{"product_id":"d4120a-4-wire-photoelectric-duct-smoke-detector-with-sampling-tube","title":"D4120A 4-Wire Photoelectric Duct Smoke Detector with Sampling Tube","description":"\u003cp data-start=\"126\" data-end=\"286\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"130\" data-end=\"160\"\u003eD4120A Duct Smoke Detector\u003c\/strong\u003e is a 4-wire photoelectric detector designed to monitor airflow within compatible HVAC duct systems for the presence of smoke.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"288\" data-end=\"617\"\u003eIts integrated low-flow detection technology samples air moving through the duct. When sufficient smoke is detected, the unit can initiate an alarm signal and support compatible HVAC control functions, such as fan shutdown, to help limit the movement of smoke through the ventilation system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"619\" data-end=\"905\"\u003eThe multi-voltage design supports \u003cstrong data-start=\"653\" data-end=\"687\"\u003e24V AC\/DC or 120V AC operation\u003c\/strong\u003e and provides alarm, supervisory and auxiliary relay contacts for compatible control-panel and HVAC interfaces. This is a 4-wire device and is not intended for 2-wire applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"907\" data-end=\"1185\"\u003eA pivoting housing allows the detector to be arranged in square or rectangular configurations and mounted on compatible round or rectangular ductwork. The plug-in photoelectric sensor head supports easier testing, servicing and replacement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1187\" data-end=\"1483\"\u003eThis listing includes a compatible sampling tube, commonly described as the \u003cstrong data-start=\"1263\" data-end=\"1270\"\u003erod\u003c\/strong\u003e. The sampling tube must be correctly sized for the width of the HVAC duct to ensure proper air sampling. Confirm the included tube length and duct dimensions before ordering. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1485\" data-end=\"1501\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1503\" data-end=\"2157\"\u003e\n\u003cli data-section-id=\"wz0lq\" data-start=\"1503\" data-end=\"1548\"\u003eFour-wire photoelectric duct smoke detector\u003c\/li\u003e\n\u003cli data-section-id=\"yo2r7h\" data-start=\"1549\" data-end=\"1591\"\u003eIntegrated low-flow detection technology\u003c\/li\u003e\n\u003cli data-section-id=\"ttjzfm\" data-start=\"1592\" data-end=\"1637\"\u003eDesigned to sample air within HVAC ductwork\u003c\/li\u003e\n\u003cli data-section-id=\"1vxops0\" data-start=\"1638\" data-end=\"1680\"\u003eIncludes compatible sampling tube or rod\u003c\/li\u003e\n\u003cli data-section-id=\"1fkzc7l\" data-start=\"1681\" data-end=\"1720\"\u003eOperates on 24V AC, 24V DC or 120V AC\u003c\/li\u003e\n\u003cli data-section-id=\"hsjhpl\" data-start=\"1721\" data-end=\"1759\"\u003eAlarm and supervisory relay contacts\u003c\/li\u003e\n\u003cli data-section-id=\"nr8dxm\" data-start=\"1760\" data-end=\"1819\"\u003eAuxiliary relays for compatible fan-shutdown applications\u003c\/li\u003e\n\u003cli data-section-id=\"7jwy2i\" data-start=\"1820\" data-end=\"1882\"\u003eAir-velocity operating range of 100 to 4,000 feet per minute\u003c\/li\u003e\n\u003cli data-section-id=\"mtoel7\" data-start=\"1883\" data-end=\"1942\"\u003ePivoting housing for square or rectangular configurations\u003c\/li\u003e\n\u003cli data-section-id=\"utfh69\" data-start=\"1943\" data-end=\"1995\"\u003eMounts to compatible round or rectangular ductwork\u003c\/li\u003e\n\u003cli data-section-id=\"emc0ok\" data-start=\"1996\" data-end=\"2029\"\u003eReplaceable plug-in sensor head\u003c\/li\u003e\n\u003cli data-section-id=\"1bu40fo\" data-start=\"2030\" data-end=\"2060\"\u003eAccessible Test\/Reset button\u003c\/li\u003e\n\u003cli data-section-id=\"4rmg91\" data-start=\"2061\" data-end=\"2084\"\u003eLED status indication\u003c\/li\u003e\n\u003cli data-section-id=\"p86gyj\" data-start=\"2085\" data-end=\"2110\"\u003eCover-tamper monitoring\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2159\" data-end=\"2393\"\u003eThe detector is designed for airflow speeds from \u003cstrong data-start=\"2208\" data-end=\"2240\"\u003e100 to 4,000 feet per minute\u003c\/strong\u003e, operating temperatures from approximately \u003cstrong data-start=\"2284\" data-end=\"2301\"\u003e-20°C to 70°C\u003c\/strong\u003e, and relative humidity from 0% to 95% non-condensing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"t4s7oa\" data-start=\"2395\" data-end=\"2412\"\u003eBest Used For\u003c\/h2\u003e\n\u003cul data-start=\"2414\" data-end=\"2692\"\u003e\n\u003cli data-section-id=\"a5i20u\" data-start=\"2414\" data-end=\"2439\"\u003eCommercial HVAC systems\u003c\/li\u003e\n\u003cli data-section-id=\"1qtx15y\" data-start=\"2440\" data-end=\"2468\"\u003eSupply-air duct monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"126q6u7\" data-start=\"2469\" data-end=\"2497\"\u003eReturn-air duct monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"11lmhkd\" data-start=\"2498\" data-end=\"2516\"\u003eOffice buildings\u003c\/li\u003e\n\u003cli data-section-id=\"2i812k\" data-start=\"2517\" data-end=\"2536\"\u003eRetail facilities\u003c\/li\u003e\n\u003cli data-section-id=\"w7g40o\" data-start=\"2537\" data-end=\"2574\"\u003eSchools and institutional buildings\u003c\/li\u003e\n\u003cli data-section-id=\"tniev2\" data-start=\"2575\" data-end=\"2587\"\u003eWarehouses\u003c\/li\u003e\n\u003cli data-section-id=\"42f3ho\" data-start=\"2588\" data-end=\"2611\"\u003eIndustrial facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1jvgidj\" data-start=\"2612\" data-end=\"2647\"\u003eCompatible rooftop HVAC equipment\u003c\/li\u003e\n\u003cli data-section-id=\"47karm\" data-start=\"2648\" data-end=\"2692\"\u003eFire-alarm and mechanical-control projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"ambogg\" data-start=\"2694\" data-end=\"2732\"\u003eImportant Installation Information\u003c\/h2\u003e\n\u003cp data-start=\"2734\" data-end=\"3075\"\u003eA duct smoke detector is intended to monitor smoke within an operating air-handling system. It is not a replacement for required open-area smoke detectors or a complete building fire-detection system. The detector requires electrical power, airflow and a properly installed cover to operate as designed. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3077\" data-end=\"3373\"\u003eInstallation, wiring, sampling-tube selection, testing and maintenance must follow the manufacturer’s instructions, the applicable fire and building codes, and the requirements of the local authority having jurisdiction. Installation should be completed by qualified fire-alarm or HVAC personnel.\u003c\/p\u003e","brand":"JENCO","offers":[{"title":"Default Title","offer_id":46596424859845,"sku":"D4120A DUCT SMOKE WITH ROD","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/0378\/1061\/files\/d4120a-4-wire-photoelectric-duct-smoke-detector-jenco-1.png?v=1785122446","url":"https:\/\/jencocanada.ca\/products\/d4120a-4-wire-photoelectric-duct-smoke-detector-with-sampling-tube","provider":"Jenco Canada","version":"1.0","type":"link"}