Home / Sizing guide

Find the right size

Answer a few questions and get a recommended generator or pump size. Our team will confirm it before you buy.

Generator size Water pump

Which generator do I need?

Enter how many of each appliance you want to run at the same time.

LED bulbs 10 W

Television 100 W

Fridge 150 W

Deep freezer 250 W

Laptop 65 W

Desktop computer 250 W

WiFi router / decoder 20 W

Phone charging 10 W

CCTV system 60 W

Electric fence energiser 10 W

Iron box 1000 W

Electric kettle 1500 W

Microwave 1200 W

Printer / photocopier 800 W

Hair dryer (salon) 1500 W

Sewing machine 100 W

Water pump 1 HP 750 W

Borehole pump 1.5 HP 1100 W

Air conditioner 1200 W

Welding machine (small) 4000 W

Something else? Name

Watts

How many

Has a motor

How long will it run each day?

Power supply needed

Tell us where the water comes from and where it needs to go.

Water source

Power available at the pump

Depth to the water (metres)

From the ground down to the water level.

Height to lift the water (metres)

From the pump up to the top of the tank or the highest field. A storey is about 3 m.

Pipe length (metres)

What is the water for?

Water needed per day (litres)

Drip irrigation needs about 20,000 litres per acre per day.

Hours of pumping per day