21kW Wet Steam Generator for 18–24m³ Sauna & Steam Room

STCMOET Series Wet Steam Bath Generator – 21kW for 18–24 m³ Rooms

Transform any steam room or spa enclosure into a professional-grade wellness retreat with this powerful 21kW wet steam generator. Designed for spaces of 18–24 cubic metres, the STCMOET series delivers consistent, enveloping steam at precisely controlled temperatures — ideal for home bathrooms, beauty salons, commercial spas, and dedicated steam rooms. With fully automatic computer control, CE certification, and a durable 304 stainless-steel water tank, this unit is built for reliability and long-term performance.

Made in Mainland China.

Key Features

• Fully Automatic Computer Control Panel – effortless operation with temperature settings from 25°C to 55°C and programmable session timers (1–60 min or 1–12 hours depending on controller type)
• Dual Overheat & Pressure Protection – water flows in immediately upon power-on to protect the heating element; over-pressure protection prevents tank expansion if the steam outlet is blocked
• Water-Shortage Protection – automatic shut-off safeguards the unit when water levels are low
• 304 Stainless-Steel Water Tank – corrosion-resistant, food-grade stainless steel for durability and hygiene
• Stainless-Steel or High-Temperature Painted Shell – modern white finish suits contemporary steam room interiors
• Low-Noise Red Warning Nozzle – high-temperature-resistant plastic nozzle with attractive appearance
• CE & RoHS Certified – meets international safety and environmental standards
• Multiple Controller Options – adaptable to your preferred control setup
• Self-Contained Installation – compact, stand-alone design for straightforward setup

Technical Specifications – ST-210 (18–24 m³)

Full Model Range (3kW–21kW)

General Specifications

• Color: White
• Frequency: 50Hz – 60Hz
• Temperature Range: 25°C – 55°C
• Timer: 1–60 minutes or 1–12 hours (controller dependent)
• Voltage: 220–240V (single-phase) or 380–415V (three-phase)
• Installation: Self-contained unit
• Suitable For: Home bathrooms, beauty salons, spas, dedicated steam rooms
• Certification: CE, RoHS

Elevate Your Relaxation Space

Whether you're outfitting a private home spa or upgrading a professional beauty salon, this steam generator delivers the power and precision you need. Pair it with complementary wellness accessories from our store:

• 792LEDs L7 Large Red Light Therapy LED Panel – Full Body Relaxation 660nm 850nm
• 3D Sleep Mask – Soft Breathable Light-Blocking Eye Mask

Learn more: NIH on massage therapy

Frequently Asked Questions

Q: What room size does the ST-210 wet steam generator cover?

A: The ST-210 model outputs 21kW and is rated for steam rooms measuring 18–24 cubic metres (m³), making it ideal for larger home or commercial spa enclosures in that volume range.

Q: Is this steam generator compatible with both single-phase and three-phase power supplies?

A: Yes. The ST-210 supports both 200–240V single-phase (55A) and 380–415V three-phase (32A) connections, offering flexibility for different electrical installations. Smaller models in the STCMOET range start at 200–240V single-phase only. Always consult a qualified electrician before installation.

Q: What safety features does this wet steam generator include?

A: The unit incorporates dual overheat protection (water flows in on startup to protect the heating element), over-pressure protection (prevents tank expansion if the steam outlet is obstructed), and automatic water-shortage shut-off — all designed for safe, unattended operation.

Q: How do I control the temperature and session duration?

A: The generator features a digital computer control panel that lets you set the steam temperature between 25°C and 55°C. Session timers can be programmed for 1–60 minutes or 1–12 hours, depending on the controller type selected.

Q: What material is the water tank made from?

A: The water tank is constructed from 304-grade stainless steel, which is corrosion-resistant and designed for long-term durability in a high-humidity steam environment. The outer shell is finished in stainless steel or high-temperature paint.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.