Square D by Schneider Electric FSG2J21CP 30-50 PSI Pumptrol Water Pressure Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>30-50 PSI Pumptrol(TM) Water Pressure Switch</li><li>Suitable for jet pumps， submersible pumps and reciprocating pumps</li><li>Standard-action contacts open on rising pressure</li><li>30 - 50 psi</li><li>1/4 in. pressure connection</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41CX09dKMDL.jpg" noproxy>