{"product_id":"system-sensor-wfd40-water-flow-switch-detector","title":"System Sensor WFD40 Water Flow Switch Detector","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe System Sensor WFD40 water flow switch detector is used in \u003ca href=\"https:\/\/plgautomation.com\/collections\/safety-components\"\u003efire sprinkler monitoring\u003c\/a\u003e and life safety systems. Commonly installed in wet-pipe sprinkler networks, commercial buildings, industrial facilities, and fire protection systems. Maintenance teams and system integrators use this part for repair, retrofit, expansion, and replacement.\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe System Sensor WFD40 water flow switch detector is designed to detect water movement in sprinkler piping and transmit alarm signals to fire alarm control panels. It is commonly used in fire suppression systems, warehouse facilities, commercial buildings, and industrial plants where reliable water flow monitoring and alarm activation are required.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Brand: System Sensor\u003cbr\u003e• Part number: WFD40\u003cbr\u003e• Product type: Water flow switch detector\u003cbr\u003e• Detection method: Vane-type water flow sensing\u003cbr\u003e• Pipe compatibility: 4-inch steel pipe\u003cbr\u003e• Flow sensitivity: 4 to 10 GPM activation range\u003cbr\u003e• Static pressure rating: 450 PSI\u003cbr\u003e• Contact configuration: Dual SPDT switches\u003cbr\u003e• Electrical rating: 10 A, 1\/2 HP at 125\/250 VAC\u003cbr\u003e• Mounting type: Pipe-mounted installation\u003cbr\u003e• Enclosure rating: NEMA 4\u003cbr\u003e• Installation orientation: Horizontal or vertical mounting\u003cbr\u003e• Application: Wet-pipe fire sprinkler systems \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• System Sensor WFD40A\u003cbr\u003e• Potter VSR-F\u003cbr\u003e• Reliable VSR-4\u003c\/p\u003e","brand":"System","offers":[{"title":"New","offer_id":51713737982254,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_7b3f2a5c-ce09-4eed-9a02-43837691d0f1.jpg?v=1770406610","url":"https:\/\/plgautomation.com\/products\/system-sensor-wfd40-water-flow-switch-detector","provider":"PLG Automation ","version":"1.0","type":"link"}