Oil-Filled Small Submersible Pumps

NK-1 Series Oil-Filled Submersible Pump

Oil-Filled Small Submersible Pumps

NK-1 Series Oil-Filled Submersible Pump

For commercial, industrial, and home use worldwide, where liquid must be transferred or recirculated, Little Giant's NK-1 Series small oil-filled submersible pump is the solution. Applications for this small oil-filled submersible pump include aquariums, swimming pools, water displays, ice makers, air conditioners, boat bailing, fuel oil transfer, circulating water for welding and pipe threading machines, pumping mild chemicals such as soap solutions, acids, plating solutions, and fertilizers.

Features & Benefits

  • 1/150 hp, oil-filled motor
  • 210 gph @ 1'
  • Corrosion-resistant nylon housing
  • Polyethylene screen input
  • 1/4" MNPT outlet accepts 1/2" I.D. tubing
  • Thermally protected
  • Can be installed horizontally or vertically


The NK-1 Series is a portable small submersible pump constructed with a 1/150 oil-filled motor with nylon housing, cover, and volute. This small submersible pump is also equipped with a Fluoroelastomer (FKM) shaft seal used in demanding high temperature and aggressive fluid environments to provide added heat resistance.


Capacity 210 gph @ 1'
Shut Off 10.2' (3.1 m)
Max. Liquid Temp. 120 °F (49 °C)
Discharge 1/4" MNPT (6 mm)
Impeller Nylon
Electrical 115 V, 60 Hz, 1.1 A


Head GPH (LPH)
1' 210 (794.9)
3' 180 (681.4)
5' 150 (567.8)

Order Information

NK-1 Series Small Submersible Pump

Item Model Volts Maximum Flow Rate - 60Hz Shut-Off Flow Rate At 1ft Cord Length
526003 NK-1 115 VAC 3.5 gpm / 210 gph 10.2 ft 3.5 gpm / 210 gph 6 ft