4898
Mon-Fri 9am-5pm (CST)
Guaranteed match
Hassle-free
Achieve unmatched steam performance with the ThermaSol DS-400 Day Spa Series 16kW Steam Bath Generator,
designed for day spas and hotels.
This powerful system efficiently operates up to four steam enclosures, supporting a total of 1,600
adjusted cubic feet (ACF).
Constructed with durable stainless steel, featuring a split-tank design for extended longevity, and an
advanced steam distribution module.
The ThermaSol DS-400 Day Spa Series 16kW Steam Generator is engineered for day spas and hotels, delivering powerful and reliable steam performance.
Designed with a non-pressurized vessel and an industrial-grade, serviceable heating element, ensuring consistent and efficient steam generation .
Designed for flexible installation, the generator can be placed up to 50 feet from the steam rooms and comes with a complete hardware kit.
Powerful 16kW Steam Output:
Designed for day spas and hotels, the DS-400 delivers a high-capacity steam experience for up to four
steam enclosures.
Robust Stainless Steel Construction:
Built with stainless steel inside and out, the split-tank design enhances durability, corrosion
resistance, and long-term performance.
Flexible Multi-Room Steam Delivery:
The integrated steam distribution module provides the flexibility to deliver steam independently or
simultaneously.
Easy Installation & Reliable Operation:
Featuring a non-pressurized vessel, integral drain pan with 3/4” NPT fitting, and remote installation
capability.
The ThermaSol DS-400 Day Spa Series 16kW Steam Bath Generator is designed to meet the demands of day spas and hotels, offering powerful, efficient, and multi-room steam distribution. Constructed with premium materials and advanced engineering, this generator delivers long-lasting, maintenance-friendly performance.
Built for high-demand commercial spa environments, the powerful heating element ensures rapid and consistent steam output across multiple enclosures.
The integrated steam distribution module enables steam delivery to two, three, or four enclosures, allowing for independent or simultaneous operation.
Built with stainless steel inside and out, ensuring corrosion resistance, durability, and long-lasting performance in high-moisture environments.
Designed for convenient placement, the generator can be installed up to 50 feet away from the steam rooms, ensuring ease of access and hassle-free maintenance.
ThermaSol, a US-based pioneer in residential steam showers, has been innovating spa equipment since 1958.
Established by David Altman, the company has been proudly family-operated for three generations and became part of the Harvia family in 2024.
Offering smart showers, steam and sauna systems, and advanced steamheads, ThermaSol is committed to delivering safe, reliable, and eco-friendly multi-sensory spa experiences.
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
Support
Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
Real humans. We answer quickly. Always here, always helpful
Order Processing
Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
Shipping
Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
Pricing
Hidden fees, bait and switch tactics, post purchase price increases.
Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady
tactics after the sale.
Returns & Warranty
Policies are confusing and designed to frustrate, delay, and deny returns with zero accountability.
Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
Support
Frustrating automated responses
Fast, helpful and always supportive
Order Processing
Delays and lack of communication
Instant processing and updates
Shipping
Slow, unreliable and delayed service
Fast, insured, trackable shipping
Pricing
Deceptive pricing practices
Lowest prices, no surprises
Return & Warranty
Frustrating, misleading return policies
Clear, honest return policy
Read their reviews where they can't curate them, Trustpilot, not their own widget; read the one-star reviews and watch how they respond when freight goes sideways. You can see our Trustpilot reviews here
Ask what happens when a unit arrives damaged, you're listening for a person who owns it, not store-blames-manufacturer ping-pong.
Get the delivered price in writing before payment, "freight quoted after purchase" is the oldest move in the category.
Ask for a name, if nobody owns your order, nobody owns your problem.
What comes with every order
Bonus 1
Stop guessing and start sweating with a plan. The Primal Reset Guide lays out your session times, temperatures, and weekly rhythm, plus what to expect through your first 30 sessions. Instant delivery to your inbox after purchase.
Bonus 2
Your large order ships fully insured, so you're covered from our warehouse to your door. If anything arrives damaged, Peak Primal Wellness will work with the carrier and the manufacturer to handle your claim and get a replacement moving. To keep the process smooth, inspect your delivery before signing off and document any damage right away. Most in-stock orders ship within 2-7 business days.
| Model | DS-400 |
|---|---|
| Minimum Adjusted Cubic Feet | 575 |
| Maximum Adjusted Cubic Feet | 1600 |
| Kilowatt Rating (kW) | 16 kW |
| Shipping Weight (lbs) | 46 lbs |
| Water Supply Connection | 3/8" NPT |
| Generator Steam Line Connection | 1/2" NPT |
| Steam Head Connection | 1/2" NPT |
| Safety Relief Valve Connection | 3/4" NPT |
| Safety Relief Valve PSIG | 15 PSIG |
| Control "Rough In" Cut Out | 1-1/16" |
| Generator Control Connection | 6 Pin, Snap-In Connector |
| Generator Control Cable | 50', 6 Conductor, 22 AWG, Shielded Cable |
| Width | 18-3/4" |
| Depth | 13-3/4" |
| Height | 16" |
To request a return or refund, customers can use our contact form, email info@peakprimalwellness.com, or phone – (877) 689-4898 . Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5–7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
The ThermaSol DS-400 is designed to efficiently power two, three, or four steam enclosures simultaneously, ensuring a consistent and luxurious steam experience.
The DS-400 steam generator is built to support steam enclosures with a total volume of up to 1,600 adjusted cubic feet (ACF), making it ideal for larger spas and hotel environments.
Yes, the DS-400 can be installed up to 50 feet away from the steam rooms, offering greater flexibility in placement while maintaining peak performance.
The DS-400 is constructed with stainless steel inside and out, incorporating a split-tank design and corrosion-resistant electronic components to ensure durability and longevity.
No, the DS-400 includes an integral drain pan with a 3/4” NPT fitting, simplifying the installation process while ensuring safe and efficient drainage.
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