Water Well Pumps
Water Well Pumps
After a water well is drilled to provide water to your home a well pump in many cases is placed below the water level within the well to pump water into you home. Sometimes in a shallow well pump is used in shallow wells (25’ or less). There are different sizes of pumps available and the size needed for your homes situation is determined by the size of your home, how many water fixtures are in your home, and the water demands of your family.
The pump provides drinking water to your home from a water well in the ground nearby. The well pump is paired with a pressure tank, water pressure is then evened out throughout your home and the number of times your pump needs to turn on and off is reduced.
Choosing a water well pump can be as easy as replacing the one you currently have. New installations or homes with currently undersized pumps, however, may require a little more research prior to purchasing a new pump.
A water well pump is a pump that is used in extracting water from a water well. They include different kinds of pumps, most often submersible pumps.
Shallow Well Pumps
Shallow water well pumps or jet pumps are used in shallow wells with a depth of 25’ or 4 inches in diameter or less. These pumps are not submerged in the well but are instead placed above ground and pump the water through an inlet pipe. This increases the PSI (pounds per square inch) of the pump and allows for constant water pressure to your home.
Water well pumps know when to turn on when the pressure within the home’s water system drops below a certain level. The pump then lifts water into the home until the default pressure is restored. But what controls the water pressure?
Convertible Jet Pumps
Convertible jet well pumps are great for people with a fluctuating water table. These pumps can operate in wells with depths between 0-90’ depending on the assembly. Like shallow well pumps, convertible jet well pumps are not submersible and are placed above ground in a well housing.
Submersible Well Pumps
A submersible pump (or sub pump, electric submersible pump (ESP)) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in the water to be pumped. Designed to operate in the deepest wells, ranging from 90-300’ deep. The main advantage of this type of pump is that it prevents pump cavitation, a problem associated with a high elevation difference between pump and the water surface. Submersible pumps push water to the surface as opposed to jet pumps having to pull water. Submersibles are more efficient than jet pumps.
The major advantage to a submersible pump is that it never has to be primed, because it is already submerged in the water. Submersible pumps are also very efficient because they don’t really have to spend a lot of energy moving water into the pump. Submersible well pumps are available in 2-wire and 3-wire models. 3-wire models feature above ground starter controls, making maintenance much easier compared to 2-wire models.
What About Water Pressure?
What controls the water pressure is a water well pressure tank. When someone turns on a faucet, air pressure in the tank forces water throughout the plumbing until the pressure drops to the preset trigger pressure, usually set at 20 to 40 psi (pounds per square inch). That tells the water pump to turn on, and water is then drawn into the house and tank.
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