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12V 45W DC micro water pump (excessive pressure backflow type, without pressure switch)
Flow: around 3L/min
Max pressure: 5-6kg (tested by blocking off the outlet)
Weight: 620g (weights 860g with transformer)
Outer diameter of inlet/outlet: 10mm, suitable for flexible pipe with 7-9mm inner diameter
Lifting: 30-50m (lifting means horizontal flow distance, the absorbing and lifting can be reduced if connect 1/2in pipe)
1, No positive and negative difference
2, The pump can be placed at will
1, The water pump is 12V DC.
2, Can't be drowned in water.
3, Need a strainer in inlet for filtering dirty water.
4, CAN'T pump gasoline, diesel and strong acid and alkali solution. The water temperature can't be over 60 degree C.
5, Self sucking pump is not quiet pump, the noise is around 30-50db.
Common Faults & Methods
1, The pump doesn't work while power on: check the cable connection at the motor back; check if the voltage/current is right, the pump won't work with insufficient voltage/current. Suggest using 12V 5A DC adaptor.
2, The pump works, but with small flow and low pressure: shorten the inlet/outlet water pipe length; change to high power adaptor or high capacity battery.
3, The pressure will reduce after years of usage: change pump head or pump head bracket, membrane.
4, Can't suck after long time idle: pour some water into inlet.
Note: package includes 1pc water pump only.