



The 650 Cubic Feet 4-Room Steam Generator from the ThermaSol Day Spa Series is built to power four large steam rooms up to 650 Cubic Feet each.
With a 20.0 kW output and dual breaker electrical configuration, this model supports high-demand commercial installations requiring sustained steam volume and precise environmental control across four large suites.
Maximum steam capacity for four expansive suites in luxury resort and large-scale wellness installations.
Ideal for luxury resort spas, large hotel developments, high-capacity wellness complexes, and architect-designed commercial steam environments — the 20.0 kW output ensures rapid recovery and dependable saturation across four large cubic footage rooms.
Operating on dual breakers, the 20.0 kW system safely manages elevated electrical demand while maintaining operational stability across all four suites — providing reliable continuous performance during extended commercial operating hours.
The split-tank design and stainless steel housing improve durability and protect internal components in high-output four-room installations — engineered to withstand sustained commercial use over years of operation.
The pressurised cleaning system helps preserve heating efficiency by reducing mineral buildup — particularly important in high-capacity four-room models where consistent performance across all suites is critical.
Backed by ThermaSol's 5-Year Commercial Warranty, the Day Spa 650 4-Room delivers dependable long-term performance in large-scale professional installations — built for resort spas and high-capacity hospitality projects.
Designed, engineered, and built in the U.S.A.
Watch how the ThermaSol Day Spa Series delivers maximum-capacity steam across four expansive commercial suites with dual independent electrical control and sustained high-output performance.
| Input Voltage | 208–240 VAC, 1-Phase |
| Kilowatt Rating | 20.0 kW |
| Max Amperage | 46/46 AMPS |
| Breaker Size | 50/50 AMPS (2 independent) |
| Wire Gauge | 8/8 |
| Electrical Connection | IEC 309 |
| Warranty | 5-Year Commercial |
| Max Room Size | 650 cu. ft. (per room) |
| Room Configuration | 4 Steam Rooms |
| Width | 18" (45.7 cm) |
| Depth | 22" (55.9 cm) |
| Height | 17" (43.2 cm) |
| Weight | 46 lbs (20.9 kg) |
| Water Inlet | 3/8" Compression |
| Steam Outlet | 3/4" NPT |
| Drain Pan | 3/4" NPT |
| Safety Valve | 3/4" NPT |
Must be installed by a qualified electrician and plumber on dedicated dual circuits. Generator can be located up to 50 feet from the steam rooms. Monthly PowerFlush™ cycles are recommended to maintain peak efficiency in commercial use.
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