Inquiry (采购产品): liquid level switch I need a normal open / closed pressure switch contact. This attaches to a clear tube that extends into casing to determine if pond low for sprinkler system to pull water from. This pressure swith is controlling dry contacts. **** Hidden Message ***** John Peters 695 schneider dr South Elgin, IL 60177 USA Company: Ron Jones Electric Phone: 847-695-7500 E-mail: jpeters@rjeil.com **** Hidden Message ***** jpeters@rjeil.com