CAB Self-priming deep well pumps consist of an ejector unit and a centrifugal pump.It  is a convertible, deep well, self-priming, jet pump and is great for draining water from domestic wells. This water pump is also suitable for domestic fittings with small to medium sized pressure tanks.The ejector unit can be put in a 4″diameter well.These pumps are suitable to convey clean water or non_aggressive chemical fluids.They are suitable to pump water from deep well and supply water automatically by pressure tank and pressure control.It is always advisable to install a foot valve with a strainer on the bottom of inlet pipe.