







The ThermaSol PowerPak Series III 18kW Commercial Steam Generator is engineered for high-performance commercial steam rooms that demand reliability, durability, and precision control.
Designed and built in the U.S.A., this 18kW generator delivers consistent, revitalising steam output for gyms, spas, wellness centres, and hospitality environments.
The innovative split tank design separates the heating and water feed functions, increasing efficiency while extending the lifespan of the generator.
Built for commercial environments that demand reliability every day.
Constructed from industrial-grade stainless steel with a powder-coated outer enclosure, the 18kW PowerPak Series III is built to withstand demanding daily operation. Incoloy heating elements provide superior corrosion resistance, ensuring long-term durability in high-moisture environments.
The integrated PowerFlush™ system uses a pressurised inner tank to break apart sediment and scale deposits. Monthly cycles maintain peak efficiency — and the system uses the steam room's existing drain line, so no additional plumbing is required.
The innovative split tank design separates heating and water feed functions, allowing steam to begin generating within seconds. This architecture improves energy efficiency and significantly extends the operational lifespan of the generator — delivering more output with less wear over time.

The PowerPak Series III 18kW can be installed up to 50 feet away from the steam room, offering greater design flexibility. Front and top access panels simplify servicing and maintenance.
An ideal solution for medium-sized commercial steam rooms seeking dependable, high-output steam performance with intelligent control and long-term reliability. Backed by an 18-month parts and labour warranty.
Watch how the PowerPak Series III delivers high-output commercial steam performance with intelligent programmable control and long-term reliability.
| Water Inlet | 3/8" Compression |
| Steam Outlet | 1" NPT |
| Safety Valve | 3/4" NPT |
| Electrical Connection | Hardwired |
| Weight | 120 lbs (54.4 kg) |
| Width | 18" (45.7 cm) |
| Depth | 19" (48.3 cm) |
| Height | 32" (81.3 cm) |
| Input Voltage | 208–240 VAC, 3-Phase |
| Kilowatt Rating | 18.0 kW |
| Max Amperage | 44 AMPS |
| Overcurrent Protection | 60 AMPS |
| Room Size | Less than 1,000 cu. ft. |
| Warranty | 18-month parts & labour |
| Input Voltage | 480 VAC, 3-Phase |
| Kilowatt Rating | 18.0 kW |
| Max Amperage | 22 AMPS |
| Overcurrent Protection | 30 AMPS |
| Room Size | Less than 1,000 cu. ft. |
| Warranty | 18-month parts & labour |
Must be installed by a qualified electrician and plumber on a dedicated circuit. Monthly PowerFlush™ cycles are recommended to maintain peak efficiency. Uses existing steam room drain line — no additional plumbing required.
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