ThermaSol PROI-140 Essential Steam Shower Generator, 8kW for 85-140 cu.ft Spaces
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Product Information
The ThermaSol PROI-140 PRO Series I Steam Shower Generator delivers a luxurious steam experience for
home spas.
Powered by an 8kW heating element, it efficiently generates steam for spaces between 85 to 140 adjusted
cubic feet.
Featuring innovative Fast Start technology for quick heat-up, durable stainless-steel construction, and
a split tank design for enhanced durability, the PROI-140 ensures reliable, maintenance-free operation
for years to come.
Product Features
The ThermaSol PROI-140 PRO Series I Steam Shower Generator ensures consistent steam with no lag or bursts, powered by exclusive FastStart Technology for steam in seconds
Designed for rooms 85 to 140 adjusted cubic feet, it features durable stainless steel, Incoloy heating elements, a split tank design, and advanced CAN-bus technology.
Consistent Steam Performance
Advanced Digital Technology
Energy Efficient Design
Lifetime Warranty
ThermaSol PROI-140 PRO Series I Essential Steam Shower Generator
Quick Steam Activation with Fast Start:
Experience instant relaxation with the Fast Start feature, delivering steam within seconds for a smooth
and efficient spa session.
Steady and Seamless Steam Performance:
The PROI-140 provides consistent steam output without interruptions, offering a calming and
uninterrupted steam experience.
Robust and Reliable Build Quality:
Constructed with corrosion-resistant stainless steel and premium Incoloy heating elements.
Advanced Two-Way Communication:
Featuring CAN-bus technology, the PROI-140 ensures seamless communication with compatible controls for
enhanced usability and control.
Exceptional Features
Enjoy the ideal combination of luxury, durability, and innovative technology with the ThermaSol PROI-140 PRO Series I Steam Shower Generator, thoughtfully designed to transform your home spa into a haven of relaxation and efficiency.
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?
- 8kW 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.
Why Thousands of Health and Fitness Lovers Choose
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Real humans. We answer quickly. Always here, always helpful
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Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
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Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
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Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady
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Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
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Instant processing and updates
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Fast, insured, trackable shipping
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Lowest prices, no surprises
Return & Warranty
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Clear, honest return policy
Specifications
| Model | PROI-140 |
|---|---|
| Kilowatt Rating | 8 kW |
| Maximum Cubic Feet | 140 FT |
| 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 | 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 Fast Start technology special?
Fast Start technology delivers steam within seconds, eliminating long wait times and ensuring a quick start to your spa experience.
Is the PROI-140 easy to install?
Yes, the PROI-140 is designed for hassle-free installation up to 50 feet away from the steam shower, offering flexible placement options.
How does the split tank design improve the generator?
The split tank design separates the heating and water feed functions, minimizing wear and ensuring greater durability and performance over time.
What control systems are compatible with the PROI-140?
The PROI-140 works seamlessly with controls like Thermatouch, Signatouch, Microtouch, Signature Control, Easy Start, and other ThermaSol options.
Can the PROI-140 be used with other ThermaSol accessories?
Yes, the PROI-140 is fully compatible with HydroVive, Serenity systems, and other ThermaSol steam shower accessories to enhance your spa experience.
