{"product_id":"simplex-2098-9649-duct-detector-housing-in-stock","title":"2098-9649 | Simplex Duct Detector Housing Gray, 2\/4-Wire for Fire\/HVAC Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Simplex 2098-9649 is a discontinued gray duct detector housing designed for use with compatible smoke detector heads in HVAC applications. It supports both 2-wire and 4-wire configurations to monitor airflow for smoke presence in duct systems.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSimplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2098-9649\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir Duct Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Detector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSimplex 4098-9681 smoke detector head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire or 4-wire DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage (2W)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15–32 VDC, polarized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage (4W)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18–32 VDC, polarized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage (AC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC, 60 Hz with external transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20% maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–40 µA (depending on configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 ohms (with remote alarm LED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRated 2A at 120 VAC or 28 VDC resistive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Tube\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 in diameter, 24 in length (Model 2098-9797)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Tube\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 in diameter, 12 in length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e2098-9649\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 2098-9649 is a Simplex duct detector housing designed for use in combination with model 4098-9681 sensor heads. It provides reliable smoke detection in air handling systems by sampling air through inlet and exhaust tubes. The housing accommodates 2-wire and 4-wire DC operation and includes integrated relay contacts for alarm initiation and control. Though discontinued, the 2098-9649 remains a vital service component for existing Simplex HVAC smoke detection systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDuct Detector Housing: Provides a secure mount for compatible Simplex smoke detector heads.\u003c\/li\u003e\n\u003cli\u003eGray Enclosure: Durable construction for HVAC duct installations.\u003c\/li\u003e\n\u003cli\u003e2-Wire DC Support: Operates with 15–32 VDC input, polarized.\u003c\/li\u003e\n\u003cli\u003e4-Wire DC Support: Operates with 18–32 VDC input, polarized.\u003c\/li\u003e\n\u003cli\u003eAC Option Available: Supports 120 VAC operation with optional transformer.\u003c\/li\u003e\n\u003cli\u003eIntegrated Relays: Includes alarm and trouble relay contacts for control functions.\u003c\/li\u003e\n\u003cli\u003eSupervision Features: Self-contained relay ensures reliable supervision of detector and power supply.\u003c\/li\u003e\n\u003cli\u003eLED Compatibility: Supports remote alarm LED indicators when equipped.\u003c\/li\u003e\n\u003cli\u003eLegacy System Role: Designed for use with 4098-9681 and similar Simplex fire detection products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 2098-9649 delivers the reliability and precision required for duct-mounted smoke detection in HVAC fire safety systems.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":50644226244906,"sku":"2098-9649","price":334.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/0199e31e-6b54-73c3-b539-bc2675c5df78.webp?v=1772099630","url":"https:\/\/iqelectro.com\/products\/simplex-2098-9649-duct-detector-housing-in-stock","provider":"IQElectro","version":"1.0","type":"link"}