ThermaSol Steam Shower Generator ThermaSol PROIII-240 PRO Series II 10kW Ultimate Steam Shower Generator
My Sauna World ThermaSol PROIII-240
My Sauna World ThermaSol PROIII-240
My Sauna World ThermaSol PROIII-240
Model PROIII-140
Kilowatt Rating 8 kW
Maximum Cubic Feet 140 ACF
Amperage 37
Heater Weight 44 lbs
Water Inlet 3/8" Compression
Steam Outlet 1/2" NPT
Drain Pan 3/4" NPT
Safety Valve Pre-Plumbed
Electrical Connection NEMA 6-50P
Width 18"
Depth 23"
Height 14"


  • 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 85 to 140 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

The ThermaSol PROIII-140 PRO Series II 8kW Steam Shower Generator is designed for home steam rooms measuring 85 to 140 adjusted cubic feet and operates on 208V–240V, single-phase power. Built with stainless-steel construction and professional-grade heating elements, it features Constant Steam, patented Smart Steam, Split Tank, Fast Start, and PowerFlush technologies to maintain consistent steam output, reduce startup time, and prevent sediment buildup for extended reliability. The unit comes with a stainless-steel drain pan, CAN Bus communication for dependable control connection, and is compatible with ThermaSol’s range of control systems and accessories, including Serenity, Light, Sound, and Rainhead options. With installation flexibility up to 50 feet from the steam shower, UL and CSA safety listings, and coverage under ThermaSol’s limited lifetime warranty, the PROIII-140 delivers a durable and advanced steam solution for smaller residential steam rooms.

  • 8kW 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
  • 208-240 volt power cord (5ft)
  • 50' CAN-bus cable for the controller
  • Installation instructions
  • Static cling warning label
  • Warranty

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

ThermaSol PROIII-140 PRO Series II 8kW Ultimate Steam Shower Generator

Sale price$3,353.00 Regular price$4,790.00
You Save $1,437.00 (30% Off)
Quantity:

Layaway available. Only 50% down. Click here or call (260) 254-3087.

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Model PROIII-140
Kilowatt Rating 8 kW
Maximum Cubic Feet 140 ACF
Amperage 37
Heater Weight 44 lbs
Water Inlet 3/8" Compression
Steam Outlet 1/2" NPT
Drain Pan 3/4" NPT
Safety Valve Pre-Plumbed
Electrical Connection NEMA 6-50P
Width 18"
Depth 23"
Height 14"


  • 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 85 to 140 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

The ThermaSol PROIII-140 PRO Series II 8kW Steam Shower Generator is designed for home steam rooms measuring 85 to 140 adjusted cubic feet and operates on 208V–240V, single-phase power. Built with stainless-steel construction and professional-grade heating elements, it features Constant Steam, patented Smart Steam, Split Tank, Fast Start, and PowerFlush technologies to maintain consistent steam output, reduce startup time, and prevent sediment buildup for extended reliability. The unit comes with a stainless-steel drain pan, CAN Bus communication for dependable control connection, and is compatible with ThermaSol’s range of control systems and accessories, including Serenity, Light, Sound, and Rainhead options. With installation flexibility up to 50 feet from the steam shower, UL and CSA safety listings, and coverage under ThermaSol’s limited lifetime warranty, the PROIII-140 delivers a durable and advanced steam solution for smaller residential steam rooms.

  • 8kW 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
  • 208-240 volt power cord (5ft)
  • 50' CAN-bus cable for the controller
  • Installation instructions
  • Static cling warning label
  • Warranty

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

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FAQ

GENERAL INQUIRIES

We are located in Indianapolis, Indiana.

Yes, we have some great financing options from our partner, Bread Pay. Just choose the monthly payment option at checkout to get started.

SHIPPING

Shipping in the Continental U.S. is free!

Since we carry different brands our products also ship from different locations.  See the list below:

  • Almost Heaven Saunas -  West Virginia
  • Dundalk Leisure Craft - Canada
  • Harvia - Portland
  • Baltic Leisure - Pennsylvania
  • Saunacore - Canada
  • TheraSauna- Iowa

The list below is the current delivery timeline by brand:

  • Almost Heaven Barrel Saunas - 6 to 8 Weeks
  • Almost Heaven Indoor Saunas - 4 to 6 Weeks
  • Amba Products - 1 to 2 weeks
  • Baltic Leisure - 3 to 4 weeks
  • Dundalk Leisure Craft -  Approximately 1 to 2 weeks after the estimated build date
  • Golden Designs Sauna - Within 1 week
  • Saunacore - 2 to 3 weeks
  • TheraSauna - 10 to 12 weeks

We currently do not ship to Alaska but if you are really interested we can request for a custom freight quote.

SAUNA ASSEMBLY

It is an easy assembly. Here is the link to our video gallery for a quick look.

The sauna comes in a crate. You'll need to assemble it but it is a very quick assembly.