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3 Three Inch Bore Pump with Starter Box – 35LPM at 45m head


0.75hp Single 1 Phase 3-wire with Starter Box.  Max Flow = 40LPM @ 34m head.   Best performance = 35LPM @ 45m head

Additional information

3 Three Inch Bore Pump

Buy 0.75hp 3 Three Inch Bore Pump, Motor and Starter assembly.

3 Three inch bore pumps are often used down old windmill bores or wells. They have a smaller diameter (75mm) than other bore pumps, so can fit down smaller diameter casings.

This assembly includes a 3 inch submersible pump, motor & starter box only.

0 liters per min / 0.00 liters per second @ 71m head
10 liters per min / 0.16 liters per second @ 66m head
20 liters per min / 0.33 liters per second @ 58m head
30 liters per min / 0.50 liters per second @ 48m head
35 liters per min / 0.58 liters per second @ 41m head
40 liters per min / 0.66 liters per second @ 34m head
45 liters per min / 0.75 liters per second @ 26m head
50 liters per min / 0.83 liters per second @ 18m head

This model has a 0.55kw/0.75hp 3-wire (4-core) single 1 phase motor.

The starter box contains the circuit breaker and capacitor.  However, if you would like the added feature of ‘water level monitoring’ probes, you will need to purchase this pump with the Automatic Control Box.  These probes included with the Automatic Control Box are installed down the bore with the pump and are wired into the control box. If there is not enough water, the system will shut down until the water level in the bore recovers and will allow the system to restart when the water level in the bore recovers. Handy if you don’t know the flow of the bore or have a low yielding bore.

There are other accessories that you will need to install your bore pump which include bore cap, drop cable, support cable, riser pipe, pressure gauge, etc. These are listed below.
Please be sure that your pump and accessory selection is correct before you purchase as the onus is on you. This is why I have included suggestions below with links, to ensure you select the correct size accessories for this model pump.

This model has a 1 inh (25mm) discharge thread and the working current is 4.4 Amps.

Options to purchase with your kit to suit this pump:

Electrical Cable

The info below is a guide only, you must check with your electrician on cable size.
3-wire/4 core:

  • 1.5mm sq cable up to 45m
  • 2.5mm sq cable up to 75m

Always check with your electrician. He will do volt drop calculations to meet site requirements to comply with AS.

Stainless Steel Support Cable – Available in 3mm cable or 4mm cable

Stainless Steel Support Cable Grips/Clamps – Available in 3mm or 4mm to suit S/S Cable

Pressure Gauges Liquid Filled 63mm – Available in 0-800kPa, 0-1000kPa, 0-1600kPa and 0-2400kPa

Installation Roller

The installation roller fits on the top of the bore casing making it easy to lift and lower the bore pump down the borehole.

More Information

Motor Size 0.55kw / 0.75hp
Phase Single 1 Phase 3-wire
Rated Flow (LPM) 35
Size 3″ Inch
Discharge (mm) 25mm – 1″
Brand OEM
Warranty Period 1 Year





0.55 / 0.75

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