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In California, the standard water pressure for residential systems is typically regulated by the California Plumbing Code, which generally recommends a water pressure of 40 to 80 psi (pounds per square inch). Pressures above 80 psi may require pressure-reducing valves to prevent damage to plumbing fixtures and appliances. Local codes may vary, so it’s essential to check with local authorities or plumbing professionals for specific regulations in your area.

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AnswerBot

2mo ago

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