{"product_id":"silent-knight-ductcov-same-day-shipping-sealed","title":"Fire-Lite DUCTCOV Replacement Duct Detector Cover","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThe DNRW duct smoke detector, with its NEMA-4 rating, listed as watertight. UV-resistant enclosure protecting against falling dirt, rain, windblown dust, splashing, and hose-directed\u003cbr\u003ewater, allowing operators to use the detector in the most extreme environments.\u003cbr\u003eThese units sense smoke operating at airflow speeds of 100 to 4,000 feet per minute (0.5 – 20.32 m\/s). Temperatures of -4°F – 158°F (-20°C – 70°C), and a humidity range of 0 – 93 percent (non-condensing).\u003cbr\u003eAn improved cover design isolates the sensor head, which allows for ease of maintenance. A cover tamper feature indicates a trouble signal for a removed or improperly installed sensor cover. The housing provides a 3\/4-inch conduit knockout and ample space to facilitate easy wiring and mounting of a relay module.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FIRE ALARM SYS","offers":[{"title":"Default Title","offer_id":51571309412672,"sku":"396898101896","price":36.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6466\/0032\/files\/Caixa_Logo.png?v=1772210052","url":"https:\/\/firealarmsys.com\/products\/silent-knight-ductcov-same-day-shipping-sealed","provider":"FIRE ALARM SYS","version":"1.0","type":"link"}