
Product Information
The ThermaSol PROI-84 PRO Series I Steam Shower Generator delivers a premium steam experience for your
home spa.
Powered by a 6kW heating element, it efficiently generates steam for spaces up to 84 adjusted cubic
feet.
Featuring Fast Start technology for rapid heat-up, durable stainless-steel construction, and a split
tank design, it ensures reliability and longevity



Product Features
The ThermaSol PROI-84 PRO Series I Steam Shower Generator delivers constant steam flow with no lag or bursts, thanks to FastStart Technology for steam in seconds
Built with durable stainless steel and superior Incoloy heating elements, its split tank design ensures longevity.
Designed for up to 84 adjusted cubic feet, it features two-way CAN-bus technology, compatibility with HydroVive and Serenity systems, and operates at 240V/1PH

ThermaSol PROI-84 PRO Series I Essential Steam Shower Generator
Fast Start Technology for Instant Steam:
Enjoy rapid heat-up with the exclusive Fast Start feature, providing steam in seconds for a seamless spa
experience.
Consistent and Reliable Steam Output:
The PROI-84 delivers a constant steam flow with no lags or bursts, ensuring a soothing and uninterrupted
session.
Durable and Efficient Construction:
Built with corrosion-resistant stainless steel and superior Incoloy heating elements, the generator
ensures long-lasting performance and efficiency.
Innovative Two-Way Digital Communication:
Equipped with CAN-bus technology, the generator enables reliable communication with compatible controls
for intuitive operation.
Exceptional Features
Experience the ultimate blend of luxury, durability, and advanced technology with the ThermaSol PROI-84 PRO Series I Steam Shower Generator, designed to enhance your home spa experience.

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?
- 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 | PROI-84 |
---|---|
Kilowatt Rating | 6 kW |
Maximum Cubic Feet | 84 FT |
Amperage | 28 |
Heater Weight | 40 lbs |
Water Inlet | 3/8" NPT |
Steam Outlet | 1/2" NPT |
Safety Valve | 3/4" NPT |
Electrical Connection | NEMA 6-30P |
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 allows the generator to produce steam within seconds, offering a quick and efficient start to your spa experience.
How easy is it to install the PROI-84?

The PROI-84 is designed for simple installation up to 50 feet from the steam shower, offering flexibility for various setups and locations.
What is the purpose of the split tank design?

The split tank design separates heating and water feed functions, reducing wear and improving overall durability and performance of the generator.
Which control systems are compatible with the PROI-84?

The PROI-84 works with a range of control systems, including Thermatouch, Signatouch, Microtouch, Signature Control, Easy Start, and other ThermaSol accessories.
Can the PROI-84 be used with additional ThermaSol accessories?

Yes, the PROI-84 is compatible with HydroVive, Serenity systems, and other ThermaSol steam shower accessories, enhancing your spa experience.