Spec Sheet

ManualsBrandsLittle Giant ManualsElectricW12G05S7-21P - 1/2 HP 12 GPM HP Deep Well Submersible Pump (2-Wire 115V)

4" Submersible Well Pumps

• 1/2 hp to 1-1/2 hp

single-phase motors

• Removable suction screen prevents

debris from clogging impellers and

provides full- ow performance

• Hex rubber bearing has multi- ow

channels to keep small particles

away from bearing surface

• Built-in Flomatic™ check valve

assembly provides positive seal,

preventing system drain-back

• Stainless steel bearing sleeve

• Acetal disk facilitates

close tolerances for

increased performance

• Stainless steel up-thrust washer

prevents excessive wear in

severe applications

• Two-year limited warranty

• For both new installs and replacement applications where water must be

transferred under pressure from wells, cisterns, ponds, lakes, and streams

Capacity: 12 gpm (45 lpm)

Discharge: 1-1/4" FNPT (31.7 mm)

Electrical: 115 V, 230 V

Thermoplastic Discharge

Item # Model HP Stages Volts Wire Shut Off (ft) Weight (lbs)

Quick Disconnect

Control Box (QD)

Capacitor Run

Control Box (CRC)

Standard Capacitor Start

Capacitor Run Control Box

558564 W12G05S7-21P 1/2

7 115 2 240 (73.1 m) 24 – – –

558536 W12G05S7-31P 1/2

7 115 3 240 (73.1 m) 24 2801044915 – –

558565 W12G05S7-22P 1/2

7 230 2 240 (73.1 m) 24 – – –

558569 W12G05S7-32P 1/2

7 230 3 240 (73.1 m) 24 558814 558815 –

558566 W12G07S9-22P 3/4

9 230 2 295 (89.9 m) 28 – – –

558570 W12G07S9-32P 3/4

9 230 3 295 (89.9 m) 28 558823 558824 –

558567 W12G10S12-22P 1

12 230 2 395 (120.3 m) 31 – – –

558571 W12G10S12-32P 1

12 230 3 395 (120.3 m) 32 558833 558834 –

558568 W12G15S17-22P 1-1/2

17 230 2 560 (170.6 m) 38 – – –

558572 W12G15S17-32P 1-1/2

17 230 3 560 (170.6 m) 39 – – 558842

Stainless Steel Discharge

Item # Model HP Stages Volts Wire Shut Off (ft) Weight (lbs)

Quick Disconnect

Control Box (QD)

Capacitor Run

Control Box (CRC)

Standard Capacitor Start

Capacitor Run Control Box

558588 W12G05S7-21S 1/2

7 115 2 240 (73.1 m) 24 – – –

558600 W12G05S7-31S 1/2

7 115 3 240 (73.1 m)) 24 2801044915 – –

558589 W12G05S7-22S 1/2

7 230 2 240 (73.1 m) 24 – – –

558593 W12G05S7-32S 1/2

7 230 3 240 (73.1 m) 24 558814 558815 –

558590 W12G07S9-22S 3/4

9 230 2 295 (89.9 m) 28 – – –

558594 W12G07S9-32S 3/4

9 230 3 295 (89.9 m) 28 558823 558824 –

558591 W12G10S12-22S 1

12 230 2 395 (120.3 m) 31 – – –

558595 W12G10S12-32S 1

12 230 3 395 (120.3 m) 32 558833 558834 –

558592 W12G15S17-22S 1-1/2

17 230 2 560 (170.6 m) 38 – – –

558596 W12G15S17-32S 1-1/2

17 230 3 560 (170.6 m) 39 – – 558842

12 GPM

Thermoplastic and Stainless Steel

Applications

Model Characteristics

Features

Series Speciﬁ cations

Summary of content (3 pages)

PAGE 1
4" Submersible Well Pumps 12 GPM Thermoplastic and Stainless Steel Applications • For both new installs and replacement applications where water must be transferred under pressure from wells, cisterns, ponds, lakes, and streams Features • 1/2 hp to 1-1/2 hp single-phase motors • Removable suction screen prevents debris from clogging impellers and provides full-flow performance • Hex rubber bearing has multi-flow channels to keep small particles away from bearing surface • Built-in Flomatic™ check valve as
PAGE 2
4" Submersible Well Pumps 12 GPM Thermoplastic and Stainless Steel Performance Curve 700 600 1.
PAGE 3
4" Submersible Well Pumps 12 GPM Thermoplastic and Stainless Steel Capacities in U.S. Gallons per Minute – 12 GPM Model HP W12G05S7 1/2 Stg. PSI 7 Shut Off PSI Model HP W12G07S9 3/4 Shut Off PSI Model W12G10S12 Stg. PSI 1 0 20 30 40 50 60 80 Shut Off PSI Model HP 40 20 40 80 Depth to Pumping Water Level in Feet Max. Press. 100 120 140 160 180 200 250 300 350 400 450 500 550 600 650 700 750 PSI Feet 14.0 12.1 10.2 8.6 13.4 11.5 9.7 8.1 5.5 13.2 11.2 9.4 7.8 4.8 12.9 10.9 9.2 7.5 3.