Pump Introductions

​Stream PS130 Automatic Booster Pump: Stable Home Water Pressure with Tank and Protective Cover

Sep. 02, 2026

Stream PS130 Automatic Booster Pump: Stable Home Water Pressure with Tank and Protective Cover

Low or unstable water pressure can turn everyday household activities into a constant inconvenience. A weak shower, slow-filling toilet cistern, inconsistent flow at upstairs taps, or sudden pressure changes when several outlets are opened at the same time are all common signs that a domestic water system may need pressure boosting.

These problems are particularly relevant in many Southeast Asian homes, where building age, storage-tank arrangements, pipe conditions, municipal supply pressure and household water demand can all influence the pressure available at the tap.

The Stream PS130 Automatic Booster Pump is designed as a practical household pressure-boosting solution. Instead of being just a standalone pump, it combines a water pump, sealed pressure tank and pressure switch into an automatic booster system.

A distinctive protective plastic cover surrounds the system, giving the PS130 a clean integrated appearance while helping shield important components from dust, sunlight and everyday outdoor exposure.

With a 370 W motor, maximum flow of 36 L/min and maximum head of 35 m, the PS130 is designed for domestic water supply applications where reliable automatic operation and more stable water pressure are required.

What Is the Stream PS130 Automatic Booster Pump?

The Stream PS130 is an automatic domestic water pressure booster system consisting of three primary functional components:

  • A surface water pump

  • A sealed pressure tank with a non-toxic rubber membrane

  • An automatic pressure switch

These components work together so that the pump can automatically respond to changes in household water pressure.

When a tap or shower is opened and system pressure falls below the pressure-switch setting, the pump starts automatically. When water demand stops and the required pressure is restored, the pump shuts down.

The pressure tank stores a small quantity of pressurized water between pump cycles. This gives the system an important advantage over a basic automatic pump that starts immediately every time even a small amount of water is used.

Stream PS130 Technical Specifications

ModelPS130
Power370 W
Maximum Flow36 L/min
Maximum Head35 m
Automatic ControlPressure Switch
Pressure TankSealed Tank with Non-Toxic Rubber Membrane
Maximum Ambient Temperature+40°C
Maximum Fluid Temperature80°C
Maximum Pressure10 bar
DutyContinuous Rated

Maximum flow and maximum head are boundary values and should not be interpreted as occurring at the same operating point. Actual performance depends on pipe length, pipe diameter, elevation, inlet conditions and the hydraulic resistance of the complete household water system.

Why Is the PS130 Popular for Southeast Asian Homes?

Domestic booster pump requirements vary significantly by region.

In Southeast Asian markets such as Malaysia and Singapore, pumps are frequently installed around landed houses, terrace homes and residential water-storage systems.

In these installations, customers are often looking for more than maximum pump performance. Practical requirements such as compact installation, automatic operation, stable household pressure, protection from outdoor conditions and an appearance that integrates neatly around the home can be equally important.

The PS130 was developed with this type of residential application in mind.

Its combination of an automatic pump, pressure tank and protective outer cover gives the product a distinctly integrated residential design rather than the appearance of a bare industrial water pump.

Designed Around the Malaysian Residential Market

Malaysia provides a particularly useful example of why automatic household booster systems are widely used.

Water pressure available to a home can vary according to location, municipal supply conditions, time of day, building layout and the condition of the home's internal plumbing.

Older properties can present additional challenges. Existing pipes may create more hydraulic resistance, bathrooms may have been added or renovated over time, and modern showers and appliances may place greater demands on a water system that was designed many years earlier.

In homes supplied from a roof tank or storage tank, the available pressure may also depend heavily on the difference in height between the tank and individual water outlets.

A domestic booster pump provides additional pressure so that showers, taps and other household outlets can operate more consistently.

Why Does the PS130 Have a Plastic Cover?

The protective cover is one of the most recognizable characteristics of the Stream PS130.

It is not simply a cosmetic addition.

Water pumps installed around residential properties can be exposed to dust, sunlight, moisture and changing weather conditions.

The PS130 cover is designed to help protect the pump from dust and direct solar exposure, while also providing additional shielding from the surrounding installation environment.

This type of covered pump design is particularly relevant in tropical markets where domestic pumps may be installed around external utility areas, beside water tanks or in semi-outdoor locations.

The cover also creates a cleaner, more integrated appearance that may be preferred in visible residential installations.

Does a Pump Cover Make the PS130 Completely Waterproof?

No pump cover should automatically be interpreted as making the complete electrical pump system fully waterproof unless a specific ingress-protection rating is stated for that configuration.

The PS130 cover helps reduce direct exposure to dust, sunlight and environmental conditions, but correct installation remains important.

The pump should be positioned appropriately, electrical connections should be protected according to local installation requirements, and sufficient ventilation around the motor must be maintained.

A protective cover is an additional layer of protection rather than a replacement for correct installation practice.

The Pressure Tank Is More Important Than It Looks

The sealed pressure tank is one of the most important functional parts of the PS130 system.

Inside the tank is a flexible membrane separating the water side from the pressurized air cushion.

As the pump operates, water enters the tank and compresses the air on the other side of the membrane.

This compressed air acts like a spring, storing hydraulic energy.

When a user opens a tap, some water can initially be supplied from the pressurized tank before the system pressure drops enough for the pressure switch to start the pump.

This changes how the complete booster system behaves compared with a pump operating without a pressure vessel.

How the PS130 Automatic Booster System Works

1. The System Is Pressurized

When no water is being used, the pump remains stopped while the piping and pressure tank remain pressurized.

2. A Tap or Shower Is Opened

Water begins to leave the system and pressure gradually decreases.

The pressure vessel can supply part of this initial water demand from its stored pressurized volume.

3. The Pressure Switch Starts the Pump

When pressure reaches the configured cut-in level, the pressure switch starts the pump automatically.

4. The Pump Supplies the Household

The PS130 delivers water while replenishing pressure in the plumbing system and pressure vessel.

5. Water Demand Stops

After the tap is closed, the pump continues briefly until system pressure reaches the pressure-switch cut-out level.

6. The Pump Stops Automatically

The pressure vessel remains charged and ready for the next water demand.

How a Pressure Tank Helps Reduce Frequent Pump Cycling

Without any hydraulic storage, a pump may need to start whenever even a very small amount of water is required.

Examples include briefly washing hands, filling a glass, a small toilet cistern refill or a minor intermittent water demand.

Repeated start-stop operation is commonly known as pump cycling.

A pressure tank provides a small buffer of pressurized water between pump cycles.

As a result, some minor water demands can be supplied without immediately starting the motor.

Reducing unnecessary cycling can improve the operating behavior of a domestic booster system and reduce repeated mechanical and electrical starting events.

Can a Pressure Tank Help With Water Hammer?

Yes, a correctly designed pressure vessel can help moderate pressure fluctuations and hydraulic pulsations in a domestic water system.

Water hammer occurs when the velocity of flowing water changes rapidly, producing a pressure wave inside the pipe.

A familiar example is the sudden bang or vibration that can occur when a valve closes quickly.

Because a pressure vessel contains a compressible air cushion, it can absorb part of the hydraulic energy associated with pressure changes.

This can help smooth system operation and reduce pressure pulsations.

However, a pressure tank should not be treated as a universal cure for every water-hammer problem. Severe water hammer can also be caused by excessive velocity, fast-closing valves, unsuitable pipe sizing, loose piping or other plumbing-system conditions.

Why Water Hammer Matters in Older Houses

Older residential plumbing can be particularly sensitive to pressure changes.

Pipe supports may have loosened over time, plumbing layouts may have been modified, and existing valves or fittings may behave differently from modern components.

Sudden pressure fluctuations can become noticeable as knocking pipes, vibration or irregular water delivery.

A booster system that combines controlled automatic starting with a properly operating pressure vessel can provide smoother pressure behavior than a simple pump that repeatedly switches on and off without hydraulic storage.

Stable Pressure for Showers and Household Taps

One of the main reasons homeowners install booster pumps is shower performance.

A shower requires both sufficient flow and sufficient pressure.

If household supply pressure is weak, the shower may feel unsatisfactory even when enough total water is available.

Pressure can also change when another family member opens a tap, flushes a toilet or uses another water outlet.

The PS130 adds pressure to the household supply while the pressure tank helps smooth short-duration changes in demand.

Typical Applications for the Stream PS130

Residential Water Pressure Boosting

The primary use of the PS130 is improving domestic water pressure for taps, showers and other household water outlets.

Older Houses With Unstable Water Pressure

The PS130 can be considered where existing residential plumbing provides insufficient or inconsistent usable pressure and where the system conditions are suitable for booster installation.

Water Storage Tank Systems

Many houses use water storage tanks to maintain reserve water supply.

Where gravity pressure from the tank is insufficient, a booster pump can increase delivery pressure to household outlets.

Terrace and Landed Homes

Landed residential properties often have longer internal pipe runs and multiple bathrooms or outlets located at different elevations.

A domestic booster system can help improve water delivery across these installations.

Bathroom and Shower Pressure Boosting

The PS130 can provide additional pressure where weak water delivery affects shower comfort and normal bathroom use.

Key Features of the Stream PS130

Complete Automatic Booster System

The PS130 brings together the pump, pressure switch and sealed pressure tank into one coordinated domestic booster system.

Protective Plastic Cover

The specially designed outer cover helps protect the system from dust and sunlight while providing a cleaner appearance for residential installations.

Integrated Pressure Tank

The sealed pressure vessel stores a small amount of pressurized water and provides hydraulic cushioning.

Automatic Start and Stop

The pressure switch controls pump operation according to changes in water-system pressure.

370 W Motor

The PS130 uses a 370 W motor designed for domestic booster applications.

Maximum Flow Up to 36 L/min

The pump provides maximum flow up to 36 L/min under the specified test conditions.

Maximum Head Up to 35 m

Maximum head reaches 35 m, providing useful pressure capability for household water systems.

Economical and Practical Design

The PS130 follows a relatively straightforward pressure-switch-and-tank architecture rather than relying on complex electronic variable-speed controls.

For users who prioritize a familiar, economical automatic booster system, this traditional arrangement remains highly practical.

PS130 Construction Materials

Pump BodyCast Iron
Motor HousingAluminum
ImpellerBrass
Mechanical SealSteatite Ceramic / Metalized Carbon
InsulationClass B / F
DutyContinuous Rated

PS130 vs. Basic Automatic Booster Pump

FeaturePS130 with Pressure TankBasic Automatic Pump
Automatic OperationYesDepends on controller
Pressure TankIntegratedOften not included
Small Water DemandsTank can provide hydraulic bufferPump may start more immediately
Pressure PulsationTank helps smooth pressure changesDepends on system design
Protective CoverIntegrated protective coverUsually exposed unless separately protected

PS130 vs. Variable-Speed Booster Pump

Modern variable-speed booster pumps use electronic controls and variable-frequency drives to adjust motor speed according to water demand.

They can provide highly stable pressure across changing flow conditions and may offer advanced protection and monitoring functions.

However, a variable-speed booster is not required for every household.

The PS130 follows a more traditional arrangement using a fixed-speed pump, pressure switch and pressure vessel.

This makes it attractive where customers prioritize straightforward operation, familiar mechanical components and a more economical purchase price.

FeaturePS130Variable-Speed Booster
ControlPressure SwitchElectronic Variable-Speed Control
Motor SpeedFixed SpeedVariable
Pressure TankIntegratedDepends on system
System ComplexityRelatively simpleMore electronic control components
Typical PositioningEconomical traditional home boosterPremium constant-pressure solution

Important Installation Considerations

Check the Incoming Water Supply

Before installing any booster pump, identify whether the home is supplied directly from a municipal line, storage tank or another water source.

Local plumbing regulations should always be followed, particularly when connecting a booster pump to municipal water infrastructure.

Do Not Oversize the Pump

More pressure is not automatically better.

Excessive pressure can increase stress on old pipes, valves, flexible hoses and household fixtures.

This is particularly important in older homes.

Check Existing Plumbing Condition

Before increasing system pressure, inspect older plumbing for leaks, weak joints or deteriorated fittings.

A booster pump can improve water delivery, but it cannot repair an unsuitable plumbing system.

Protect the Electrical Installation

The protective pump cover does not eliminate the need for correctly installed electrical protection.

Electrical connections must follow applicable local standards and should be protected against unsuitable environmental exposure.

Maintain Ventilation

The motor requires sufficient airflow for cooling.

Do not block ventilation openings or surround the pump with an additional enclosure that traps excessive heat.

Check Pressure Tank Pre-Charge

Pressure vessels rely on the correct air pre-charge to operate effectively.

Incorrect pre-charge can reduce usable tank volume and contribute to frequent pump cycling.

The pressure tank should be checked and maintained according to the system instructions.

How to Reduce Water Hammer in a Domestic Water System

If a home experiences banging pipes or severe pressure shocks, the complete plumbing system should be evaluated rather than relying only on the booster pump.

Useful measures can include:

  • Maintaining suitable water velocity

  • Using appropriately sized piping

  • Securing loose pipes

  • Checking fast-closing valves

  • Maintaining the booster pressure tank correctly

  • Using dedicated water-hammer arrestors where required

  • Avoiding unnecessarily high booster pressure

The pressure tank in the PS130 provides useful hydraulic cushioning, but serious water-hammer conditions may require additional plumbing measures.

Why a Traditional Pressure Tank Booster Still Makes Sense

The residential water pump market increasingly includes smart controllers, electronic sensors, permanent-magnet motors and variable-speed constant-pressure systems.

These technologies offer important advantages in the right applications.

However, traditional booster systems based on a pressure switch and pressure vessel remain widely used because the operating principle is straightforward and familiar to installers.

For many households, the key requirements are simply:

  • Better water pressure

  • Automatic start and stop

  • Stable everyday operation

  • Less unnecessary pump cycling

  • Simple system architecture

  • A practical installation cost

The PS130 is designed around these requirements.

Frequently Asked Questions About the Stream PS130

What is the Stream PS130?

The PS130 is an automatic household booster pump system combining a 370 W water pump, sealed pressure tank, pressure switch and protective plastic cover.

What is the maximum flow?

The PS130 provides maximum flow up to 36 L/min under the specified test conditions.

What is the maximum head?

Maximum head is 35 m.

Why does the PS130 have a pressure tank?

The pressure tank stores pressurized water and provides a hydraulic buffer between pump cycles. This can reduce unnecessary starting and stopping while helping smooth pressure changes.

Can the pressure tank reduce water hammer?

The tank's compressible air cushion can help absorb pressure fluctuations and reduce hydraulic pulsations. However, severe water hammer may require additional plumbing corrections or dedicated water-hammer control devices.

Why does the PS130 have a plastic cover?

The cover helps protect the pump from dust and sunlight and provides additional shielding for residential installations while giving the system a cleaner integrated appearance.

Is the PS130 fully waterproof?

The protective cover should not be interpreted as a specific waterproof or IP rating unless such a rating is stated for the complete installed system. Correct installation and electrical protection remain necessary.

Is the PS130 suitable for Malaysia?

The PS130 is particularly well suited to the type of residential booster applications commonly found in Malaysia, including homes requiring improved water pressure, automatic operation and a covered pump arrangement.

Can the PS130 be used with a water storage tank?

It can form part of a correctly designed domestic booster system supplied from a suitable water source. The installation should follow local plumbing requirements and the hydraulic requirements of the pump.

Is the PS130 suitable for an old house?

It may be suitable where an older home has insufficient usable water pressure, but the existing plumbing condition should be checked before pressure is increased. Ageing pipes, weak fittings and leaks should be addressed first.

Will the pump run every time I open a tap?

Not necessarily. The pressure tank stores a limited volume of pressurized water, so small demands may initially be supplied by the tank before system pressure falls to the pump's starting point.

What controls the PS130 automatically?

A pressure switch monitors system pressure and controls the automatic starting and stopping of the pump.

Does PS130 provide constant pressure?

The PS130 is a pressure-switch-controlled fixed-speed booster system. It improves and stabilizes usable household water pressure, but it should not be confused with an electronic variable-speed constant-pressure system that continuously adjusts motor speed.

Stream PS130: A Practical Booster Pump Designed Around Real Household Needs

The value of the Stream PS130 comes from the way several proven domestic water-supply components are integrated into one practical booster system.

A 370 W pump provides up to 36 L/min maximum flow and 35 m maximum head, while the pressure switch enables automatic operation and the sealed pressure tank provides hydraulic storage between pump cycles.

The pressure tank helps reduce frequent starts, smooth short-term pressure variations and provide useful hydraulic cushioning within the household water system.

At the same time, the PS130's distinctive protective plastic cover responds to another practical requirement found in many Southeast Asian residential installations: users want a pump that is not only functional, but also better protected from dust, sunlight and the surrounding outdoor environment.

For homes experiencing weak or inconsistent water pressure, especially where a simple pressure-switch-and-tank system is preferred over a more complex variable-speed booster, the Stream PS130 offers an economical, familiar and practical solution.

For Malaysia and similar tropical residential markets, that combination of automatic pressure boosting, pressure-tank operation and covered design makes the PS130 particularly relevant to everyday household water supply.

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