What is the first step in troubleshooting low water pressure?

The first step in troubleshooting low water pressure is to check for leaks in the system. This is a critical step because leaks can significantly reduce the pressure experienced at fixtures. When there is a leak, water escapes the piping system, leading to reduced flow and diminished pressure at the points of use. Identifying and addressing leaks allows for a better assessment of the overall plumbing system's integrity and performance.

Once leaks are ruled out or repaired, further troubleshooting steps can be taken, such as inspecting the pressure regulator, examining the water source, or cleaning or replacing fixtures. Each of these actions may also help in resolving low water pressure, but detecting leaks is foundational since they can be a quick and common cause of pressure loss.