VEVOR Diaphragm Pump, 3 GPM (11.36 L/min), 4-Chamber 12 Volt DC Water Pump with Automatic Pressure Switch 40-100 PSI Adjustable, 55 PSI, 1/2'' MNPT Port, for RV Yacht Food Truck Camper Marine

This pump requires a 12V DC power supply and will not operate without power. If this answer does not resolve your issue, please contact us again for assistance.

The pump can lift water to a height of 30 meters, but it performs best at heights of 25 meters or less. If this answer does not resolve your issue, please contact us again for assistance.