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Sauna Heater Wiring Sizes

Sizing the Sauna Heater

Sizing the sauna heater to match the sauna is important to keep the warm-up time to 20 to 25 minutes
The average home sauna used 2 or 3 times per week will cost about 60 cents per session to operate!

Using your sauna every week will cost you 60 to 70 cents per session or $.60 to $1.80 per week!
  • It costs less to use your sauna than it does to operate your clothes dryer per month.
  • All homes in North America (U.S. and Canada) have 240-volt electrical service - same as your stove!
  • Most sauna heaters are 240-volt for more efficient operating and easier wiring.
  • 110-volt sauna heaters are available only in 2 Kw for small sauna rooms

SPECIAL EDITION SE Sauna Heaters Are All Stainless Steel and Include Controls & Rocks
Saunacore SE Special Edition
Sauna Heater Includes Rocks
- Choice of Controls

Sauna Heater Packages Include ...

  • Most sauna heaters are 240-volt and must be hard-wired according to code
  • 110-volt heaters are available in 2 Kw - for 100 cubic feet sauna
  • Choice of sauna controls - digital or old-style mechanical
  • Heaters 7.5 Kw and larger include the magnetic contactor
  • Igneous granite rocks are included

Sauna Control Options - 3 Choices ...

Heaters are Approved for USA and Canada ...

  • All sauna heaters are approved by UL and CSA to meet the latest UL and CSA electrical standards & safety requirements for sauna equipment, stoves & heaters for USA and Canada.

Wiring for the Sauna Light

The sauna light should be on its own 110 volt circuit. Use a dimmer for optimal lighting control - it's nice to have subdued lighting inside the sauna to help you relax more.

Wire Sizes for Sauna Heaters - Wiring & Breakers ...

For Residential 240-Volt Sauna Heaters, Sauna Stoves & Sauna Equipment
Never Use a GFCI Ground Fault Circuit Breaker
Wiring Sizes are Shown only for General Guidance - to be finalized by certified electrical installer
Heater
KW
Saunacore
& Homecraft
Amperage
Draw 240V
Wire Size
AWG
Breaker
Size
Max
Room Size

Saunacore
Wall-hung:







2 KW 110V

Saunacore 110v

18 Amps

#10

30 Amp

100 cu ft
2 KW 240V
Saunacore 240v
9 Amps
#14
15 Amp
100 cu ft
3 KW Wall
Saunacore 240v
13 Amps
#12
20 Amp
150 cu ft

4 Kw Wall
Saunacore 240v
17 Amps
#10
30 Amp
200 cu ft
5 Kw Wall
Saunacore 240v
21 Amps
#10
30 Amp
250 cu ft
6 Kw Wall
Saunacore 240v
25 Amps
#10
30 Amp
300 cu ft

7.5 Kw Wall
Saunacore 240v
31.5 Amps
#8
40 Amp
375 cu ft
9 Kw Wall
Saunacore 240v
37.5 Amps
#6/#8?
50 Amp
450 cu ft
10.5 Kw Wall
Saunacore 240v
44 Amps
#6?-#4?
60 Amp
525 cu ft

Homecraft
Wall-hung:







4 Kw Wall

Homecraft 240v

17 Amps

#10

30 Amp

200 cu ft
5 Kw Wall
Homecraft 240v
21 Amps
#10
30 Amp
250 cu ft
6 Kw Wall
Homecraft 240v
25 Amps
#8
40 Amp
300 cu ft
7.5 Kw Wall
Homecraft 240v
31.5 Amps
#6
50 Amp
375 cu ft
9 Kw Wall
Homecraft 240v
37.5 Amps
#6
50 Amp
450 cu ft

Floor-mount
Heaters:

 

 
 

10.5 Kw Floor
Saunacore 240v
44 Amps
#6
60 Amp
525 cu ft
12 Kw Floor
Saunacore 240v
50 Amps
#4
60 Amp
600 cu ft
12 Kw Floor
Homecraft 240v
50 Amps
#4
60 Amp
600 cu ft
15 Kw Floor
Saunacore 240v
63 Amps
#3?
70 Amp
750 cu ft
15 Kw Floor
Homecraft 240v
63 Amps
#3?
70 Amp
750 cu ft
18 Kw Floor
Saunacore 240v
75 Amps
#2?
100 Amp
900 cu ft
18 Kw Floor
Saunacore 208v
50 Amps
#4?
70 Amp
900 cu ft
21 Kw Floor
Saunacore 208v
59 Amps
#3?
70 Amp
1050 cu ft


Sauna Heater Sizes & Dimensions -

- For Residential Sauna Heaters, Sauna Stoves & Sauna Equipment


All Sauna Heaters are 240 Volt - Unless Otherwise Shown.
208 Volt Heaters are Shown in the Next Chart Below

Heater Dimensions

Saunacore 2 Kw, 3 Kw: ..... ..... - 15"l x 6"w x 23.5"h
Saunacore 4 Kw, 5 Kw, 6 Kw: - 15"l x 10"w x 23.5"h
Saunacore 7.5 Kw to 10.5 Kw: - 18"l x 12"w x 27.5"h
Homecraft 4 Kw, 5 Kw: .... .... ... - 15"l x 8"w x 22"h
Homecraft 6 Kw, 7.5 Kw, 9 Kw: - 20"l x 12"w x 24"h
Saunacore FL - Floor mounted: - 24"l x 19"w x 31"h - needs 6" clearance on sides

Heater Kw
Type & Size
Sauna Heater Sizes
Total Space Needed
For Heater Guard
Flat on Wall
In Corner

2 to 3 Kw

Saunacore

15"L x 6"W x 23.5"H

21"Lx11"D
4 to 6 Kw
Saunacore
15"L x 10"W x 23.5"H
21"Lx15"D
20"x20"
7 to 10.5 Kw
Saunacore
18"L x 12"W x 27.5"H
23"Lx17"D
22.5"x22.5"
9 to 21 Kw
SC FL
24"L x 19"W x 31"H
32"Lx27"D
32"Lx27"D
Floor Models

Commercial Saunas - 208-Volt Electrical Specifications

    Optional Voltages are Available for
    Non-residential Sauna Heaters     & Commercial Sauna Heaters...
  • Commercial Voltage: 208 volt 1-phase or 3-phase
  • European Voltage: 220 volt 50 Hz
  • Industrial & Commercial Voltage: 440, 480 and 600 volts
  • Wiring Sizes are Shown only for General Guidance - to be finalized by certified electrical installer
Heater
KW
Type
Amperage
208V 3Ph
Wire Size
AWG
Breaker
Size
Min Cu Ft
Room Size

6 KW

Wall-hung

17 Amps - 208v

#10

30A-3Pole

300
7.5 KW
Wall-hung
21 Amps - 208v
#10
30A-3Pole
375
9 KW
All
25 Amps - 208v
#8
40A-3Pole
450
10.5 KW
All
29 Amps - 208v
#8
40A-3Pole
525
12 KW
All
34 Amps - 208v
#8
50A-3pole
600
15 KW
Floor
42 Amps - 208v
#6
60A-3Pole
750
18 KW
Floor
50 Amps - 208v
#4?
60A-3Pole
900
21 KW
Floor
59 Amps - 208v
#4?
70A-3Pole
1050




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