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Little Giant NK Series Permanently Lubricated Submersible Pump

Permanently lubricated pump featuring an oil-filled motor housing with a radial lip seal on the motor shaft. They have an exceptional life expectancy because the oil serves as a continuous lubricant for all moving parts and the shaft seal.This non-toxic dielectric oil, often parried with an aluminium, cast iron or plastic.

  • Operates submersed or in-line
  • Epoxy-coated aluminium housing, nylon volute and impeller
  • Inlet cover with snap off screen for easy cleaning
  • 1/4" male NPT outlet accepts 12.5mm hose

Aussie's Observations about  NK Series Permanently Lubricated Submersible Pump

Budget • Good • Better • Best • Superior

Water transfer and circulation.

High quality pump suitable for industrial processes.

Nothing at all.

Product Price Max Flow L/Minutelitres per minDimensionsLxWxH mmMax Flow L/Hourlitres per hourMax Head HeightMetersMax Suction DepthMetersInlet Thread BSPmmOutlet Thread BSPmmVoltagePower Cable LengthWattsHorsepowerFuel TypeApproved for Drinking Water AS/NZ4020Made inWarrantyYearsModel Number
Little Giant NK-2 Permanently Lubricated Submersible Pump Part Number 527076
$484.20 $538.00
20105 x 105 x 11612002.8510mm Female10mm Male230v3.6m100USA1527076
Little Giant NK-1 Permanently Lubricated Submersible pump Part Number 526076
$438.30 $487.00
15105 x 105 x 1169002.2510mm Female10mm Male2303.6m70USA1526076

Applications include 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.

Made in America
1 year warranty
NK-1 NK-2
Max Litres per hour 900 1200
Max Litres per minute 15 20
Head - or zero flow height 2.25m 2.85m
Flow rate at different heights Chart below Chart below
Maximum liquid temperature 50°C 50° c
Power usage - watts 70W 100W
Length, width, height - cm 10.5 x 10.5 x 11.6 10.5 x 10.5 x 11.6
Weight 2.0 kg 2.0 kg
Power Cord length 3.6 metres 3.6 metres
Shaft material Stainless Steel Stainless Steel
Thermal shut off (automatic) Yes Yes
Inlet thread when used as an in-line pump 3/8" female NPT 3/8" female NPT
Inlet when used as a submersible pump Snap off screen Snap off screen
Outlet Fitting 1/4" male NPT and
1/4" male NPT elbow
1/4" male NPT and
1/4" male NPT elbow
National warranty - Australia wide 1 year 1 year


Flow rates at different pumping heights - litres per hour
Model @ .3m @ .9m @ 1.5m Head / Shut Off**
NK-1 908 681 567 2.25m
NK-2 1020 851 681 2.85m
**Head / shut off - The higher the water is pumped, the less the flow until the maximum pumping height is reached. It is critical that this is understood, this height is where the water stops flowing.