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The Senasys PATTNP411R18PF is a falling-pressure switch set to actuate at 1.8 psi for detection and control in air-activated systems such as pool and spa equipment. It is a panel-mount, automatic pressure switch with a normally open contact and a 2-pin connector with screw terminals. The unit has a metal housing with copper and brass contacts, a push-button actuator, and compact dimensions of approximately 1 x 1 x 1 inches.
Falling-pressure switch (1.8 psi) for pool and spa pressure control; panel-mount, normally open contact; metal construction with copper and brass contacts.
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