WHALE Standard 12 Volt Pump. Standard Submersible Electric Pump 10 ltr/min, 2.4 amps .0.6 Bar, 12 V d.c. Simple, compact and an economical solution. Long life, very quiet with low power consumption. An inexpensive way to update a manual to an electric system. Maximum continuous operation should not exceed 15 minutes. Do not run pump dry as it will cause pump damage. Do not use to pump water that is over 60oc. We recommend the pump stands vertically in the tank Before switching on, place the pump in water and shake for a few seconds to release trapped air. This will ensure successful priming and should be repeated after refilling the water tank.