Stiebel Eltron DHC Tankless Water Heater Technical Data

Model

 

DHC 3-1

DHC 3-2

DHC 4-2

DHC 4-3

DHC 5-2

DHC 6-2

DHC 8-2

DHC 10-2

Phase

 

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Voltage

V

120

208

240

208

240

277

208

240

208

240

208

240

208

240

Wattage

kW

3.0

2.5

3.3

2.9

3.8

4.5

3.6

4.8

4.5

6.0

5.4

7.2

7.2

9.6

Amperage

A

25

12

14

14

16

17

18

20

22

25

26

30

35

40

Min. required circuit breaker size

A

30

15

20

20

20

20

30

30

30

30

40

40

40

50

Recommended wire size

AWG COPPER

10

14

12

12

12

12

10

10

10

10

8

8

8

8

Min. water flow to activate unit

GPM / Lmin

0.32 / 1.2

0.32 / 1.2

0.42 / 1.6

0.42 / 1.6

0.42 / 1.6

0.47 / 1.8

0.69 / 2.6

0.79 / 3.0

Weight

lbs. / kg

4.6 / 2.1

5.3 / 2.4

5.3 / 2.4

4.6 / 2.1

4.6 / 2.1

4.6 / 2.1

5.3 / 2.4

5.3 / 2.4

Dimensions (H / W / D)

in. / cm

14 3/16 (36.0) / 7 7/8 (20.0) / 4 1/8 (10.4)

Nominal water volume

Gal / L

0.13 / 0.51

Working pressure

PSI / bar

150 / 10

Tested to pressure

PSI / bar

300 / 20

Water connections

 

1/2" NPT

Temperature Increase Above Incoming (Ambient) Water Temperature

DHC Temperature Chart

DHC Temperature Graph

 

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