This series pump can be used for general water transfer, sprayer pumps, small rain system, or other industry usage (perfect for water heater shower, caravans, RV knapsack sprayer, wiper) , use it with fresh or salt water or other liquid with weak acid & alkaline is ok. This tape pumps will operate to 1.2 meters suction. The pump with built-in pressure switch, can be working automatically when the tap turn on-off, It’s intermittent duty tape.