OWNER'S MANUAL
NK-1 & NK-2 Series Submersible Pumps
The No-Korode (NK) pumps are designed to be used in mild acids,
alkalies, and hard water applications. These small, submersible, oil-
filled pumps have corrosion-resistant nylon housing and are designed
for commercial, industrial, and home applications, including statuary
fountains, water displays, air conditioners, machine tool coolants, and
many other applications where liquid must be transferred or recircu-
lated. These compact pumps feature a 1/4" MNPT discharge, a screen
inlet, and 1' shut-off head capability at 210 GPH (NK-1) and 325 GPH
(NK-2). The NK Series pump is provided with a 6 ft cord.
This product is covered by a Limited Warranty for a period of 1 year
from the date of original purchase by the consumer. For complete
warranty information, refer to www.LittleGiant.com.
Specifications
Model
NK-1
NK-2
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:
Risk of death, personal injury, or property damage due to explosion,
fire, or electric shock.
• Do not use to pump flammable, combustible, or explosive fluids such as gasoline, fuel oil, kerosene, etc.
• Do not use in explosive atmospheres or hazardous locations as classified by the NEC, ANSI/NFPA70.
• When a pump is in its application, do not touch the motor, pipes, or water until the unit is unplugged or
electrically disconnected.
• If the power disconnect is out of sight, lock it in the open position and tag it to prevent unexpected appli-
cation of power.
• Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface or in
water.
HP
Volts
1/150
115
1/40
230
HZ
Amps
1.1
60
1.7
50/60
0.9/0.7
EN
English
Watts
70
100