ThermaSol Ultimate Steam Shower Generator | PROIII-575

The all-new ThermaSol PROIII-575 generator is engineered for home steam rooms with dimensions 396 to 575 adjusted cubic feet (ACF). The PROIII-575 15kW steam bath generator accepts voltage in the range of 208V-240V, single-phase (1-PH) configuration.

The ThermaSol PROIII-575 generator includes durable stainless-steel construction, professional-grade heating elements, advanced PowerFlush self-cleaning system, Smart Steam temperature control, Fast Start technology, stainless-steel drain pan, and a variety of other features.



PRO Series generators are engineered to provide the most consistent, pleasurable bathing experiences. The innovative Smart Steam feature helps ensure that steam is delivered at a constant rate without lags, bursts, and temperature fluctuations. The included FastStart technology provides quicker heat-up times.

The steam unit's split tank design helps ensure the longevity of the unit by separating the heating function from the water feed function. The generator includes the PowerFlush pressurized inner tank cleaning system which helps prevents harmful sediment build-up. Equipped with advanced CAN Bus technology for reliable two-way communication between the generator and the control.

ThermaSol PRO Series generators are compatible with the Thermatouch, Signatouch, Microtouch, Signature Control, Easy Start, Wellness Package, and Digital Shower Package. Select the available control or control package with features that best suits your bathing preferences. It is designed so that steam shower accessories such as the Serenity, Light, Sound, Rainhead can easily be installed.


The PROIII-575 steam shower unit can be installed up to fifty feet away from your steam shower enclosure. Common installation locations include closets, vanity cabinets, climate-controlled attics, and basements. The residential steam generator carries ThermaSol's limited lifetime warranty and is fully serviceable. ThermaSol steam generators are UL and CSA listed for your safety.

Note: Generators sizing are listed based on Thermasol's theory on "Simple Sizing" of Cubic Feet = Length X Width X Height. No adjustments for materials.

ThermaSol Ultimate Steam Shower Generator | PROIII-575 Features: 

• Constant steam flow
• Constant steam rate
• No steam lag
• No steam burst
• Smart Steam Technology (patented) - eliminates temperature fluctuations
• FastStart Technology (exclusive) - steam in seconds, not minutes
• PowerFlush Technology (exclusive) - pressurized inner tank system to remove sediment
• Works with HydroVive and Serenity systems
• Two-way digital CAN-bus Technology (exclusive)
• Split Tank longevity through design
• Includes stainless steel drain pan
• Pre-plumbed safety relief valve
• 1/2" union to connect to steam line
• Braided stainless steel water connector
• 240V/1PH operation
• For steam rooms 396 to 575 adj. cu. ft.
• Superior heating elements-Incoloy low watt density
• Stainless Steel construction
• Designed, engineered, and crafted in the U.S.A
• Dimensions: 18" L x 23"W x 14" H
• Lifetime Warranty

ThermaSol Ultimate Steam Shower Generator | PROIII-575 Includes:

• 15kW Steam generator
• Stainless steel drain pan
• 3/8" braided stainless steel hose & fitting
• In-line water screen kit
• Pre-plumbed safety relief valve
• Steamhead housing and cable kit
• 50' CAN-bus cable for the controller
• Installation instructions
• Static cling warning label
• Warranty

Product Specificactions

ThermaSol Ultimate Steam Shower Generator | PROIII-575 Specs:

Product Manuals

ThermaSol PROIII-575 Installation Manual


ThermaSol PROIII-575 Installation Diagram

ThermaSol PROIII-575 Installation Spec Sheet
ThermaSol PROIII-575 Placement Video