Printable Version

Mr Steam CU500

12KW Steam Boiler

12KW Steam Boiler

MSRP: $5,400.00
Your Price: $4,320.00

Features Includes Specs Technical Play Video »


  • Capable of steaming rooms (1-2) up to a total of 500 cubic feet
  • Available in 208V/3PH, 240V/3PH, 208V/1PH, 240V/1PH and 480V/3PH operation
  • Industrial grade, stainless steel element
  • Pressurized vessel for Steam on Demand operation
  • Durable electronic components
  • ASME low-pressure operation compliance
  • National Board registered vessel
  • Room hi-limit temperature safety system
  • Requires electronic steam room temperature control
  • Operating, electronic hi-limit and ASME safety valve pressure control systems
  • UL listed, CSA certified, and built to ASME B and PV code
  • Sight glass
  • Full 1” drain port
  • NOTE: Additional Freight Charges May Apply.

    Click here for Steam Room Design Guidelines


  • Installation and Operation Manual 
  • Product Warranty 

    Accurate Industries Provides
  • Performance Guarantee 
  • Quality Assurance 

    Download Adobe Acrobat  Get Adobe Reader

  • Specs

    Model   CU500
    Minimum Adjusted Cubic Feet   361
    Maximum Adjusted Cubic Feet   500
    Kilowatt Rating (KW)   12 KW
    Shipping Weight (Lbs.)   250 lbs
    AC Voltage   Electrical Chart
    Phase   Electrical Chart
    Nominal Amperage   Electrical Chart
    Recommended Protective Device   Electrical Chart
    Recommended Minimum Copper Wire Supply   Electrical Chart
    Water Supply Connection   1/2" NPT
    Generator Steam Line Connection   1/2" NPT
    Steam Head Connection   3/4" NPT
    Drain Connection   1" NPT
    Safety Relief Valve Connection   3/4" NPT
    Safety Relief Valve PSIG   15 PSIG
    Control “Rough-In” Cut Out   3-1/2" x 3-1/2"
    Control Sensor Cable   30' 5", 25', 2 Conductor, 24 AWG, Shielded Cable
    Control Sensor “Rough-In” Cut Out   3/8" Diameter
    Generator Control Connection   6 Position Terminal Block
    Generator Control Cable   6" Long, 4 Conductors, 16 AWG
    Width In Inches   20"
    Depth In Inches   20"
    Height In Inches   38"

    Play Video »

    Product Options

    Voltage & Phase: 

    Rely on us! Use these buttons to see our recommendations. You can also add or remove items to suit your needs.

    Generator Control Packages (Required)

    Digital 1 Control Package CU Boiler  Digital 1 Control Package CU Boiler CU1-DIGITAL1
    MSRP: $1,050.00
    Your Price: $945.00

    Mr Steam Operating Accessories

    30-Minute Digital Timer  30-Minute Digital Timer CU-99216DIG
    MSRP: $525.00
    Your Price: $420.00
    AromaSteam Steam Head  AromaSteam Steam Head 99212-34PC
    1/4" KVA Transformer  1/4" KVA Transformer CU99331
    MSRP : $475.00
    Your Price: $380.00

    Voltage & Phase: 

    Manual Reset Low Water  Manual Reset Low Water CU81017MR
    MSRP: $625.00
    Your Price: $500.00
    Automatic Blowdown Kit  Automatic Blowdown Kit CU-81600-1
    MSRP: $1,500.00
    Your Price: $1,200.00
    ASME Code Blowdown Tank  ASME Code Blowdown Tank CU-BDT-ASME36
    MSRP: $2,600.00
    Your Price: $2,080.00
    Oil Pump  Oil Pump CU-AromaFloA
    MSRP: $1,050.00
    Your Price: $840.00
    Eucalyptus 2.6 gal  Eucalyptus 2.6 gal CU-Oil1
    Lavender 2.6 gal  Lavender 2.6 gal CU-Oil2


    Commercial Steam Room Door, ADA Construction  Commercial Steam Room Door, ADA Construction SteamTight 440
    MSRP : $4,076.00
    Your Price: $3,057.00

    Frame Options: 

    Glass Type: 

    Door Hinge on:    View Hinge Options

    Closer Style: 

    Mounting To: 

    Custom Door Size: (Enter dimensions below)


    Steam Room Lighting  Steam Room Lighting SSL-CLI

    Available Models: 


    Steam Room Speakers  Steam Room Speakers SSL-CSP

    Available Models: 


    Essential Oils 5gal  Essential Oils 5gal AI500-5
    MSRP : $290.97
    Your Price: $218.23

    Available Oils: 

    Menthol Crystals 5lb  Menthol Crystals 5lb AI500-M5
    MSRP: $267.95
    Your Price: $200.96


    Steam Room Seating  Steam Room Seating SSL-CSE

    Available Models: 


    Steam Door Squeegees  Steam Door Squeegees SSL-CSQ

    Available Models: 

    Installation Materials

    Brass Close Nipple  Brass Close Nipple SSL-T414

    Available Sizes: 

    Tee, Brass, 1/2", Accurate Industries  Tee, Brass, 1/2", Accurate Industries AromaMist010

    Available Sizes: 

    AccuRate Steam Regulator  AccuRate Steam Regulator SSL-T440

    Available Sizes: 

    AccuRate Steam Strainer  AccuRate Steam Strainer SSL-T446

    Available Sizes: 

    Dielectric Union  Dielectric Union SSL-T525

    Available Sizes: 

    Brass Union  Brass Union SSL-T528

    Available Sizes: 

    Copper Union  Copper Union SSL-T531

    Available Sizes: 

    Reducer, Brass, 1/2" x 1/4" RGH, Accurate Industries  Reducer, Brass, 1/2" x 1/4" RGH, Accurate Industries AromaMist013

    Available Sizes: 


    Digital Steam / Sauna Room Thermometer w/ Stainless Sensor Guard, 3-1/2"  Digital Steam / Sauna Room Thermometer w/ Stainless Sensor Guard, 3-1/2" PreciseTemp 320
    MSRP: $253.00
    Your Price: $189.75
    Support Bars  Support Bars SSL-T504
    MSRP : $39.95
    Your Price: $29.96

    Available Sizes: 

    Adhesive Strips, 60'  Adhesive Strips, 60' SSL-T509
    MSRP : $79.95
    Your Price: $59.96

    Available Sizes: 


    Steam Room Cleaner, 1-Gallon  Steam Room Cleaner, 1-Gallon SSL-T562
    MSRP: $24.95
    Your Price: $22.46
    Steam Room Cleaner, 22oz Spray Bottle  Steam Room Cleaner, 22oz Spray Bottle SSL-T574
    MSRP: $14.90
    Your Price: $11.18
    Scale Buster  Scale Buster SSL-T376
    MSRP: $45.00
    Your Price: $40.50


    90° Elbow PVC Insulation Cover  90° Elbow PVC Insulation Cover SSL-T521
    Price: $3.95
    TrueTemp Thermometer  TrueTemp Thermometer SSL-T523
    MSRP: $456.00
    Your Price: $342.00
    Summary of your product selections
    Products Qty. Price
    Total  $4,320.00
    12KW Steam Boiler 1 $4,320.00