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Nothing can be more satisfying than a soothing hot shower after a long day. But what if your shower head doesn’t have enough hot water?

Low hot water pressure can indicate major issues with your residential plumbing system that might require immediate attention. If your shower head isn’t producing sufficient hot water, no matter how much you turn the knob, it’s time to check the water pipes and heater system.

If the hot and cold water lines are working fine, but the water flow has suddenly decreased, it can be due to an issue with the main water system. In today’s article, we’ll discuss some of these reasons to help you identify what’s wrong.

Causes For Low Water Pressure In Shower

Testing Water Tempreture Shower

1. Build-up Of Debris, Mineral Deposits And Sediments

Mineral deposits can commonly cause low water flow in your shower heads, faucets, and kitchen sinks. It’s best to check your house’s hot water pipes and cold water taps when experiencing low water pressure.

The build-up of these mineral deposits and sediments usually takes a long time but can clog the aerators of your hot water fixtures. These clogged aerators disrupt the water flow, resulting in low water pressure in your shower heads and faucets.

Under such circumstances, it’s best to hire a professional plumber who can take a look and remove the clog to increase the water pressure in the shower head. You can also try applying DIY techniques, such as treating the shower head with vinegar overnight to remove the sediment build-up and clean the aerator.

2. Leaky Shower Heads

Low pressure of hot water systems can also be due to leaky fixtures, which can compromise the normal water flow. It’s easy to overlook dripping or leaky water fixtures if they trickle water slowly. But this constant water trickling can lead to low water pressure, and you might have to take a cold shower after a long day.

You need to be careful while closing the taps and make sure they are not trickling any water. However, if your shower head or sink faucet still leaks after turning off the knob tightly, you need to hire an experienced plumber to fix them.

Cleaning Shower Head Yellow Cloth

3. Burst, Clogged & Leaking Pipes

Burst or leaking pipes can result in low water pressure in the shower. Corroded metal plumbing pipes can cause frequent water leaks that reduce hot water pressure in your shower. As a result, poor maintenance of the metal pipes is one of the common causes of low shower pressure.

If your water pipes are clogged, it can disrupt the normal water supply to your bathroom or kitchen fixtures. Under these circumstances, call a qualified plumber who can examine your water supply line and repair the pipes to maintain good hot water pressure.

4. Faulty Water Pressure Regulator

A water pressure regulator’s job is to act as a flow restrictor to adjust the water pressure and flow from the town’s main water supply to your residential plumbing system. That way, it can prevent plumbing damage to your home’s water pipes if the pressure of the town’s main water supply line is too high.

However, if the pressure regulator starts to malfunction, it’ll automatically affect the shower water pressure, and you can’t enjoy a long hot shower. You can check the water pressure of the regulator by installing a pressure gauge and contact an experienced plumber if the regulator is broken.

5. Partially Closed Water Main

If you’re experiencing a reduced flow of water in your whole house, it’s time to check the main water meter valve. The main water valve is typically located inside your house near the water heater or the garage, and it can either be a wheel or a ball valve.

But the primary shut-off valve can even be located outside your house inside an underground cement box labelled as a “water meter.” If you have a wheel water meter valve, rotate it counterclockwise to check whether it’s entirely open to restore shower pressure.

In contrast, turn the handle to stay parallel to your home’s main water line if you have a ball valve.

Trickling Water Coming Shower Head

6. Old Hot Water System Tank

You might experience low water pressure while taking a hot shower because of the worn-out mixing valve of your old hot water system. The mixing valve is responsible for blending hot and cold water to maintain a safe water pressure range during a hot shower.

But once the water filtration system inside the water heater starts to deteriorate, it affects the efficiency of the mixing valve, causing low pressure in the shower.

Bring Back Warm Showers!

Low shower water pressure is something no one wants to deal with. However, with these tips, you can hopefully avoid cold showers. Low-flow showerheads can make the whole experience of taking hot showers quite tedious because you might have to wait hours to get enough hot water.

It’s always best to hire a professional immediately who can apply their advanced plumbing techniques and knowledge to solve all your plumbing woes. A licensed plumber checks your entire water line to locate the problem and prevent further issues without much hassle, whether it’s a leaking pipe or worn-out inline valves. For any problems with clogged pipes or shower water pressure, or hot water system problems in Perth, make sure you speak to our expert plumbers at Woolf Plumbing & Gas.

So, enjoy a relaxing, hot shower, and if you face any issues with your plumbing system or low pressure, you know what to do!


Ashley Woolf

Ashley Woolf

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

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