Fixing low water pressure throughout your entire house requires a systematic diagnostic approach. Step 1: Check that your main water shut-off valve is opened completely. Step 2: Inspect and adjust or replace a faulty pressure reducing valve (PRV) located near your main water entry point. Step 3: Replace clogged whole-house water filter cartridges. Step 4: If municipal supply pressure is naturally low, have a professional plumber install a motorized whole-house water pressure booster pump. Verification: Screw a pressure gauge onto an outdoor spigot to confirm your PSI reaches the target 50 to 60 range.
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