QA

Quick Answer: How To Install A Deep Well Jet Pump

Can you use a jet pump on a deep well?

Some well casings are 2” and require special accessories with a convertible jet well pump. If your well casing is 4” or more in diameter, you can use either a jet well pump or a deep well submersible pump, depending on the depth of your well.

How deep can a jet pump go?

The shallow well jet pumps draw water from one line situated in wells no deeper than a maximum of 25 feet deep. Deep well jet pumps use two lines, one for pulling the water, and one for pushing the water into the delivery system. Deep well jet pumps can pump water from wells that range from 25 to 110 feet deep.

Does a jet pump need a pressure tank?

Possible Pressure Tank Problems A pressure tank is important because it keeps water pressure at a constant level. It also keeps the water and air separated. Without these features the water pump would turn on and off quickly – a problem caused cycling – which can quickly burn out the pump motor.

Is a submersible pump better than a jet pump?

Jet pumps pull water, while submersible pumps work by pushing water upward. Since pushing water requires less energy, submersible pumps are often more efficient for deep wells. Choosing a jet pump or submersible pump will likely depend on the depth of your well.

How deep can a 1/2 HP well pump go?

It is 95 feet down and pumps a consistent 11 gallons per minute at 40 psi, which is more than adequate for my needs. Unless you are completely knowledgeable about submersible pump installation, I strongly recommend professional installation.

How far can a jet pump pull water?

The pump at ground level acts as the source of vacuum and has a theoretical lifting capability of about 30 feet (It would lift 34 feet if it could create a perfect vacuum). In practice, 25 feet is all you should design a centrifugal or jet pump to lift in order to have adequate capacity left for water usage.

What size well pump for a 400 ft well?

If the depth of your well is between 25 and 110 feet, you should use a deep well jet pump. If the depth of your well is between 110 and 400 feet, use a four-inch submersible pump. Remember, you can also use a submersible pump for wells as shallow as 25 feet.

How far from the bottom of a well should the pump be?

Pumps should never be set directly at the bottom of a well. It is usually best to place the pump 10 to 20 feet up from the bottom of the well.

How high will a jet pump lift?

It is good for small capacities (20-40 l/min or 5-10 gpm) and lifts up to approximately 40 metres or 125 feet. Jet pumps use the discharge of a high velocity jet into a suction chamber to create a vacuum and educe a fluid into the chamber where it combines with the fluid from the jet.

Are deeper wells better?

In general, when it comes to water quality and well depth, there’s one golden rule: the deeper the well, the better the water quality. As you go deeper down, there’s a higher chance that the water you encounter will be rich in minerals.

Do you need a check valve on a jet pump?

Do I need to use a check valve or foot valve with this pump? Yes. The check valve should be installed in the suction side piping as close to the source of water as possible.

How long should a jet pump run?

Run time is another piece of the puzzle: 4” motors up to ¾ horsepower should run for at least one minute and motors over ¾ horsepower should run a minimum of two minutes to dissipate the heat build up from starting current.

How far can a 1 hp pump push water vertically?

A 1 HP sump pump has significant vertical and horizontal reach, making it ideal not only for residential homes but also for commercial units. These pumps deliver an average of 19 GPH and can lift water from wells that are 200 feet deep.

How far off the bottom of a well should the foot valve be?

To prevent sand and sediment from entering pumping system, foot valve/strainer should be at least 5 ft. (1.5 m) above bottom of well.

Is 1.5 gallons per minute a good well?

A standard 6-inch diameter drilled well can store 1.5 gallons of water per foot. The Water Well Board suggests that the minimum water supply capacity for use inside a home should be at least 600 gallons within a two-hour period, or about 5 gallons per minute for 2 hours.