{"product_id":"system-sensor-d4120w-innovairflex-nema-4-watertight-4-wire-photoelectric-duct-smoke-detector-24-vac-dc-or-120-vac","title":"System Sensor D4120W InnovairFlex NEMA 4 Watertight 4-Wire Photoelectric Duct Smoke Detector, 24 VAC\/DC or 120 VAC","description":"The D4120W watertight 4-wire photoelectric duct smoke detector is designed for indoor and outdoor applications where environmental protection is essential. Its UL-listed NEMA Type 4 enclosure helps protect against falling dirt, rain, windblown dust, splashing, and hose-directed water.\u003cbr\u003e\u003cbr\u003eA pivoting housing supports square or rectangular mounting on round or rectangular ductwork. The detector operates in airflow speeds from 100 to 4,000 ft\/min, temperatures from –4°F to 158°F, and humidity from 0% to 95% non-condensing. A plug-in sensor and integrated low-flow technology support reliable smoke detection, while the patented sampling tube installs from the front or back without tools.\u003cbr\u003e\u003cbr\u003eFeatures include a ¾-inch conduit knockout, an easy-access Test\/Reset button, and LED status indication. The unit is rated for 24 VAC\/DC or 120 VAC.","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":68549893259485,"sku":"Kaybee-D4120W","price":528.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/D4120W-1.jpg?v=1794637078","url":"https:\/\/kaybeesecurity.com\/products\/system-sensor-d4120w-innovairflex-nema-4-watertight-4-wire-photoelectric-duct-smoke-detector-24-vac-dc-or-120-vac","provider":"Kaybee Security","version":"1.0","type":"link"}