Home / Fire Sprinkler Systems / Flow Switches / Potter VSR-S Potter VSR-S $170.07 Waterflow Alarm Switch for Small Pipe Availability: Please Call for Lead Time Potter VSR-S quantity Add to cart Factory NewBrand: Potter FireAlarm.com Part #: 80965 Category: Flow Switches Manufacturer Part #: VSR-S Tags: LA, NX, VK Description Specifications Features Resources Reviews (0) Description The Model VSR-S is a vane type waterflow switch for use on wet sprinkler systems that use 1″ (25mm), 1¼” (32mm), 1½” (38mm) or 2″ (50mm) pipe size. The unit may also be used as a sectional waterflow detector on large systems. The unit contains two single pole double throw snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a fl ow of 10 gallons per minute (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period. Information Weight 1.00 lbs Dimensions 5.56 × 3.50 × 4.89 in Brand Potter Condition New Features Assembled in USA 0-90 second field replaceable time delay retard Easy to read retard time delay adjustment knob Fits 1” to 2” CPVC, copper, brass, or iron pipe Comes with all necessary paddles Two SPDT (form C) contacts Weatherproof Easy to read wire terminal designations 5 year warranty ResourcesVSR-S; Vane Type Waterflow Alarm Switch With Retard Potter – Data Sheet Reviews There are no reviews yet. Be the first to review “Potter VSR-S” Cancel replyYou must be logged in to post a review.