What does "psi" mean in the context of this pressure switch? Delta .5 PSI UV Pressure Switch, 1000-2561

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What does "psi" mean in the context of this pressure switch? Delta .5 PSI UV Pressure Switch, 1000-2561

Status: Open Mar 06, 2026 - 11:21 AM

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Mar 06, 2026 - 11:21 AM

Psi" stands for pounds per square inch, a unit of pressure measurement. Understanding psi is important because it tells you the sensitivity of the delta pressure switch; a lower psi setting means the switch activates with minimal pressure, which is valuable for delicate or precise water systems.

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