
Product Information
The ThermaSol PROI-240 PRO Series I Steam Shower Generator offers a premium steam experience for home
spas.
Equipped with a powerful 10kW heating element, it efficiently generates steam for spaces ranging from
141 to 240 adjusted cubic feet.
With innovative Fast Start technology for rapid heat-up, durable stainless-steel construction, and a
split tank design for extended longevity, the PROI-240 ensures dependable, maintenance-free performance
for years to come.



Product Features
The ThermaSol PROI-240 PRO Series I Steam Shower Generator delivers consistent steam output with no lags or bursts, powered by exclusive FastStart Technology for steam in seconds.
Designed for rooms measuring 141 to 240 adjusted cubic feet, it features corrosion-resistant stainless steel, low watt-density Incoloy heating elements.
A split tank design for extended durability, and advanced two-way CAN-bus technology for reliable operation.

ThermaSol PROI-240 PRO Series I Essential Steam Shower Generator
Instant Steam with Fast Start Technology:
Enjoy immediate relaxation with Fast Start technology, providing steam in seconds for an effortless and
efficient spa experience.
Consistent and Reliable Steam Output:
The PROI-240 delivers steady steam flow without interruptions, creating a soothing and seamless spa-like
environment.
Durable and High-Quality Construction:
Crafted with corrosion-resistant stainless steel and superior Incoloy heating elements, ensuring
longevity and performance.
Enhanced Connectivity with CAN-Bus Technology:
Equipped with advanced CAN-bus technology, the PROI-240 provides seamless integration and communication
with compatible controls for intuitive operation.
Exceptional Features
Discover the perfect fusion of power, durability, and cutting-edge technology with the ThermaSol PROI-240 PRO Series I Steam Shower Generator, expertly crafted to elevate your home spa to new heights of relaxation and performance.

Fast Steam Activation
The exclusive Fast Start technology delivers steam in seconds, providing instant relaxation without waiting.

Reliable Digital Connectivity
Two-way CAN-bus technology ensures seamless communication between the generator and control for enhanced performance.

Durable Stainless-Steel Design
Built with corrosion-resistant stainless steel and Incoloy heating elements for lasting reliability and efficiency.

Flexible Installation
Install up to 50 feet away from your steam shower, with compatibility for HydroVive and Serenity systems, for unparalleled versatility.
What’s Included?
- 10kW Steam Generator
- In-line Water Screen Kit
- Steamhead Housing Installation Tool
- Steamhead Housing and Cable Kit
- 208-240 Volt Power Cord (5ft)
- 50' CAN-bus Cable for the Controller
- Installation Instructions
- Static Cling Warning Label
- Warranty

About ThermaSol
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.


Why Choose Us?
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.
Specifications
Model | PROI-240 |
---|---|
Kilowatt Rating | 10 kW |
Maximum Cubic Feet | 240 FT |
Amperage | 46 |
Heater Weight | 40 lbs |
Water Inlet | 3/8" NPT |
Steam Outlet | 1/2" NPT |
Safety Valve | 3/4" NPT |
Electrical Connection | NEMA 6-50P |
Width | 18" |
Depth | 23" |
Height | 14" |
Warranty & Returns
Return Policy
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.
Shipping Policy
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.
Frequently Asked Questions
What makes the Fast Start technology unique?

Fast Start technology ensures steam is generated in seconds, providing immediate relaxation without the need for long waiting times.
Is the PROI-240 easy to install?

Yes, the PROI-240 is designed for easy installation and can be placed up to 50 feet away from your steam shower for versatile setup options.
What is the benefit of the split tank design?

The split tank design separates heating and water feed functions, reducing wear and extending the generator's lifespan for long-term performance.
What control systems are compatible with the PROI-240?

The PROI-240 is compatible with various ThermaSol controls, including Thermatouch, Signatouch, Microtouch, Signature Control, and Easy Start systems.
Can the PROI-240 work with additional ThermaSol accessories?

Yes, the PROI-240 is compatible with HydroVive, Serenity systems, and other ThermaSol steam shower accessories to enhance your spa experience.