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(E.) POTTER VS R <br /> The Symbol of Protection Vane Type Waterflow Alarm Switch W/Retard <br /> Removal of Waterflow Switch <br /> • To prevent accidental water damage, all control valves should be shut tight and the system completely drained before waterflow detectors are <br /> removed or replaced. <br /> • Turn off electrical power to the detector,then disconnect wiring. <br /> • Loosen nuts and remove U-bolts. <br /> • Gently lift the saddle far enough to get your fingers under it. With your fingers,roll the vane so it will fit through the hole while continuing to lift <br /> the waterflow detector saddle. <br /> • Lift detector clear of pipe. <br /> 1 <br /> Flow switches have a normal service life of 10-157years.However,the service life may be significantly red <br /> environmental conditions. <br /> Ordering Information <br /> Model Nominal Pipe Size Part Number <br /> VSR-2 2" DN50 1144402 <br /> VSR-21/2 21/2" DN65 1144425 <br /> VSR-3 3" DN80 1144403 <br /> VSR-31/2 31/2" 1144435 <br /> VSR-4 4" DN100 1144404 <br /> VSR-5 5" 1144405 <br /> VSR-6 6" DN150 1144406 <br /> VSR-8 8" DN200 1144408 <br /> Optional: Cover Tamper Switch Kit,stock no.0090148 <br /> FSBS-FLOWSWITCH BYPASS SWITCH,stock no.3001006 <br /> Replaceable Components:Retard/Switch Assembly,stock no. 1029030 <br /> Potter Electric Signal Company, LLC St. Louis, MO Phone: 800-325-3936 www.pottersignal.com <br /> 5401146-REV N 10/21 PAGE 5 OF 5 <br />