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

Description

If you see a lower price on the Mr. Steam MS400E steam generator, call us, and we'll match it, plus 10% of the difference!


The Mr. Steam MS400E is designed for home steam rooms up to 257 adjusted cubic feet (ACF).


The MS400E steam shower generator is equipped with a stainless-steel tank, industrial-grade heating elements, precision temperature probe, electronic water-level control system, and a variety of other features. LED color indicators which provide visual feedback for diagnostics.


Mr. Steam MS-E Series generators are engineered for years of safe, reliable, clean, and efficient operation. The MS400E steam unit features an advanced microprocessor operating platform and intelligent steam bath technology, making it the perfect choice for residential steam bathing applications.


The compact size of the MS400E allows the generator to be installed conveniently out of sight. The steam shower unit can be installed in vanities, closets, cabinets, and other similar locations.


The MS400E 9kW steam generator is available in 208V (MS400EB1) and 240V (MS400EC1) single-phase (1PH) configurations.


The unit is designed so that steam shower accessories such as aromatherapy and chromotherapy can be easily installed.
 

The MS400E generator requires a Mr. Steam control or control package for operation. Available in a variety of stylish finishes, controls allow you to adjust steam shower functionality such as duration and temperature. Select the available control with features that best suit your preferences.


We recommend the addition of Mr. Steam's AutoFlush automatic drain system with your MS400E generator. The AutoFlush system drains the generator tank to help prevent lime build-up and ensure the best performance from the unit.


The Mr. Steam MS400E steam bath generator carries a limited lifetime warranty and is fully serviceable. All MS-E Series generators are US and Canadian UL listed and NOM certified for your safety.


Mr. Steam generators are designed, constructed, and crafted in the USA.

Features:

  • For steam baths sized from 162 to 257 adjusted cubic feet
  • Available in 240V and 208V operation
  • Stainless Steel tank
  • Industrial-grade, serviceable heating element
  • MiniDIN control connections
  • Available Auto Drain automatic draining system
  • Durable electronic components
  • Electronic water-level control system
  • Low-voltage safety control circuits
  • Solid-state circuitry
  • Diagnostic LED Displays
  • Full port drain valve
  • ASME safety valve
  • UL/CUL/NOM/CE Listed

Includes:

  • 9kW Steam bath generator, 14-1/2"L x 6-3/4"W x 14-3/4"H
  • Installation and operation manual
  • Limited warranty

Product Specifications

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

Model MS 400E
Minimum Adjusted Cubic Feet 162
Maximum Adjusted Cubic Feet 257
Shipping Weight (Lbs.) 30 lbs
Kilowatt Rating (KW) 9kW
Electrical Specifications (refer to Electrical chart)
Water Supply Connection 3/8" NPT
Generator Steam Line Connection 1/2" NPT
Drain Connection 1/2" NPT
Safety Relief Valve Connection 3/4" NPT
Safety Relief Valve PSIG 15 PSIG
Control "Rough In" Cut Out 1"
Generator Control Connection 8-Pin Mini-DIN Connector
Generator Control Cable 30', 8 Conductor, 24 AWG, Shielded Cable
Width 14-1/2"
Depth 6-3/4"
Height 14-3/4"

 

Product Manual

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

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Product Warranty

MrSteam Product Warranty

To register a MrSteam product, simply complete the form on this page and you'll receive confirmation of your submission.

To download a copy of a warranty, click on the MrSteam product category you have purchased:

  • MrSteam Steambath Generator Warranty
  • MrSteam Control & Accessories Warranty
  • MrSteam Steam@Home Warranty
  • MrSteam Towel Warmer Warranty
  • MrSteam Day Spa Steambath CT Series Warranty
  • MrSteam Commercial Steambath CU Series Warranty

By completing this form, not only will MrSteam be better able to serve you, but we'll have information that allows us to continue to improve our products and our communications with you.

Please note that all of your information will be treated with the highest confidentiality. 

Product FAQs

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    Why Choose Green Vista Living


    At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

    We Put Our Customers First


    As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

    We Share Your Passion for the Planet


    Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

    Trusted Industry Experts


    Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

    More Reasons to Love Green Vista Living


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    Frequently Asked Questions

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