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STINGL SVRS SYSTEM — Patented "Safety Vacuum Release System" (SVRS), by Stingl. Certified and fully compliant with the VGB Pool and Spa Safety Act. Automatically shuts down the circulation pump and activates an audible alarm when a sudden change in vacuum is detected. Vacuum is monitored 128 times per second. Pump remains off until manually reset. Units include: NEMA 3R enclosure with back-lit LCD display, low vacuum sensor, fireman's switch output, auxiliary pump control, programmable filter cycle, display error readout, and power back-up, in case of power failure. Remote visual/audible alarm for poolside safety ordered separately. Directly operates pumps to 3 HP/20 amps. Larger horsepower, or 3 phase pumps, require purchase of external pump contactor. Specify 120 VAC or 240 VAC. Complies with ASME/ ANSI 112.19.17.
