How do you actually increase water pressure?
You’re back from a weekend away. The suitcase is still half unpacked, the washing pile is waiting, and you step into your own shower. Ah, yes. That familiar trickle.
After a few days of hotel showers that rinse the shampoo out without turning it into a small project, coming home can be a bit of a reality check. Suddenly, the shower you’d got used to feels rather underwhelming.
The good news? There may be a practical fix. The first step is finding out what is causing the weak flow. A blocked shower head, restricted pipe, leak or tank-fed supply can feel similar at the shower but need different solutions. A booster pump can help in the right setup; buying a bigger one before checking the system can leave the actual problem untouched.
Is it just the shower, or is the whole house joining in?
Before blaming the shower, try a couple of other taps. Is the kitchen fine? Does the cold water run well while the hot water struggles? Does everything slow down when someone puts the washing machine on? Those little details help narrow things down.
| Sound familiar? | What to check |
|---|---|
| Only one tap or shower is weak | The fitting, aerator, shower head, hose or local valve may be restricting flow. |
| Hot water struggles, but cold is fine | Check how the hot water is supplied, together with the heater, valves and connecting pipework. |
| Opening a second tap spoils the shower | Assess the available supply, pipework and demand when several outlets run together. |
| The whole home suddenly has weak flow | Look for a supply interruption, leak, closed valve or pump fault. |
| The pump keeps stopping or failing | Investigate the water reaching the pump, its controls and the installation before replacing it again. |
Bring these observations to your installer to help them investigate the cause.
Pressure and flow: the difference worth knowing
Most of us say “bad water pressure” when we mean “not enough water coming out”. Fair enough. For choosing a fix, though, there is a useful difference.
Pressure is the force available in the system, usually measured in bar. Flow is the amount of water delivered over time, usually in litres per minute. A restriction can limit flow even when a pressure reading looks acceptable with the taps closed.
Try timing how long the same container takes to fill at an accessible tap, first on its own and then while another outlet is running. This measures flow, not pressure. It gives your installer a useful comparison; they can take pressure readings under working conditions and check what your fittings need.
Got a roof tank? Height can make a difference
If your shower is gravity-fed from a roof tank, the height between the water level and the shower affects the pressure available. A shower close to tank level may have less gravity pressure than a tap further below it. The pipe routes, restrictions and shower fitting also play a part.
It is worth knowing where your water comes from before shopping for equipment: a storage tank, the incoming mains or an existing pumped system. Hot and cold water may even take different routes. The lovely shower at your hotel doesn’t tell us which pump would suit your home.
The right choice depends on that actual setup, including whether you want to improve one outlet or several, and whether hot water, cold water or both need attention.
A few useful checks before buying anything
You don’t need to become a plumber to put together a useful picture of the problem.
- Note which taps or showers are affected, and whether it happens with hot water, cold water or both.
- Notice when it happens: all day, at busy times, or when several fittings run together.
- Check an accessible tap aerator or shower head for visible scale or debris, following its care instructions.
- Take a photo of your existing pump label, accessible pipework and any displayed fault code.
- Mention leaks, recent plumbing changes, supply interruptions and any history of pumps failing.
Leave pump controls, heater settings and electrical connections to the appropriate professional. If the problem has suddenly affected the surrounding area too, raise it with the Water Services Corporation.
When can a booster pump make a difference?
A suitable booster can help when the source and pipework can supply enough water, but the available pressure is too low for the way you want to use it. Choosing one means looking at the inlet supply, several outlets running together, hot-water equipment and the limits of your fittings.
Sometimes, a restriction or leak needs sorting first. A pump cannot make up for an inadequate supply of water. Confirm the proposed connection arrangement, any supplier requirements and the manufacturer’s instructions before installation.
There is no one pump size or pressure setting that suits every home. The aim is a system that works properly for yours.
Already replaced the pump? Ask why it keeps happening
If you’ve been through more than one pump, another replacement may feel like the obvious next step. It is also a good moment to investigate the whole system.
Depending on the equipment, too little inlet water, dry running, frequent starting and stopping, leaks or unsuitable controls can affect operation. Swapping the unit alone may leave that underlying issue in place.
Keep the model details, fault codes and a note of when things go wrong. Our plumbing and water-system team can assess the work required. If electrical work is part of the solution, it can be coordinated with the electrical installation team too.
A few questions you’re probably asking
Could a new shower head solve it?
Possibly, if the existing head is blocked or unsuitable for the available supply. It won’t fix every restriction or supply problem further back in the system.
Can I just turn up the pump?
Have the installer check why performance is poor and what the system can support before changing settings. More pressure is not automatically the right answer.
What should I send WS?
The property location, which outlets are struggling, whether it affects hot or cold water, and a few accessible photographs are a useful start. Add the pump model and fault history if you have them. You don’t need to arrive with the problem already diagnosed.
Further reading
These manufacturer resources explain the general principles. They do not establish which equipment or connection is suitable for a particular property in Malta.
Discuss your project with WS.
Send the location, current stage, drawings or photographs and the work you need. We will review the information and confirm the next step.
Request a quotation