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Flow or pressure is going down
suddenly?
Have you checked…
If connectors and hose of the suction part are perfectly airtight?
If the suction hose is properly immerged?
If the filter of the suction hose is not obstructed?
If the filter of the pump is not obstructed?
You might need to…
Check the suction hose and the connectors airtightness (see
“Pump does not discharge” above).
Clean up the filter of the suction hose.
Clean up the filter of the pump.
The pump starts and stop too often, or
restarts though no water is needed?
Have you checked…
If tank pressure is sufficient?
If the membrane of the tank is in good condition?
If there is no leakage in the suction or in the discharge part
(hose, equipment connected to the booster…)?
If the non-return valve is water-tight?
You might need to…
Add some air in the tank.
Unlock the anti-return valve of the suction kit.
Remake the airtightness of the suction part.
Contact a specialist in order to eplace the membrane of the
tank.
