Sorry to get here so late!
usually the intake of a pump is the centre of the impeller so that would be the lower one.
the outlet is on top.
your pump looks like it has a sump (offset centre of impeller, must be at the bottom) to hold water so that it remains primed all the time.
The braided hose is connected to the cylinder (pressure cell) which has a diaghram inside that controls the amount of pressure that remains in the outlet system, so the pump stays off if you draw a glass of water or if you wash your hands quickly.
usually the intake of a pump is the centre of the impeller so that would be the lower one.
the outlet is on top.
your pump looks like it has a sump (offset centre of impeller, must be at the bottom) to hold water so that it remains primed all the time.
The braided hose is connected to the cylinder (pressure cell) which has a diaghram inside that controls the amount of pressure that remains in the outlet system, so the pump stays off if you draw a glass of water or if you wash your hands quickly.
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