Inquiry (采购产品): Flow sensors needed flow sensor with 12vDC contacts to trigger solenoid switch to power water chiller Purpose: to detect water folow thru cooling unit. If Pump fails to move water thru chiller the chiller would be shut down (via connected solenoid). Flow thru chiller is 13 to 25 GPM. **** Hidden Message ***** Earl W. Brashear 44118 Company: Bill's Winery E-mail: vintner@mindspring.com **** Hidden Message ***** vintner@mindspring.com