Steamist SMP-24

SM Plus Series 24kW Steam Bath Generator


The Steamist SMP-24 is a 24-kW steam shower generator engineered for large home steam baths and day spa steam rooms from 901 to 1100 adjusted cubic feet (ACF). As a member of the Steamist Plus series generators, the Steamist SMP-24 provides homeowners with pleasant and consistent steam bathing experiences.

Required operating control sold separately.

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The Steamist SMP-24 is a 24-kilowatt steam bath generator engineered for home steam baths from 901 to 1100 adjusted cubic feet (ACF). As a member of the Steamist Plus series generators, the Steamist SMP-24 provides homeowners with pleasant and consistent steam bathing experiences.

Durably constructed of corrosion-resistant stainless-steel, the SMP-24 provides years of maintenance-free operation. The generator is equipped with professional grade parts and heating elements to ensure the optimal performance of the unit. The SMP-24 steam generator features SteadySteam technology to maintain the user's temperature preferences each bathing session.

The compact design of the generator allows the unit to be installed conveniently out of site. Typical installation locations include vanities, closets, insulated attics, and basements.

The Steamist SMP-24 has a 24-kilowatt power rating. The generator is available in 208V/240V 1-phase (PH) configurations and 208V, 3-phase (PH) configurations.

Select the Steamist operating control option with features that best suit your bathing preferences. A Steamist control or control package is required for operation and is available in a variety of attractive finishes.

We highly recommend the Steamist Auto Drain Valve to help prevent harmful mineral buildup on the heating elements and reservoir, ensuring the longevity of the generator. The drain valve automatically drains the steam shower system after the water cools. For added convenience, the Auto Drain may be used with the available Steamist Generator Drain Pan.

The Steamist SMP24 carries a limited lifetime warranty and is fully serviceable. All Steamist SM-Plus residential steam generators are UL and CUL listed for unmatched quality and safety. Steamist SM-Plus generators are available in a variety of power ratings to best suit your bathing needs.

  • For steam baths sized from 901 to 1100 adjusted cubic feet
  • Available in 240V and 208V operation
  • Stainless steel tank
  • SteadySteam technology with 3-stage, industrial grade heating element
  • Modular "snap-in" control connections
  • Durable electronic components
  • Electronic water-level control system
  • Low voltage safety control circuits
  • Solid-state circuitry
  • Available Auto Drain automatic draining system
  • Selectable InstaMist technology standard
  • Optional tandem operation (up to 4 generators)
  • Operates with inside/outside shower, on/off, time/temperature controls
  • Diagnostic LED Displays
  • Full port drain valve
  • ASME safety valve
  • UL 499
  • UL/CUL Listed
  • City of LA - Approved
  • City of New York - M.E.A. Approved
  • 24kW Steam bath generator
  • 6-pin, 6-wire control cable, 35' long with "snap-in" connectors
  • Installation and operation manual
  • Limited warranty
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Model SMP-24
Minimum Adjusted Cubic Feet 901
Maximum Adjusted Cubic Feet 1100
Shipping Weight (lbs) 60 lbs
Kilowatt Rating (kW) 24kW
Water Supply Connection 3/8" Compression Connection
Generator Steam Line Connection 3/4" NPT
Steam Head Connection 3/4" NPT
Drain Connection 1/2" NPT
Safety Relief Valve Connection 3/4" NPT
Safety Relief Valve PSIG 15 PSIG
Control 'Rough In' Cut Out 1-1/2" Diameter
Generator Control Connection 6-Pin, Snap-In Connector
Generator Control Cable 35’, 6-Conductor, 22 AWG, Shielded Cable
Width In Inches 19"
Depth In Inches 11.25"
Height In Inches 17"
Required for Operation
Touchscreen Spa Control Package w/ Wi-Fi

The Steamist 550 is Steamist’s most advanced digital control system. Designed for use with all TSG or SM Plus steam generators, the Steamist 550 can operate with all Total Sense Spa options— AromaSense, ChromaSense, AudioSense, and ShowerSense.

TSC-450 Digital Spa Control Package

The TSC-450 control is compatible with Steamist TSG and SM Plus steam generators, and can operate all Total Sense™ Spa Options.

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Digital Time/Temperature Control Package

Designed for use with the TSG or SMP steam generators, the Steamist 250 steam shower control package is programmable for two user settings of temperature and duration. 

The Steamist 250 features an easy-to-read soft touch keypad, allowing bathers to easily navigate through settings. The Steamist 250 digital control system features the innovative dual-temperature sensor technology for superior temperature control.