Diaphragm pump main for clean water,sea water & light corrosive chemical liquid transfer usage.These pumps automatically turn themselves on and off when you turn the tap on and off.Comes with filter and fittings.These pump are for intermittent use only.A great pump for those country folk,with a small family,on tank water who only need to boost the pressure from a tank next to the house.We have tested these pumps and found they will operate to a 2.5 meters suction lift and 14 meter head with no problems.

Model HY-304553R/HY-304554R: 115v/220v water pump:Max 3.0 Gallons Per Minute capacity flow,and 55 PSI pressure.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),use it with fresh or salt water or other liquid with weak acid&alkaline is ok.

Model HY-304553R/HY-304554R: 115v/220v water pump:Max 3.0 Gallons Per Minute capacity flow,and 55 PSI pressure.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),use it with fresh or salt water or other liquid with weak acid&alkaline is ok.

Model HY-304551R: 12v/24v water pump:Max 3.0 Gallons Per Minute capacity flow,and 55 PSI pressure.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),use it with fresh or salt water or other liquid with weak acid&alkaline is ok.

Model FL-35: Multi-fixture for RV & Marine fresh water installations. Other uses may include 100-240V AC pressurized water systems in cabins. RV pump may be used for general fresh water, sea water & salt water transfer. (Liquid with weak acid & alkaline is ok)

Model HY-50604T: 220 volt pump water 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) ,use it with fresh or salt water or other liquid with weak acid&alkaline is ok.The pump with built-in pressure switch, can be working automatically，when the tap turn on-off, also can do bypass system model.

Model HY-50603T: 115 volt pump water 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) ,use it with fresh or salt water or other liquid with weak acid&alkaline is ok.The pump with built-in pressure switch, can be working automatically，when the tap turn on-off, also can do bypass system model.

Model HY-40604T: 220 volt pump water 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) ,use it with fresh or salt water or other liquid with weak acid&alkaline is ok.The pump with built-in pressure switch, can be working automatically，when the tap turn on-off, also can do bypass system model.

Model FLO-2203: 12v dc water pump:Tower type pump head, providing various sizes offittings, easy to connect to any outlet.