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Solar SlowPump

The Dankoff Solar SlowPump was the world’s first commercially available low power solar pump. In response to those that claimed it was impossible, the Solar SlowPump was developed by Windy Dankoff in 1983 and has thousands of installed units worldwide over its nearly 40-year life. Produced in a wide range of sizes, the Slow SlowPump is used to draw water from shallow sources and push it as high as 450 vertical feet through miles of pipeline. Designed for reliability and maintainability, wear parts typically last 5-10 years, with an overall life expectancy of 15-20 years before rebuild.

Output:  0.2 – 6.2 GPM (0.75 – 23 LPM)
Max Total Dynamic Head (TDH):  560 ft.  (170m)
Suction Capacity: 20 vertical feet (6 m) at sea level.  Subtract 1ft. for every 1000ft. altitude (1 m for every 1000 m) 
Weight:  12 – 29lbs (5-13kg) – Dependent on model
Notes:  MUST be filtered clean (reference spec. sheet); 15 – 20 year life expectancy
Warranty: 1 year against defects in materials and workmanship

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Models & Details

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ItemDescriptionSales U/MLbs.L”W”H”MSRP
1303-115Dankoff Solar SlowPump 1303-115VAC
2.15gpm, 240' TDH/103.9 psi, Max Amps 1.9
Each (Each)24181210$1,249
1303-12Dankoff Solar SlowPump 1303-12
2.15gpm, 240' TDH/103.9 psi, Max Amps: 15
Each (Each)16181210$999
1303-24Dankoff Solar SlowPump 1303-24
2.15gpm, 240' TDH/103.9 psi, Max Amps: 8
Each (Each)16181210$999
1303-48Dankoff Solar SlowPump 1303-48
2.15gpm, 240' TDH/103.9 psi, Max Amps: 4.25
Each (Each)16181210$999
1304-115Dankoff Solar SlowPump 1304-115VAC
1.48gpm, 320' TDH/138.5 psi, Max Amps: 1.8
Each (Each)24181210$1,249
1304-12Dankoff Solar SlowPump 1304-12
1.48gpm, 320' TDH/138.5 psi, Max Amps: 15
Each (Each)16181210$999
1304-24Dankoff Solar SlowPump 1304-24
1.48gpm, 320' TDH/138.5 psi, Max Amps: 8
Each (Each)16181210$999
1304-48Dankoff Solar SlowPump 1304-48
1.48gpm, 320' TDH/138.5 psi, Max Amps: 4
Each (Each)16181210$999
1308-115Dankoff Solar SlowPump 1308-115VAC
1.00gpm, 400' TDH/173.2 psi, Max Amps: 1.8
Each (Each)24181210$1,249
1308-12Dankoff Solar SlowPump 1308-12
1.00gpm, 400' TDH/173.2 psi, Max Amps: 15
Each (Each)16181210$999
1308-24Dankoff Solar SlowPump 1308-24
1.00gpm, 400' TDH/173.2 psi, Max Amps: 8
Each (Each)16181210$999
1308-48Dankoff Solar SlowPump 1308-48
1.00gpm, 400' TDH/173.2 psi, Max Amps: 4
Each (Each)16181210$999
1310-115Dankoff Solar SlowPump 1310-115VAC
0.70gpm, 440' TDH/190.5 psi, Max Amps: 1.9
Each (Each)24181210$1,249
1310-12Dankoff Solar SlowPump 1310-12
0.70gpm, 440' TDH/190.5 psi, Max Amps: 15
Each (Each)16181210$999
1310-24Dankoff Solar SlowPump 1310-24
0.70gpm, 440' TDH/190.5 psi, Max Amps: 8
Each (Each)16181210$999
1310-48Dankoff Solar SlowPump 1310-48
0.70gpm, 440' TDH/190.5 psi, Max Amps: 4
Each (Each)16181210$999
1322-115Dankoff Solar SlowPump 1322-115VAC
0.39gpm, 440' TDH/190.5 psi, Max Amps: 1.5
Each (Each)24181210$1,249
1322-12Dankoff Solar SlowPump 1322-12
0.39gpm, 440' TDH/190.5 psi, Max Amps: 15
Each (Each)16181210$999
1322-24Dankoff Solar SlowPump 1322-24
0.39gpm, 440' TDH/190.5 psi, Max Amps: 8
Each (Each)16181210$999
1322-48Dankoff Solar SlowPump 1322-48
0.39gpm, 440' TDH/190.5 psi, Max Amps: 4
Each (Each)16181210$999
1403-115Dankoff Solar SlowPump 1403-115VAC
2.50gpm, 440' TDH/190.5 psi, Max Amps: 4.1
Each (Each)26181210$1,749
1403-24Dankoff Solar SlowPump 1403-24
24VDC Battery: 2.50gpm, 440' TDH/190.5 psi, Max Amps: 20.7
24VDC PV: 3.2gpm, 440' TDH/190.5 psi, Max Amps: 16.3
Each (Each)28221614$1,549
1403-24PDankoff Solar SlowPump 1403-24P
24VDC Battery: 2.50gpm, 440' TDH/190.5 psi, Max Amps: 20.7
24VDC PV: 3.2gpm, 440' TDH/190.5 psi, Max Amps: 16.3
Each (Each)28221614$1,549
1403-48Dankoff Solar SlowPump 1403-48
48VDC Battery: 2.50gpm, 440' TDH/190.5 psi,..Max Amps: 11.0 PV / 10.3 Battery
Each (Each)28221614$1,549
1404-115Dankoff Solar SlowPump 1404-115VAC
1.62gpm, 440' TDH/190.5 psi, Max Amps: 3.1
Each (Each)26181210$1,749
1404-24Dankoff Solar SlowPump 1404-24
24VDC Battery: 1.62gpm, 440' TDH/190.5 psi, Max Amps: 15.7
Each (Each)28221614$1,549
1404-48Dankoff Solar SlowPump 1404-48
48VDC Battery: 1.62gpm, 440' TDH/190.5 psi,..Max Amps: 8.4 PV / 7.8 Battery
Each (Each)28221614$1,549
1408-115Dankoff Solar SlowPump 1408-115VAC
1.10gpm, 440' TDH/190.5 psi, Max Amps: 2.5
Each (Each)26181210$1,749
1408-24Dankoff Solar SlowPump 1408-24
24VDC Battery 1.2 gpm, 560' TDH/242.42 psi, Max Amps: 12.8
24VDC PV 1.6 gpm, 560'/242.42 psi, Max Amps 11.5
Each (Each)28221614$1,549
1408-48Dankoff Solar SlowPump 1408-48
48Volt Battery or PV Direct..Max 560' lift.
Battery Max Amps: 7.5A - Battery Flow Range: 1.56 - 1.34 gpm
PV Max Amps: 7A - PV Flow Range: 2 - 1.7 gpm
Each (Each)28221614$1,549
2505-115Dankoff Solar SlowPump 2505-115VAC
2.75gpm, 180'TDH/77.9 psi, Max Amps: 1.9
Each (Each)26181210$1,249
2505-12Dankoff Solar SlowPump 2505-12
2.75gpm, 180‘ TDH/77.9 psi, Max Amps: 15
Each (Each)17181210$999
2505-24Dankoff Solar SlowPump 2505-24
2.75gpm, 180‘ TDH/77.9 psi, Max Amps: 8
Each (Each)17181210$999
2505-48Dankoff Solar SlowPump 2505-48
2.75gpm, 180‘ TDH /77.9 psi, Max Amps: 4
Each (Each)17181210$999
2507-115Dankoff Solar SlowPump 2507-115VAC
3.65gpm, 140'TDH/60.6 psi, Max Amps: 1.8
Each (Each)26181210$1,249
2507-12Dankoff Solar SlowPump 2507-12
3.65gpm, 140‘ TDH/60.6 psi, Max Amps: 15
Each (Each)17181210$999
2507-24Dankoff Solar SlowPump 2507-24
3.65gpm, 140‘ TDH/60.6 psi, Max Amps: 8
Each (Each)17181210$999
2507-48Dankoff Solar SlowPump 2507-48
3.65gpm, 140‘ TDH / 60.6 psi, Max Amps: 4
Each (Each)17181210$999
2605-115Dankoff Solar SlowPump 2605-115VAC
3.16gpm, 360' TDH/155.8 psi, Max Amps: 4.1
Each (Each)27181210$2,299
2605-24BDankoff Solar SlowPump 2605-24
24VDC Battery: 3.16gpm, 360' TDH/155.8 psi, Max Amps: 20.6
Each (Each)32221614$2,099
2605-48Dankoff Solar SlowPump 2605-48
48VDC Battery: 3.16gpm, 360' TDH/155.8 psi,..Max Amps: 11.0 PV / 10.3 Battery
Each (Each)32221614$2,099
2607-115Dankoff Solar SlowPump 2607-115VAC
4.00gpm, 280' TDH/121.2 psi, Max Amps: 4.1
Each (Each)27181210$2,299
2607-24Dankoff Solar SlowPump 2607-24
24VDC Battery: 4.29gpm, 280' TDH/121.2 psi, Max Amps: 20.4
24VDC PV: 5.59 gpm, 280' TDH/121.2 psi, Max Amps 17.8
Each (Each)32221614$2,099
2607-48Dankoff Solar SlowPump 2607-48
48VDC Battery: 4.00gpm, 280' TDH/121.2 psi,..Max Amps: 10.9 PV/10.2 Battery
Each (Each)32221614$2,099

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