What Can Cause Water Pressure Problems?


Quick Answer

Some of the possible causes for low water pressure include running multiple high-output fixtures at once, faulty pressure regulators and partially closed water valves. With the exception of pressure regulator issues, these are problems that a homeowner can troubleshoot without professional assistance.

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Full Answer

Pressure regulators are typically installed below the front hose connection of a house. Their purpose is to reduce the pressure of municipal water before it enters the home’s plumbing system. This protects home plumbing systems against unnecessary wear and damage. A faulty regulator may be reducing the pressure of incoming water excessively, leading to low pressure inside the home. Hiring a plumbing professional may be necessary to troubleshoot and fix this issue.

Additionally, the low pressure could be due to using multiple fixtures at once, especially during peak usage hours. This is a common issue when multiple high-output sources, such as pools, large sprinkler systems and boiler systems, operate simultaneously.

There are also water valves installed throughout home plumbing systems that cut off the water supply to specific areas when needed, such as while making repairs. Low water pressure may be caused by a partially-closed valve, which may be restricting the flow of water through that part of the plumbing system.

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