Mr. Steam MS400E MS-E Series 9kW Steam Shower Generator

Bring the spa home with the Mr. Steam MS400E MS-E Series 9kW Steam Shower Generator—a compact, efficient, and durable solution for creating a rejuvenating steam bath experience. Perfectly sized for steam rooms between 162–257 adjusted cubic feet, this premium generator delivers quick, consistent steam for relaxation, detoxification, and improved skin health.

Engineered with stainless steel construction and an industrial-grade heating element, the MS400E is built for long-term performance. Its eco-friendly design minimizes water and electricity consumption, ensuring a sustainable luxury experience. With easy installation, MiniDIN control connections, and optional AutoFlush for hassle-free maintenance, it integrates seamlessly into your home spa.

Experience stress relief, enhanced circulation, and complete relaxation—all at the touch of a button—with the Mr. Steam MS400E.

• Steam Coverage: Designed for steam rooms 162–257 adjusted cubic feet.
• Durable Construction: Stainless steel tank with serviceable heating element.
• Energy-Efficient: Eco-friendly system reduces water and electricity use.
• Smart Controls: MiniDIN connections with optional Auto Drain for easy maintenance.
• Safety Certified: Includes ASME safety valve, low-voltage safety circuits, LED diagnostics, and solid-state circuitry.
• Reliable Quality: UL, CUL, NOM, and CE listed for safety and performance.

• Model: MS400E
• Kilowatt Rating: 9 kW
• Minimum Adjusted Cubic Feet: 162
• Maximum Adjusted Cubic Feet: 257
• Electrical Options: 240V or 208V
• Water Supply Connection: 3/8" NPT
• Steam Line Connection: 1/2" NPT
• Drain Connection: 1/2" NPT
• Safety Relief Valve Connection: 3/4" NPT, 15 PSIG
• Control Rough-In Cut Out: 1"
• Generator Control Connection: 8-Pin Mini-DIN
• Generator Control Cable: 30', 8-conductor, 24 AWG, shielded
• Dimensions: Width 14-1/2", Depth 6-3/4", Height 14-3/4"
• Shipping Weight: 30 lbs
• Safety Listings: UL, CUL, NOM, CE