
Product Information
Elevate your shower experience with the ThermaSol PROII-140 PRO Series II Advanced Steam Shower
Generator.
Designed for steam rooms up to 140 adjusted cubic feet, this 8kW generator delivers reliable and
consistent steam output.
Equipped with innovative FastStart technology for quick steam production, robust stainless-steel
construction, and the Auto PowerFlush system to prevent sediment buildup, ensuring long-lasting
performance and a spa-like experience at home.



Product Features
The ThermaSol PROII-140 PRO Series II Steam Shower Generator delivers consistent, lag-free steam with FastStart technology for instant operation.
Built with durable stainless steel and Incoloy heating elements, it features PowerFlush for sediment removal.
A split tank for longevity, and CAN-bus technology. Designed for 85–140 ACF, backed by a lifetime warranty.

ThermaSol PROII-140 PRO Series II Advanced Steam Shower Generator
Quick Steam Activation with FastStart Technology:
Enjoy a spa-like experience in seconds with FastStart technology, providing rapid steam generation for
maximum efficiency and comfort.
Consistent and Reliable Steam Performance:
The PROII-140 ensures steady, uninterrupted steam flow without lags or bursts, offering a consistently
soothing bathing experience.
Durable Construction for Long-Lasting Use:
Crafted from corrosion-resistant stainless steel with premium Incoloy heating elements, the generator is
built for durability and reliable performance.
Advanced Connectivity and Control:
Featuring two-way CAN-bus technology, the PROII-140 integrates seamlessly with compatible controls and
accessories.
Additional Features
Discover unparalleled performance and cutting-edge technology with the ThermaSol PROII-140 PRO Series II Steam Shower Generator. Built for reliability, convenience, and superior comfort, it combines advanced features and durable construction to elevate your home spa experience to new heights.

Instant Steam Activation
Fast Start technology generates steam in seconds, offering immediate relaxation without waiting.

Effortless Tank Cleaning
Exclusive PowerFlush technology removes sediment with a pressurized inner tank system, ensuring peak performance.

Seamless Digital Communication
Two-way CAN-bus technology ensures flawless communication between controls and the generator for enhanced operation.

Reliable Construction
Crafted with stainless steel and low watt-density Incoloy heating elements, it ensures long-term durability and efficiency.
What’s Included?
- 6kW 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 | PROII-140 |
Kilowatt Rating | 8 kW |
Maximum Cubic Feet | 140 ACF |
Amperage | 37 |
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 | 22" |
Depth | 18" |
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 is the benefit of FastStart technology?

FastStart technology allows the PROII-140 to generate steam within seconds, providing an efficient and quick way to start your steam shower experience.
How easy is the PROII-140 to install?

The PROII-140 is designed for flexibility, with installation possible up to 50 feet from the steam shower, allowing for versatile placement in closets, basements, or other convenient locations.
How does the split tank design improve durability?

The split tank design separates heating and water feed systems, reducing wear and extending the lifespan of the generator for years of dependable performance.
What control systems are compatible with the PROII-140?

The PROII-140 is compatible with a range of ThermaSol control systems, including Thermatouch, Signatouch, Microtouch, Signature Control, and Easy Start systems for customizable operation.
Can the PROII-140 integrate with other ThermaSol accessories?

Yes, the PROII-140 is fully compatible with HydroVive, Serenity systems, and other ThermaSol accessories, enhancing your steam shower experience with additional features and functionality.