7 Things That Could Be Reducing Your Water Pressure

Tap closeup with dripping water-drop. Water leaking, saving concept.

Low water pressure can be an annoying problem to deal with as a homeowner, but it can also indicate more serious underlying issues. If your water pressure is decreasing or unexpectedly low, it’s important to look at some of the leading causes of low water pressure to troubleshoot.

1.Clogged Faucet or Aerator

If the water pressure is low in just one outlet, the good news is the problem is only local. Clogged faucets, aerators or other outlets like shower heads will produce low water pressure, but you may find the outlets in the rest of your house remain normal. You can check your faucets, aerators, and outlets for clogs and replace as necessary to restore pressure.

2.Water Heater Issues

If your water pressure issues are only with your hot water, it’s likely the water heater is the source of the problem. Water heater leaks and partial closure of the water heater shut off valve can cause lower pressure from the hot water outlets.

3. Running or Leaking Toilet

Running or leaking toilets are a significant source of low water pressure. While the sound of a running toilet can be irritating, you may not realize how it’s also putting a drain on your water pressure. You may know your toilet is leaking from the sound or movement of water in the bowl. You can also check for leaks by adding a few drops of food coloring to the tank and checking the bowl without flushing in an hour’s time.

4. Pressure Regulating Valve

Pressure regulating valves can be used to reduce overly high mains pressure, and to keep the water pressure stable. Tightening the adjusting screw will increase the water pressure. In other cases, if the pressure reducing valve is faulty or has failed, it may need replacement.

valve shut off for water

5. Shut Off Valve

The mains shut off valve controls the overall flow of water into your home. However, if the shut-off valve is even partially closed, it can cause a reduction in the mains water pressure to your home. Simply inspecting the mains shut off valve, and ensuring it is fully open can help to restore normal water pressure.



6. Mineral Build Up

If your entire plumbing system is old and in need of replacement, low water pressure may be due to a reduced flow rate of water through the pipes. As pipes are used over the years, debris, sediment, and calcification can build up and narrow the diameter of the pipes. This reduces the flow rate, and therefore the pressure of the water. In this case, it may be time for pipe replacement and a total plumbing system overhaul.

7. Leaks

Another potential issue with an old and worn plumbing system is leaking. Even a slight but persistent leakage from pipes or appliances can waste thousands of gallons of water each year, and reduce water pressure locally or throughout your system. If you suspect leaks may be the cause of your low water pressure, it’s important to call your local plumber as soon as possible, for an extensive and thorough inspection to find all the sources and correct them.

Low water pressure can sometimes be easily corrected, or it may be the sign of something more serious, require plumbing renewal and pipe replacement. To find and correct the cause of low water pressure in your home, call your local plumber, Magnificent Plumbing for expert advice.

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