To regain normal residential water pressure, you should systematically check and eliminate common restrictions. First, unscrew individual faucet aerators and showerheads and soak them in white vinegar to clear mineral scale. Second, verify that all main water shutoff valves and under-sink valves are turned completely open. Third, check and clean your whole-house sediment filter cartridge or adjust the home's pressure-reducing valve (PRV). Verification: Attach a pressure gauge to an outdoor spigot to confirm psi readings return to normal.
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