{"product_id":"system-sensor-wfd30-2-water-flow-detector","title":"System Sensor WFD30-2 Water Flow Detector","description":"\u003cdiv\u003e\u003cp\u003eThe System Sensor WFD30-2 Water Flow Detector delivers reliable vane-type water flow sensing for fire sprinkler monitoring in wet-pipe systems. Designed for 3-inch Schedule 10 through 40 steel piping, it activates at 4–10 GPM and transmits alarm signals to fire alarm control panels, with a 450 PSI static pressure rating and a 18 FPS maximum surge. The unit uses dual SPDT contacts and is rated for 10 A at 125\/250 VAC or 2.5 A at 24 VDC, and it mounts as a pipe-mounted installation in horizontal or vertical orientation within a NEMA 4 enclosure. Common replacements include System Sensor WFD30, Potter VSR-3, and Reliable VSR-3, and it is typically applied in commercial buildings and industrial facilities for repair, retrofit, expansion, or replacement in wet-pipe fire protection systems.\u003c\/p\u003e\u003c\/div\u003e","brand":"SYSTEM","offers":[{"title":"New","offer_id":46253335150826,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-010.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/system-sensor-wfd30-2-water-flow-detector","provider":"GTG Hardware","version":"1.0","type":"link"}