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What Causes Low Water Pressure in My Home and How Can I Fix It?

3 mins | Blog | Feb 1, 2024

Are you experiencing frustratingly low water pressure in your home? Nothing can disrupt your daily routine quite like weak water flow. Fortunately, there are several common causes for low water pressure, and many of them have simple solutions. Let’s delve into the reasons behind this issue and explore how you can fix it.

Causes of Low Water Pressure:

  1. Plumbing Leaks: Leaks in your plumbing system can significantly reduce water pressure. Check for any visible leaks under sinks, around toilets, and in the basement. Leaks can also occur within walls or underground, which might require professional assistance to detect.
  2. Corroded Pipes: Over time, pipes can corrode, leading to a buildup of mineral deposits that restrict water flow. This is especially common in older homes with galvanised steel pipes. Replacing corroded pipes or installing water softening systems can help alleviate this issue.
  3. Clogged Pipes: Similar to corrosion, pipes can become clogged with mineral deposits, sediment, or debris. This is particularly prevalent in areas with hard water. Flushing out the pipes or using chemical cleaners can often clear the blockages and restore water pressure.
  4. Water Pressure Regulator Issues: A faulty water pressure regulator can result in either excessively high or low water pressure. If your regulator is malfunctioning, it may need to be adjusted or replaced by a professional plumber.
  5. Municipal Water Supply Problems: Sometimes, the issue lies with the municipal water supply rather than your home’s plumbing. Check with your neighbours to see if they’re experiencing similar problems. If so, contact your water provider to report the issue.
  6. Partially Closed Valves: Ensure that all shut-off valves leading to faucets, showers, and appliances are fully open. Sometimes, valves can accidentally get partially closed, restricting water flow.

How to Fix Low Water Pressure:

  1. Inspect for Leaks: Thoroughly examine your plumbing system for any leaks. Repairing leaks can often restore water pressure to normal levels.
  2. Clean Aerators and Showerheads: Mineral deposits can accumulate in aerators and showerheads, causing them to become clogged. Remove and clean these fixtures regularly to improve water flow.
  3. Flush Pipes: Turn off the main water supply, then open all faucets and flush toilets to flush out any accumulated sediment or debris from the pipes.
  4. Check Pressure Regulator: If you suspect a problem with the pressure regulator, consult a professional plumber to inspect and, if necessary, adjust or replace it.
  5. Upgrade Pipes: Consider upgrading your plumbing system to newer, more efficient materials such as copper or PVC pipes, especially if you have older galvanised steel pipes that are prone to corrosion.
  6. Install a Water Softener: If hard water is causing mineral buildup in your pipes, installing a water softener can help prevent future blockages and improve water pressure.

By identifying the underlying cause of low water pressure in your home and taking appropriate action, you can enjoy consistently strong water flow throughout your property. If you encounter persistent issues or are unsure how to proceed, don’t hesitate to seek assistance from a qualified plumber.

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