Submersible Solar Pump 2.1-120 | Screw 3″ | 2,100l/hr | Max Head 120m | 48V 540W




You’re looking at the Submersible JCS3-2.1-120 Solar pump kit including Solar Panels to suit. This is the bees knees all round submersible bore bump, its got a solid max head of 120 metres and up to 2,100 litres an hour it fits many scenarios whether you’re pumping from a bore or a dam filling up a 20,000 litre tank or transferring water to another dam this pump has you covered. Featuring upgraded bearings and high grade 316 stainless steel means you’re not going to have to replace it in a year like many cheap pumps that rust out from low grade steel.

At Commodore Australia have a long history in the industry, we are always looking to pair our solar expertise with the highest quality of pumping products on the market. We understand that when you purchase a pump you want it to work exactly as advertised, to last for a long time and to have Australian’s to call if you require any assistance. We offer unlimited support no matter how many years after you’ve purchased from us, to give you true long term value for money. Put our solar pumping experience to work for you today, and get water moving on your property.

Please refer to our pump calculator to get your total head & compare to the curve graph for head & flow ranges. On submersible pumps we recommend not exceeding 65% of maximum head height for this pump that is 78m.

***This flow rate is based on the use of four 270 watt solar panels in bold and two 270 watt solar panels are in brackets.

The difference between Commodore Screw Pumps and Cheaper Submersible Solar Screw Pumps:

  • Commodore uses Japanese bearings in all of it’s pumps as we have identified cheaper low grade bearings to be a significant issue in pumps
  • Commodore’s submersible solar screw pumps are manufactured with SS316 Steel is a high grade steel and is rated higher than many other pumps using 304 stainless steel, see our attached image for a comparison
  • Commodore includes lifetime support on all purchases


  • Max flow rate: 2,100 litres per hour / 35 litres per minute
  • Max head (vertical pumping distance): 120 metres
  • Pump power 540W
  • Outlet Diameter: 3/4″
  • Pump Diameter: 3″
  • Stainless Steel Pump, Motor & Screw
  • NSK Bearings
  • Brushless DC Pump Motor

Package Includes:

  • 540W Brushless DC Submersible Screw Pump
  • MPPT Sealed Solar Pump Controller
  • Solar Panels – 0, 2 or 4 x panels (select from drop-down menu)
  • Well Sensor to stop pumping if the water source is low
  • Tank Sensors to stop pumping if the tank is full
  • Spare Pump Impeller
  • 5 Metre Cable for Solar Panel
  • Instruction Manual

Optional extras:

  • Solar panel stand.
  • Railing/connectors take all the hard work out of building your own stand, they connect to the solar panels and bolt straight onto your own stand.
  • Pressure switch if you’re filling a tank that is some distance from where you’re pumping from. The switch that comes with the system is wired whereas there is an option to purchase a mechanic pressure switch that isn’t wired to the tank.
  • Extra cable. Pump comes with 3 metres of cable on it if you need
    more calculate the distance from where you’re pumping from to where you will
    mount the controller. Maximum 70 metres extra cable for this pump.
  • You can find these extras in Pump accessories – Bore cap, stainless steel hanging cable, dam floats and more.

Use the head calculator to determine your total head and compare it to the head and flow graph.

*** We can assist with 6 month interest free Gem Visa cards, contact us to find out more.

All Commodore solar pumps come with a two year warranty on the pump & controller, with 20 years warranty on solar output to 80%.

Commodore Pump Warranty Statement

Commodore Pumps (motor and pump head) come with a 24 Month warranty, and Commodore Pump Controllers come with a 12 month warranty. New solar panels have a 25 year output warranty. Used solar panels have a 10 year warranty. If your item is found to be defective within the warranty period we will replace the defective part free of charge. You are welcome to send any faulty goods back and our factory trained staff will carry out the repair for you free of charge within the warranty period. Repairs outside of the warranty period are available at a reasonable cost. Shipping is cost of buyer. Consumables (such as helical rotor pump impellers), cables, leads, etc are not covered by warranty. Negligence or misuse is a warranty exclusion. Commodore is not responsible for any direct or indirect expenses or losses related to warranty or non warranty.

Additional information

Weight15 kg
Dimensions51 × 31 × 14 cm
Solar Panels

2x 270w, 4x 270W, No panels

Solar Panel Stand

No Stand, 2 Panel Stand Without Pole, 2 Panel Stand With Pole, 4 Panel Stand Without Pole, Railing/Connectors 2 Panels, Railing/Connectors 4 Panels

Pressure Switch

No Pressure Switch, Pressure Switch

Optional extras

Head Height Calculator


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