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Low water pressure can be frustrating. Whether you're trying to take a relaxing shower, do the dishes, or water your lawn, weak water flow can turn simple tasks into annoying chores. If you've noticed a change in your home's water pressure, there could be several reasons behind it. Understanding the cause can help you find the right solution, whether that means a simple fix or calling a plumber like Service Hero for professional help.

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Bobby Hett

We had a main line drain clog under the house. Russell was our technician and approached the problem from outside the house, working retrograde from a trap in the front yard. I was skeptical but it worked when my efforts with a cable inside the house had failed. He was very professional and pleasant to deal with.  We asked him to install a cleanout closer to the house for future use and we were very satisfied with the work.

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Lori Mand

Tyler is the best! He came to our parent's house, knew exactly what the problem was, and explained it to us without the typical guesswork. I'd recommend him any time you need a good plumber.

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Narendran Dhanaram

Overall, It was a very good experience with the Service Hero team. I was able to schedule an appointment late in the night. They are truly 24x7. The help desk team was very professional, courteous, and friendly. All responses were timely. The field technician showed up on time and diagnosed the issue accurately. Kudos to the Service Hero team!

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Common Causes of Low Water Pressure

Clogged Pipes or Fixtures

Over time, minerals, dirt, and debris can build up inside your pipes and faucets. If only one sink or showerhead has low pressure, it might need a good cleaning. A clogged aerator or showerhead can restrict water flow, making it seem like a bigger plumbing issue than it is. Try unscrewing the faucet aerator or showerhead and soaking it in vinegar to dissolve any buildup.

Problems With Your Main Shut-Off Valve

Your home has a main shut-off valve that controls the water supply. If this valve isn’t fully open, it can reduce water pressure throughout your home. Sometimes, homeowners accidentally turn it slightly during repairs or leave it partially closed after a plumbing service. Checking and fully opening the valve may instantly fix your water pressure problem.

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Issues With the Water Supplier

Sometimes, low water pressure isn’t caused by anything in your home. If your neighbors are also experiencing weak water flow, the issue may be with the local water supply. Construction work, water main breaks, or maintenance by the city could temporarily affect pressure. You can check with your water company to see if they work in your area.

Corroded or Aging Pipes

If you live in an older home, your pipes may be made of materials that corrode over time. As pipes rust and break down, they narrow, restricting water flow. If this is the case, replacing your pipes may be necessary. A professional plumber in San Diego, CA can inspect your plumbing system and determine if old pipes are the root of your water pressure problem.

Pressure Regulator Malfunction

Many homes have a pressure regulator that controls water pressure. If this device fails, it may cause your blood pressure to be too high or too low. A simple test with a pressure gauge can help determine if the regulator is the issue. If it’s faulty, replacing it can restore proper water flow.

Hidden Leaks

Leaks in your plumbing system can significantly reduce water pressure. If water escapes before it reaches your fixtures, you may notice damp spots on walls, ceilings, or floors. A sudden spike in your water bill is another sign that you may be leaking. If you suspect a hidden leak, it’s best to contact a plumbing service like Service Hero to locate and fix the problem before it worsens.

How to Fix Low Water Pressure

If you’re experiencing low water pressure, here are some steps you can take:

  • Check all faucets and fixtures. If only one is affected, the problem is likely a clog that can be cleaned.
  • Inspect the main shut-off valve. Make sure it is fully open.
  • Test the pressure regulator. Use a water pressure gauge to see if it's functioning properly.
  • Look for signs of leaks. Water stains, mold, or increased water bills could point to a leak.
  • Ask your neighbors. If they have the same issue, the water supplier may be working on the system.
  • Call a professional. If you can’t find the cause, a trained plumber can inspect your system and provide solutions.

When to Call a Professional

Some low water pressure problems are easy to fix, but others require the expertise of a professional. If you’ve tried basic troubleshooting and still have weak water flow, calling a plumbing service like Service Hero can save you time and frustration. An expert can diagnose and repair the issue quickly, whether it’s a leak, corroded pipes, or a malfunctioning regulator.

Get Your Water Pressure Back to Normal Today!

Dealing with low water pressure doesn’t have to be a long-term struggle. Whether the problem is simple or complex, the right solution is within reach. If unsure what’s causing the issue, don’t hesitate to contact Service Hero. Their experienced team can assess your plumbing service needs and restore your home's strong, steady water flow. Don’t let low water pressure disrupt your daily routine—get help today!

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