How to use a Booster Pump to Increase Water Pressure - Guide

Posted on Jul 8, 2020

Water Booster Pump

Water booster pumps increase water pressure and flow rate to the required level. The booster pump has many properties. It boosts pressure and drives the water from the storage tank to the water outlets in the residence, office, or factory.

Have you ever heard the noisy sound that makes a sound when you turn on the water or tap in your home or bathroom? Well, it's probably a water booster pump.

Reasons for Low Water Pressure

There are several reasons why the water pressure drops, including gravity, distance from the water source to the outlets, inadequate local water supply, add-ons to the system, and more. We will discuss some of the primary causes in the following paragraphs.


Gravity drives or slows down the flow of water. The higher the level at which the water needs to be supplied, the lower the water pressure. In some cases, the amount of water weighs more than 3 kilograms. If the water flows upward through several floors, gravity wants to direct it back down.

Buildings below the water source may not have the same problem. Skyscrapers, apartment buildings, homes, and multi-story businesses require a large booster pump to transport water over multiple floors.

Distance to the Water Source

The path takes from the water source and the diameter of the water pipes affect the water pressure. If your home or business is at the end of a water supply line, the water flow may be low before it reaches you. And if your water pipes are too small, less water will flow through your devices.

Low Pressure from the Local Water Supply

Your home may be below the water supply, the sewage pipes may be clean, and the water pressure is still low. Sometimes the low water flow is due to low water pressure from the local water supply.

Add-on Water Systems

Additional water treatment systems or other home furnishings provide freshwater but can reduce the water pressure. Adding a booster pump can restore the water pressure.

Other Problems

If the low water pressure is due to gravity, transportation, or additional systems, a water pressure boosting device can solve the problem.

In addition to the possible reasons mentioned above, sometimes low water pressure could simply be due to plumbing problems. It is recommended to check the plumbing before purchasing a water pressure booster. Check if pipes are clogged or whether the reducing valve needs to be adjusted.

How does the Water Booster Pump Increase Pressure and Flow Rate?

A water booster pump increases water pressure by forcing the water to flow faster through the hydraulic lines. However, don't forget the characteristics of the pump: as the pressure necessary for the movement of water increases, the flow velocity decreases. Think about placing your thumb on a garden hose. The water flows out at a higher pressure, but the flow rate is limited by the thumb.

Booster pumps work in the same way. They provide most water at the highest flow rate at low pressure. If the water flows out of the pump without restriction, it moves with a greater flow rate. But when the pump is installed in the sewage system of the house where the water has to flow uphill along the bends of the pipes through the kitchen faucet, then the flow rate is slower and the pressure from the pump is higher.

Booster Pump Applications

Booster pumps increase the low flow of water in water systems or industrial equipment and transport water from a lake, pond, or storage tank for use in a home or commercial building. A household that does not get enough pressure from the water supply would need a pump to raise the low water pressure. The hotel needs a large commercial booster pump to send the water to the top of history.

The booster pump is also used to recompress the water from the tank and send it to your faucet or home. For example, in a rain collection system, water collects in the tank. To use it for flushing toilets or washing linen, you need to pump water from the tank into your home. You can use a booster pump to move the water.

Homemade Booster Pump

A single water booster pump can increase water pressure throughout the house. Sometimes well users want to increase the flow from a low regeneration level to their home.

Small volume wells do not produce enough water to meet the needs of households. A water pressure booster draws water from a well to increase the water pressure in your home. A private well that does not produce enough water to keep up with demand requires a storage tank to keep the well refilled over time, and a home booster pump from the tank to meet daily needs.

Booster Pump with Expansion Tank

An expansion or hydropneumatic tank can strengthen the reinforced system. The reservoir gives the water extra space as it expands and prevents the booster pump from turning on and off each time the tap is opened. Pumps started by a flow switch may change during startup. A small expansion tank prevents this fluctuation.

The larger tank contains water of a certain volume. This amount of water is drawn from the tank before the pump is turned on again. A larger tank can provide the emptying volume in a private well system to significantly shorten pumping cycles.

Where to Install Water Booster Pumps?

A booster pump should be installed where water needs to be moved. For example, in a household with low water pressure, install a pump on the mainline where water enters the house. Connect the inlet, then the outlet will return to the water source.

Always have a bypass in case the pump fails. A bypass enables the pump to be isolated in the event of failure and the need for a solution. You can bypass the pump and still provide water to your home. Test the pump before connecting it to your home.

Occasionally, a leak can cause the pump to cycle due to low flow rates. The pump is started and stopped cyclically at short intervals. The water booster pumps are activated by flow, pressure, or both. If you find a leak, isolate the pump and test it to make sure it is not a problem. Then you can find the cause and fix the leak.

Booster Pump Noise Controls

Think about pump vibration during installation. The way you install the booster pump can increase the noise that is generated if you are not careful.

Do not install the pump directly on the copper tubing as pump vibration is transferred to the copper and sounds like an airplane flying through the house. Instead, use a flexible connector on the inlet and outlet to minimize vibration sound.

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