Keep the manufacturer's instructions in a safe and accessible place.
To find the impeller, you will need to consult the instructions.
To reduce the chances of having the impeller clog again, clean out the sump basin.
Always keep a spare impeller handy in case the existing one is damaged or corroded.
Make a note of the replacement part number for the impeller and keep it safe.
Make sure your hands are dry before touching the switch and electric socket.
Remove the plug after switching off the appliance. Electricity still travels through cable, albeit at a lower charge.
To keep from receiving electric shocks, either stand on a rubber mat or wear rubber-soled shoes.