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Install Upright

and Level

Identification

Plate

Electric

Panel Cover

Knockout for

Control Cable

Knockouts for

electrical supply line

Securing

Screws

Water Inlet

" Compression

Fitting

¾" Steam

Outlet

¾" Safety

Relief Valve

*

Dual Kilowatt

  Switch

US 

® 

 

WARNING:

 

Elderly persons, pregnant women, or those suffering from heart disease, high blood pressure, diabetes, or 

who are otherwise not in good health, do not use this device unless directed to do so by a physician. Also, do not use 
steambath while under the influence of alcohol. For additional Important Safety Information, please see a separate 
instruction Pub. No. 199.

!

IMPORTANT: The warranty of this product is voided if it is used in a commercial application or for anything other than a residential 
steambath installation. All electrical connections must be performed by a licensed electrician in accordance with Local and National 
Electric Codes.

Electrical Installation Instructions

Steambath Generator

Models: SM-46 and SM-79

The Steamist “SM” Generator operates with one or two controls 
appropriately located inside and/or outside the steamroom. It’s 
small enough in size to be tucked away using very little space in 
a vanity, closet, basement, or an insulated attic, but large enough 
to provide steam for most residential baths.

The Steamist “SM” Steambath Generator comes factory-
assembled, carefully wired and tested.

NOTE: The TC-110, TC-125, TC-135, TC-150, DSC-425, and 
DSP Controls are designed to work with all Steamist “SM” 
Generators.

1. 

Pre-Installation

a) Proper electrical supply (208 or 240 Volt): See rating 

label on Steam Generator and Chart on back page. 
Determine proper size of wire, voltage, amperage, and 
phase for the Steam Generator. Only UL rated 90°C 
wire can be used.

b) Dedicated overcurrent protection device, such as an 

In-line fuse/circuit breaker required: Fuse/circuit breaker 
to be installed must be sized in accordance with chart 
on back page. Do NOT install a GFI (Ground Fault 
Interrupter) to this equipment (per article 210-8 in the 
National Electric Code).

c) Route power supply cable to the location where the 

Steam Generator will be installed (before walls are 
closed).

2.

 Electrical Rough-in

a) At this time read through the installation instructions for 

the selected control(s).

b) Route appropriate power cable to the location the Steam 

Generator will be installed. If receptacle is desired, 
mount the box for the receptacle near the location of the 
Steam Generator (see Figure 3: Typical Installation).

    NOTE: The plug and receptacle require a rating of no 

less than 250V and proper amperage. Refer to chart on 
page 4 for amperage rating.
    

     After the walls are complete, the Steam Generator and 

Control can be wired.

3.

 

Steam Generator Electrical Installation

 WARNING: 

All power to the Steam Generator must be  

 turned 

off.

 IMPORTANT: The Dual Kilowatt Switch MUST be set to  
 

the proper kilowatt rating in accordance with the    

 

Generator Sizing Guide and Generator Specification  

 

Chart (back page). 

a) Remove the two screws holding the electrical 

access cover and remove cover.

b) Locate the supply line knockout. Mount proper 

strain relief into knockout hole (see Figure 2: 
Internal Electrical Connections).
c) Strip back power cable’s outer insulation jacket 
eight inches and insert into steam generator. Strip 
back insulation ½" from the three (3) incoming 
wires (two power and one ground). 
d) Connect incoming ground wire to floating green 
pigtail labeled “GND.”

    CAUTION:  Be sure the ground wire does not 

come in contact with a live electrical part.  
 
e) Connect incoming power to floating black pigtail 
leads labeled “L1” and “L2.” (see Figure 2: Internal 
Electrical Connections).
f) The Steam Generator is ready for operation once 
the installation of the controls is completed (refer to 
separate Installation and Operating Instructions).

03/09

Pub. No. 217-J

- 1 -

Figure 1 - Steam Generator

®

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