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RESIDENTIAL STEAM BATH EQUIPMENT
 Model JR -1 JR -2 JR -3 JR -4
 Watts 3000 4500 6000 9000
 Volts
240
208
240
208
240
208
240
208
 Phase 1 1 1 1
 Fuse @ 240 V 20a 30a 40a 50a
 Fuse @ 208 20a 30a 40a 60a
 Size In Inches
 Length 123/4 16 16 16
 Width 91/4 91/4 121/2 121/2
 Height 9 9 9 9
 Steam Limits
 Number Of 1 1 2 2
 Size In Inches 1/2 1/2 1/2 1/2
 Number Of Steam Heads 1 1 2 2
 Maximum Cubic Ft. Calculated For
 Steam Room
90 175 260 375
Where Tile, Glass Block. Other Heat Absorbing Material Is Used For Wall Construction And Finish A Larger Steam Unit May Be Required. See “Steam Generator Selection” Below For Method Of Calculation.
Steam Generator Selection :
To select proper size of steam generator, calculate the cubic footage in the following manner.
  Depth x width x height = cubic footage. Do not deduct for seating.
  Add to cubic footage calculations for wall and ceiling material etc :
   
 Acrylic or Fibreglass Adjustment
 Ceramic tile, Cultured marble (up to 3/8” thick) +30%
 Glass or glass block wall +15%

 Natural stone (marble, onyx , slate, ceramic tile etc. thicker than  3/8”)

+100%

 Steam lines over 20 ft. (insulates heavily) Cast iron tub

+25%
 Cast iron tub +25%
 Exterior walls subject to freezing +30%
  Relax-a-mist sizing
   
 Model JR -1 JR -2 JR -3 JR -4
 Maximum calculated cu.Ft 90 cu. Ft. 175 cu. Ft. 260 cu. Ft. 375 cu. Ft.
 
Line voltage must be specified when ordering. Single family dwellings usually have 240 Volts AC while condominiums usually have 208 Volts AC.
Disclaimer :
The above information represents suggestions only. Each steam room is unique. REALX-A-MIST manufactures steam generators only and therefore cannot warrant information given regarding steam room materials or constructions techniques.
We also make COMMERCIAL steam generators for fitness centers or large residential steam rooms with : dual room temperature, build in timed air switch, built in time clock, automatic drain flush, boiler thermal protection.
SUGGESTIONS FOR STEAM ROOM DESIGN AND STEAM GENERATOR SELECTION :
ROOM DESIGN
1  

Avoid using construction materials which may corrode or decay.

2  
All inside surfaces must be completely sealed.
3  
All openings where shower head, faucets and steam heads enter the steam room should be sealed with a mildew resistant silicone.
4  
Ceiling and seats may be slightly sloped to allow condensate to run off.
5   Provide a floor drain.
6  

Ceiling height should be limited to a maximum of 8ft. preferably 7ft.

7  
The steam room must be totally enclosed. When closed, the door must be sealed across the top and down both sides but there should be a gap of approximately 1 Inch across the bottom
8  
Ceiling vents are not recommended. If vents and ducts are used they must be of non-ferrous material and be equipped with a damper.
9  

Insulation should be a maximum or R.12. Too much insulation, especially in the ceiling, may cause the room to heat too quickly and not allow the steam to condense properly.

10  
The steam generator must be In an area where It will be accessible dry and can not freeze.
11  
The copper steam Iine(s) should always slope to either the generator or the steam head(s) so as not to form any trap where condensate can accumulate.
12  
Skylights and exterior windows are optional CI they are heat loss sources. If they are used, they must be double pane and be able to withstand the heat of the steam room.
STEAM GENERATOR SELECTION (Residential)
To select the proper size of steam generator, calculate the cubic footage in the following manner
1  

Depth x Width x Height = Cubic Footage Do not deduct for seating.

2   All inside surfaces must be completely sealed.
 Acrylic or fiberglass No adjustment
 Thin ceramic tile or cultured marble +30%
 Thick ceramic tile or cultured marble + 100%
 Each glass or glass block wall + 15%  Natural stone (marble. slate. etc.) +100%
 Steam lines over 25 ft +25%
 Cast Iron tub +25%
 Exterior walls subject to freezing +30%
 
3  
Relax-A-Mist Sizing:
 MODEL MAX CALCULATEO CUBIC FEET

 JR-1

90 cu. ft.

 JR-2

175 cu. ft.

 JR-3

260 cu. ft.

 JR-4 375 cu. ft.
 
4  

Line voltage must be specified when ordering Single family dwellings usually have 240 volts AC while condominiums usually have 208 volts AC

DISCLAIMER
The above Information represents suggestions only. Each steam room is unique. Therefore, we cannot warrant Information given regarding steam room materials or construction techniques.
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