How do you adjust a home water pressure regulator?

Find the bell-shaped valve near your water meter. Loosen the lock nut on top and turn the bolt clockwise to increase the pressure.

Can increasing water pressure damage old pipes?

Yes, older pipes cannot handle excessive pressure and may develop pinhole leaks or burst. Adjust pressure carefully.

Why is my showerhead water pressure so low?

The fixture likely has sediment or calcium buildup. You can unscrew it and clean it out, or remove the internal flow restrictor disk.

When should I consider installing a booster pump?

A booster pump is helpful when your main water supply, whether city or well, provides consistently low pressure throughout the house.

Ways to Fix Low Water Pressure at Home

You can often fix low water pressure by adjusting or replacing your pressure regulator, clearing buildup from fixtures, or installing a booster pump.

Start by locating the bell-shaped pressure regulator valve near your water meter. Loosen the lock nut and turn the bolt clockwise to increase pressure, but be careful with older pipes, as too much pressure can cause leaks or bursts.

If the regulator does not help, check for sediment or calcium buildup in your showerheads and faucet aerators. You can also remove the flow restrictors found in modern showerheads, or simply buy a new showerhead designed to simulate higher pressure. For consistently low incoming supply pressure, a booster pump might be necessary, though it can be noisy and may require a dedicated power line.

Ways to Fix Low Water Pressure at Home — infographic

To improve water pressure, Users suggest adjusting or replacing the pressure regulator, cleaning or replacing showerheads, or installing a booster pump.

Check and Adjust Pressure Regulator

Locate and adjust your pressure regulator valve (PRV). This bell-shaped device, typically found near the water meter, can be adjusted by loosening a lock nut and turning a bolt clockwise to increase pressure. "You should have a pressure regulator near the meter. Looks like a bell with a bolt on top. Loosen the lock nut and turn bolt clockwise to increase pressure."

Replace a faulty pressure regulator. PRVs can go bad over time and may need to be replaced if adjusting doesn't resolve the issue. "They do go bad and need replacement sometimes."

Exercise caution when adjusting older pipes. Increasing pressure too much can cause leaks or bursts in older plumbing systems. "Be VERY careful if/when you loosen the bolt that monitors the pressure. Your pipes, if old, aren't able to handle too much pressure and can burst or leak from pinholes."

Address Fixture-Specific Issues

Clean or replace showerheads and faucet aerators. Sediment and calcium buildup in fixtures are common causes of low water pressure. "I had calcium build up in the shower head, you can unscrew it and try to clean it out."

Remove flow restrictors in showerheads. Many modern showerheads have removable flow restrictors that can significantly improve water flow. "Unscrew the grey water line from the shower sprayer. Look inside the sprayer for a white disk that has a rubber ring. Use tweezers or a toothpick to remove the rubber ring."

Consider a new showerhead designed for higher pressure. If cleaning isn't enough, a new showerhead can provide a better experience. "Thanks all for your suggestions- I’m gonna go ahead and put on a new shower head that’s supposed to simulate higher pressure and see how that works"

Install a Booster Pump

Use a booster pump for consistently low incoming pressure. If your main water supply (city or well) has low pressure, a booster pump can significantly increase it throughout your home. "Yes it will help. I have one similar, technically a shallow well pump with a 35 gallon pressure tank."

Ensure proper pipe sizing with a booster pump. While a booster pump helps, optimal pipe diameter is also crucial for good water volume. "The water flow in a 1 inch can handle more volume then 1/2 inch."

Be aware of booster pump noise and power requirements. Some booster pumps can be noisy, and they may require a dedicated 240-volt line. "The pump does make some noise."

Is your low water pressure a recent development or a long-standing issue?

Best for: Homeowners dealing with low water flow who want to investigate and fix the issue themselves.