Shallow Well Jet Pumps (1/2HP, 3/4HP, 1HP)
OWNER'S MANUAL
English
EN
The shallow well jet pump is ideal for the supply of fresh water
to rural homes, farms, and cabins. This pump is suitable for
installations where the vertical distance from the pump to the
water level does not exceed 25 ft (7.6 m), including draw-down
(less at high altitudes). The intake is 1-1/4" FNPT while the dis-
charge is 1" FNPT. The pressure gauge port is 1/8" NPT.
This product is covered by a Limited Warranty for a period of 3
years from the date of original purchase by the consumer. For
complete warranty information, refer to www.littlegiant.com
.
Specifications
NOTE: *Refer to “Changing the Voltage” on page 5.
SAFETY INSTRUCTIONS
This equipment should be installed and serviced by technically qualified personnel who are familiar with
the correct selection and use of appropriate tools, equipment, and procedures. Failure to comply with
national and local electrical and plumbing codes and within Little Giant recommendations may result in
electrical shock or fire hazard, unsatisfactory performance, or equipment failure.
Know the product’s application, limitations, and potential hazards. Read and follow instructions carefully to
avoid injury and property damage. Do not disassemble or repair unit unless described in this manual.
Failure to follow installation or operation procedures and all applicable codes may result in the following
hazards:
Model Item Number HP Volts Amps
LGS-50-PREM 558929 1/2
115/230*
11.8 / 5.9
LGS-75-PREM 558930 3/4 14.4 / 7.2
LGS-100-PREM 558931 1 17.6 / 8.8
Risk of death, personal injury, or property damage due to explosion,
fire, or electric shock.
• Do not use in explosive atmospheres or hazardous locations as classified by the NEC, ANSI/NFPA70.
• Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface
or in water until the unit is unplugged or electrically disconnected.
• Do not use to pump flammable, combustible, or explosive fluids such as gasoline, fuel oil, kerosene,
etc.
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