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If you face low water pressure problems, don’t worry- you are not the only one.

We understand that it becomes very frustrating to deal with this issue. Imagine going to shower and spending an hour in the bathroom because of the reduced water flow! Although the problem can easily annoy you, there are plenty of ways to fix it.

The first thing to do is identify the cause behind the problem and then implement the correct method(s) to fix it. And today, in this guide, we will talk about the most common causes of low water pressure. So, without further delay, let’s check them out.

7 Common Causes Of Low Water Pressure

Person Tap Water

1. Unwanted Build-up In Pipes

When minerals and debris build up in your pipes, it can slowly lead to the water pressure deteriorating over time. Many elements like dirt, sand and other forms of pollutants can get deposited in the interiors of the pipes.

And if not fixed in time, such accumulations will slowly start entering the sink through the tiny cracks in the pipes. Even the minerals present in water can decrease the pipe diameter, adversely affecting the water pressure.

You can try DIY remedies like cleaning the pipes with baking soda and hot water or removing the pipes for thorough washing. But if the problem persists, get your plumber to deal with it more effectively.

2. Corrosion

As pipes get old, the iron or other mineral content in the water can cause them to corrode. And this can be the case for even those pipes that should last for at least 20 years.

You are most likely to notice a reduction in water pressure sooner or later because of corroded pipes, which would ultimately require replacements. And that’s a job best left to professionals.

Corroded Plumbing Pipe

3. Supply Malfunction

Sometimes, it is not the pipes but the supply that malfunctions. The council’s water supply might face some problems because there might be some disturbance in the water pressure. Even those pipes are prone to confronting dirt, debris, mineral build-ups, and corrosion issues.

If the pipes in your house are alright and you are still facing a low water pressure situation, it is best to contact the local water supplier.

4. Malfunctioning Shut Off Valve

A malfunctioning valve can reduce the water pressure in multiple pipes or faucets. And to get that fixed, you must know how to check whether your shutoff valve is performing correctly.

But if you haven’t faced a leakage problem before, the chances are that you have not handled this valve. It can be located outside your house, but don’t forget to check inside.

Once you locate it, check the handles to see if the valve is open. The best thing to do is to turn them counterclockwise as far as possible to ensure that the valve is available. If it is turning, it isn’t completely open, which causes the water pressure to fall.

5. Old Pipes

If you have recently moved into a new house, the chances are that you will face a low water pressure situation because of the old and rusting pipes.

For example, if the existing pipes are galvanized, they will be corroded and have years of mineral build-up. Of course, this does not happen in a day but gets built up over decades and reduces water flow.

You will probably notice the problem as soon as you move in, so we’d recommend getting them replaced immediately. And when it comes to installing new pipes, we would always suggest using PEX tubing instead of the traditional copper pipes.

6. Problem With The Pressure Regulator

Not all plumbing systems indeed come with a pressure regulator. So, feel free to skip this point if you don’t have one.

However, if you have it and are reeling under continued low water pressure, check the regulator to see if you are getting a correct reading.

If the reading is incorrect, attach a pressure gauge to the hose spigot that is in the closest proximity to the regulator. Once installed, it will give you a correct reading of the water pressure when you turn the tap on.

If you witness a discrepancy in the readings displayed in the pressure regulator and the gauge, it can be just the regulator malfunctioning. And if you are not getting a reading, you know it needs to be replaced. For this purpose, we would suggest that you get a trained plumber who can help with the job instead of trying to do it all by yourself.

Pressure Regulator

7. Shared Pipelines

Sometimes, the pipelines that deliver water are shared between houses and not just kept for personal use—wondering what this means? Let us break it down for you.

If you share a pipeline with your neighbour, the water pressure will go down every time they shower or wash their car.

However, this doesn’t mean paying for their water consumption. But the pressure gets affected adversely because the water supply is divided. It is more like when you are taking a shower, someone in the house runs the dishwasher. Only this time, you cannot scold them for doing it while taking a bath!

One way around this is to change your timings and water consumption routines. These might seem like quite a task, but honestly, they might be very effective. As long as you can understand when your neighbour is not indulging in heavy water usage, there will be no problem.

However, if the water pressure still does not improve, it is best to replace the pipes. For this, contact a trusted plumbing service to get the work done efficiently with no hidden charges. If they are not transparent with their prices, your bill will generally turn up much higher than expected.

Fixing Your Low Water Pressure

While you practically cannot solve a problem with the municipality’s water supply, you can always try out the other solutions. Start with a preliminary check and try out DIY techniques to see if you can get the water pressure to rise.

If you still cannot solve it, the next thing to do is call a trusted plumbing service provider to check your pipes’ existing condition. Nowadays, technology has improved quite a lot, and they can just put a CCTV camera to locate the blockage effectively before improving the water pressure.

The key here is to stay cautious and take a step when you see that the water pressure in your home has decreased. If you leave it unattended for long, the condition will only deteriorate faster, resulting in repairs or replacements worth thousands of dollars. So, keep an eye on the faucets.

If you are experiencing low water pressure in Perth, speak to our professionals at Woolf Plumbing & Gas.

And until next time!


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Ashley Woolf

Find them on their website: Woolf Plumbing & Gas, Facebook and LinkedIn.

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