Water Pumps

Grundfos | Shurflo | Dankoff 1| Dankoff 2

Grundfos Solar Pump 400 Sizing Chart

 Water production based on 4 kwh/m² Winter and 6 kwh/m² Summer insolation (POA)

Trackers will increase daily water production 25-30% above listed values.

WindPower Unlimited, LLC

Head/Wattage

System 1

165 W

System 2

220 W

System 3

275 W

System 4

330 W

System 5

390 W

15 ft./5 M

1.5A3/45

3A2/60

3A2/75

3A2/90

3A2/90

Pump Model

Summer GPD

2650

5400

7350

8950

10000

Winter GPD

1850

3400

5250

6325

7100

Max Flow

7.4

16.7

20.7

24.2

25

30 ft./10 M

1A6/45

2A4/60

3A3/75

3A2/90

3A2/90

Pump Model

Summer GPD

1175

2400

3950

5200

6325

Winter GPD

700

1550

2350

2600

3675

Max Flow

3.6

7.9

14

18

20.2

50 ft./15 M

1A6/45

2A4/60

3A3/75

2A4/90

2A4/90

Pump Model

Summer GPD

725

1550

2000

3150

3950

Winter GPD

275

500

900

1825

2500

Max Flow

2.8

5.7

9.2

10.5

11.9

65 ft./20 M

1A6/45

1A6/60

1A9/75

2A4/90

2A4/90

Pump Model

Summer GPD

340

875

1300

2225

2900

Winter GPD

0

400

750

1025

1575

Max Flow

2

3.5

4.2

8.8

10.1

80 ft./25 M

1A6/45

1A6/60

1A9/75

1A9/90

1A9/90

Pump Model

Summer GPD

130

540

1000

1400

1700

Winter GPD

0

100

525

750

100

Max Flow

1.4

2.8

3.7

4.5

5

95 ft./30 M

1A6/60

1A9/75

1A9/90

1A9/90

Pump Model

Summer GPD

300

750

1150

1425

Winter GPD

0

300

525

750

Max Flow

2.1

3.1

4

4.7

115 ft./35 M

1A9/75

1A9/90

1A9/90

Pump Model

Summer GPD

500

900

1150

Winter GPD

100

350

525

Max Flow

2.6

3.6

4.1

130 ft./40 M

1A9/90

1A9/90

Pump Model

Summer GPD

625

900

Winter GPD

200

375

Max Flow

3

3.7