Home Well Jet Pumps from Grundfos, FloForce and Little Giant

Well Jet Pumps from Grundfos, FloForce and Little Giant

 

A water well jet pump is used to draw water up from a well. There are two types of jet well pumps: shallow and convertible jet pumps. Shallow well jet pumps are used where vertical water lift is less than 25 feet. Convertible jet pumps can be used as shallow well type with jet ejector assembly mounted on the pump, or as deep well pumps with jet ejector placed into the well beneath the water surface. The later assembly allows the well pump to efficiently operate with vertical lifts up to 82ft. These pumps are installed above ground, and therefore categorized as non-submersible.

 

FloForce Jet Pumps
FloForce Jet Well Pumps
Shallow well and deep well pumps by floForce offer a simple and cost-effective solution for well water needs in typical residential and small agricultural & irrigation applications. These pumps are powder coated for enhanced corrosion resistance and feature a high efficiency motor enclosed in aluminum housing for optimal heat dissipation. Shallow well and deep well pumps by floForce offer a simple and cost-effective solution for
Starting at $139
Grundfos Jet Pumps
Grundfos Jet Pumps
As a worldwide recognized leader in pumps industry, Grundfos offers a large selection of jet pumps with various housing materials, performance ranges and end applications. Grundfos has the largest variety of well jet pumps on the market with models up to 2HP for heavy use applications. As a worldwide recognized leader in pumps industry, Grundfos offers a large selection of jet
Starting at $199
Little Giant Jet Pumps
Little Giant Jet Pumps
Little Giant Jet Pumps are simple and straightforward, feature a sleek design and a higher than NEMA ratings AO Smith dual compartment motor. These jet well pumps are the high-end type and are precision-designed for low energy consumption and extensive uninterrupted service. Little Giant Jet Pumps are simple and straightforward, feature a sleek design and a higher
Starting at $299

A typical jet pump is a non-submersible type pump with cast iron housing and either 1/2, 3/4 or 1HP (HorsePower) motor rating. All jet pumps are equipped with a pressure switch which activates/deactivates the pump when system pressure reaches threshold levels. Most jet well pumps are dual voltage (115/230V) meaning that they are capable of operating at either voltage. Majority of these pumps have legs or bottom mounting plate which allows to position the pump on top of a well tank with pump stand (such as select Amtrol Well-X-Trol models). A typical location for a jet well pump is indoors, such as inside the house, garage, barn or a designated booth.

 

Shallow Well Jet Pumps

 

Shallow well jet pumps are the basic type of jet pumps, designated for supplying fresh water in applications with vertical water lift at 25ft or less. These pumps are most common and best used in areas with high water table (groundwater level) and high water abundance.

 

Convertible Jet Pumps

 

Convertible jet pump is a modified version of a shallow well jet pump with jet ejector assembly located outside the pump, rather than inside. When mounted directly to the jet pump, the assembly will operate as a standard shallow well type jet pump and will work where vertical water lift does not exceed 25ft. However, by removing the jet ejector assembly and positioning it directly in the well, submerged in water, the operating depth of the pump (vertical lift) is increased to 82ft. This construction is very useful for areas with variable water table (groundwater level).

Selecting and sizing a jet pump involves many factors and steps and although it is possible to size the pump with all necessary information at hand, consulting a professional is highly recommended.

 

Selecting the right size and type of jet pump is important because it directly affects the lifespan, effectiveness and operating costs of the system. An undersized model will deliver less water then needed, while oversize model will consume more electricity. Either case will cause the system to cycle more often, causing excess wear.

 

One of the main factors in choosing between a shallow well and convertible type jet pump is the vertical water lift, which is the distance between ground surface and the end of the suction pipe (usually, a foot valve) submerged in the well. Where the lift is 25ft or less, a shallow well pump is generally used. For lifts over 25ft but less than 82ft, a convertible jet pump is used in a "deep well" assembly.

 

Water table is another primary factor and will indicate the distance between the ground level and the surface of the water in the well (no to be confused with vertical water lift).

 

Well replenishment rate & well capacity are indicators of how fast the well can be replenished, at what rate, and how much water will be available for use. These factors are especially important for drilled and dug wells (which have a limited capacity) and have to be carefully considered. When pumping from a lake or a pond these factors are less important unless the water source has a limited capacity.

 

Peak demand is an indicator of how much water the pump has to deliver during peak hours. The number is typically expressed in GPM and has to be at or below the maximum GPM output of the pump at given conditions.

All well pumps, including jet pumps offer many advantages over municipal water supply, such as lower utility costs, independent water supply and protection from accidental contamination caused by breakage or backflow in municipal water lines.

 

Residential

 

The most common use for water well jet pumps is for supplying fresh domestic water to a residential home. Systems with small demand can perform well with a 1/2HP pump, medium – with 3/4 and larger – with 1HP jet pump.

 

Light Commercial

 

Businesses which occasionally use water in a matter similar to residential use can also take advantage of using jet pumps to supply fresh water.

 

Agricultural

 

Jet pumps are very widespread in agricultural industry and often supply drinking water to livestock.

 

Irrigation

 

Although pumps used for irrigation are typically within 1-2HP range rather than ?-1HP, depending on the size of the irrigated area they may just as well be used or coupled together to meet demanded output.

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