{"title":"Duct Detectors","description":"","products":[{"product_id":"edwards-signaling-siga-sd-intelligent-superduct-smoke-detector","title":"Edwards SIGA-SD Intelligent SuperDuct Addressable Duct Smoke Detector, Signature Series","description":"\u003cp\u003eThe Edwards SIGA-SD is an intelligent SuperDuct duct smoke detector that samples HVAC airflow and reports as an addressable device on an Edwards Signature loop.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in Signature Series photoelectric sensor\u003c\/li\u003e\n\u003cli\u003eAnalog decision-making with digital filtering to reduce unwanted alarms\u003c\/li\u003e\n\u003cli\u003eDifferential sensing compensates for gradual dust build-up\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44296746107156,"sku":"SIGA-SD","price":420.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/edwards-duct-detectors-default-title-edwards-siga-sd-duct-smoke-detector-31896781750496.jpg?v=1780945182"},{"product_id":"simplex-4098-9756-duct-sensor-housing-4-wire","title":"Simplex 4098-9756 Duct Sensor Housing, 4-Wire","description":"\u003ch1\u003eSimplex 4098-9756 Addressable Duct Sensor Housings with TrueAlarm Photoelectric Sensor (ULC)\u003c\/h1\u003e\n\u003cp\u003eSimplex 4098-9756 Compact air duct sensor housing with clear cover to monitor for the presence of smoke** Includes factory installed TrueAlarm photoelectric smoke sensor and features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndividual sensor information processed by the host control panel to determine sensor status\u003c\/li\u003e\n\u003cli\u003eDigital transmission of analog sensor values via MAPNET II® or IDNet™, 2-wire communications\u003c\/li\u003e\n\u003cli\u003eProgrammable sensitivity, consistent accuracy, environmental compensation, status testing, and monitoring of sensor dirt accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eModel Simplex 4098-9756:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDuct sensor housing with supervised output for multiple remote relays; requires separate 24 VDC includes one relay\u003c\/li\u003e\n\u003cli\u003eRelay output is under panel control\u003c\/li\u003e\n\u003cli\u003eAt the panel, relay output can be activated manually or in response to a separate alarm or other input \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSimplex 4098-9756 General features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUL listed to Standard 268A\u003c\/li\u003e\n\u003cli\u003eClear cover allows visual inspection\u003c\/li\u003e\n\u003cli\u003eTest ports provide functional smoke testing accesswith cover in place\u003c\/li\u003e\n\u003cli\u003eMounts to rectangular ducts or round ducts; minimumsize is 8” (203 mm) square or 18” (457 mm) diameter\u003c\/li\u003e\n\u003cli\u003eMagnetic test feature for alarm initiation at housing\u003c\/li\u003e\n\u003cli\u003eOptional weatherproof enclosure is available separately (refer to data sheet S4098-0032) \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44296900837652,"sku":"4098-9756","price":331.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9756-4-wire-duct-detector-31912665776352.jpg?v=1780945004"},{"product_id":"simplex-4098-9750-ssd-in-duct-sensor-housing-without-relay","title":"Simplex 4098-9750 TrueAlarm In-Duct Sensor Housing, without Relay","description":"\u003cp\u003eThe Simplex 4098-9750 is a TrueAlarm in-duct sensor housing without relay. It samples air moving through an HVAC duct so smoke in the airstream can be detected and fans shut down before smoke is spread through the building.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIn-duct housing for TrueAlarm analog sensors, per NFPA 72 and NFPA 90A duct detector requirements\u003c\/li\u003e\n\u003cli\u003eIncludes sensor base assembly, mounting box and cover, and mounting gaskets\u003c\/li\u003e\n\u003cli\u003eUL air velocity rating 35 to 2,000 ft\/min (10.7 to 610 m\/min)\u003c\/li\u003e\n\u003cli\u003eFor Simplex 4100ES, 4010ES, 4100U, 4010, 4020, 4100, 4120 and 2120 CDT panels with MAPNET II \/ TrueAlarm communications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSensor head (typically the 4098-9714) and sampling tube ordered separately. For a housing with relay, see the 4098-9751.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44296901394708,"sku":"4098-9750","price":344.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9750-ssd-in-duct-sensor-31897050710240.jpg?v=1780945002"},{"product_id":"simplex-4098-9688","title":"Simplex 4098-9688 Duct Detector Housing, 2-Wire, with Relay Driver","description":"\u003cp\u003eThe Simplex 4098-9688 is a 2-wire duct detector housing with relay driver, used to sample air in HVAC ducts with a Simplex smoke sensor.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44296902082836,"sku":"4098-9688","price":424.7,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9688-duct-detector-31897049792736.jpg?v=1780945000"},{"product_id":"simplex-4098-9687","title":"Simplex 4098-9687 Stand-Alone Duct Smoke Detector Housing with Photo Detector","description":"\u003cp\u003eThe Simplex 4098-9687 is a duct detector housing for HVAC ducts monitored without a fire alarm panel, supplied with a factory-installed 4098-9601 TrueAlarm photoelectric detector and its own relay for fan shutdown.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInput power 120 VAC, 24 VAC or 24 VDC\u003c\/li\u003e\n\u003cli\u003eFail-safe Form C relay, 5 A at 120 VAC or 28 VDC\u003c\/li\u003e\n\u003cli\u003eRequires the 4098-9842 control station, ordered separately\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44296903459092,"sku":"4098-9687","price":412.3,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9687-duct-detector-31897051070688.jpg?v=1780944999"},{"product_id":"edwards-sd-trm","title":"Edwards SD-TRM SuperDuct Magnetic Remote Test Station for 2-Wire Duct Detectors","description":"\u003cp\u003eThe Edwards SD-TRM is a magnetic remote test station for SuperDuct series duct smoke detectors. Duct detectors usually sit above a ceiling, so the station is mounted in an accessible spot to show alarm status and start the detector test with a magnet.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor SuperDuct conventional 2-wire and Signature duct smoke detectors\u003c\/li\u003e\n\u003cli\u003eRed alarm LED behind a clear lens\u003c\/li\u003e\n\u003cli\u003eTest started by holding a magnet against the station (SD-MAG magnet sold separately)\u003c\/li\u003e\n\u003cli\u003eSwitch rated 200 VDC, 0.5 A maximum; LED circuit 3 VDC, 30 mA maximum\u003c\/li\u003e\n\u003cli\u003eWire size 12 to 22 AWG\u003c\/li\u003e\n\u003cli\u003eMounts on a 1-gang box, or a 4 in. square box with a 1-gang cover\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor 4-wire SuperDuct detectors use the SD-TRM4; the keyed version is SD-TRK.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297032827156,"sku":"SD-TRM","price":79.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-remote-test-stations-default-title-kidde-sd-trm-remote-test-station-magnetic-36503579066592.png?v=1780944872"},{"product_id":"edwards-sd-trk4","title":"Edwards SD-TRK4 Keyed Remote Test\/Reset Station for Duct Smoke Detectors","description":"\u003cp\u003eThe Edwards SD-TRK4 is a key-operated remote test and reset station that lets a technician test and reset a compatible duct smoke detector from a convenient location away from the duct, on conventional fire alarm systems.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297033351444,"sku":"SD-TRK4","price":103.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-remote-test-stations-default-title-kidde-sd-trk4-remote-test-reset-station-key-36503334158560.png?v=1780944871"},{"product_id":"edwards-signaling-sd-t42-duct-detector-accessory-42-sampling-tube","title":"Edwards SD-T42 SuperDuct Duct Detector Sampling Tube, 42 in.","description":"\u003cp\u003eThe Edwards SD-T42 is a 42 in. air sampling tube for SuperDuct duct smoke detectors. It draws air from the HVAC duct into the detector's smoke chamber.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInstall with the inlet holes facing the airstream\u003c\/li\u003e\n\u003cli\u003eRotates in 45-degree steps so the housing can mount at almost any angle to the airflow\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297036431636,"sku":"SD-T42","price":20.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-sampling-tubes-default-title-kidde-sd-t42-duct-detector-accessory-42-sampling-tube-36388685742304.jpg?v=1780944866"},{"product_id":"edwards-sd-sj","title":"Edwards SD-SJ SuperDuct 4-Wire Duct Smoke Sensor with RJ-45, Sensor Only","description":"\u003cp\u003eThe Edwards SD-SJ is the sensor half of a SuperDuct four-wire duct smoke detector. Paired with a compatible controller such as the SD-CJ, it samples duct air and signals the controller.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePhotoelectric sensing with differential environmental compensation\u003c\/li\u003e\n\u003cli\u003eAir velocity 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003eLess than 2 in. deep; RJ-45 connectors\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297037250836,"sku":"SD-SJ","price":188.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-duct-detectors-default-title-kidde-sd-sj-duct-detector-36503486169312.png?v=1780944863"},{"product_id":"edwards-signaling-sd-ph-sd-series-superduct-protective-housing-for-high-humidity-areas","title":"Edwards SD-PH SuperDuct Protective Housing for High Humidity Areas","description":"\u003cp\u003eThe Edwards SD-PH is a weatherized protective housing for SuperDuct duct smoke detectors installed in high-humidity environments, helping prevent condensation on the detector.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCirculates air from the monitored HVAC duct around the detector\u003c\/li\u003e\n\u003cli\u003eHinged transparent cover keeps status indicators visible\u003c\/li\u003e\n\u003cli\u003eNot intended for direct outdoor exposure\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297037644052,"sku":"SD-PH","price":570.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-fire-alarms-default-title-kidde-sd-ph-superduct-protective-housing-37984990167264.jpg?v=1780944862"},{"product_id":"edwards-signaling-sd-2w-sd-series-superduct-2-wire-duct-smoke-detector-photoelectric-16-30vdc-operating-voltage-50-750-ohm-alarm-impedance","title":"Edwards SD-2W SuperDuct 2-Wire Photoelectric Duct Smoke Detector, 16-30 VDC","description":"\u003cp\u003eThe Edwards SD-2W is a conventional two-wire SuperDuct duct smoke detector supplied as a complete assembly. It samples air from HVAC ductwork through a sampling tube so smoke moving through the ventilation system is detected before it spreads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePhotoelectric light-scattering sensing, 0.79 to 2.46%\/ft obscuration\u003c\/li\u003e\n\u003cli\u003eDifferential sensing compensates for gradual environmental changes\u003c\/li\u003e\n\u003cli\u003eOperating voltage 16 to 30 VDC; alarm impedance 50 to 750 Ω\u003c\/li\u003e\n\u003cli\u003eAir velocity 100 to 4,000 ft\/min; pressure differential 0.005 to 1.00 in. of water\u003c\/li\u003e\n\u003cli\u003eOne Form C auxiliary alarm relay, 2.0 A at 30 VDC resistive\u003c\/li\u003e\n\u003cli\u003eSlim assembly, 8.70 x 5.45 x 1.90 in. (under 2 in. deep)\u003c\/li\u003e\n\u003cli\u003eRemovable dust filters and conformally coated circuit boards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSampling tubes are ordered separately by duct width.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297039479060,"sku":"SD-2W","price":321.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-duct-detectors-default-title-kidde-sd-2w-duct-detector-smoke-2-wire-36504958533856.png?v=1780944858"},{"product_id":"edwards-esd-st","title":"Edwards ESD-ST SuperDuct Duct Smoke Sensor, 4-Wire, Terminal Connections","description":"\u003cp\u003eThe Edwards ESD-ST is a SuperDuct 4-wire duct smoke sensor with terminal connections. It uses a PCB-mounted photoelectric detector with on-board intelligence and installs with the controller assembly or remotely from it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLess than 2 in. deep for easy installation\u003c\/li\u003e\n\u003cli\u003ePhotoelectric detection with environmental compensation (differential sensing)\u003c\/li\u003e\n\u003cli\u003eAir velocity rating 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003eOperating range -4 to 158 °F (-20 to 70 °C)\u003c\/li\u003e\n\u003cli\u003eStandard RJ45 modular interconnection\u003c\/li\u003e\n\u003cli\u003eStatus LEDs visible through the clear cover; cover tamper reed switch\u003c\/li\u003e\n\u003cli\u003eStandard sampling tube and mounting holes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":44297113108756,"sku":"ESD-ST","price":196.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/edwards-duct-detectors-default-title-edwards-esd-st-superduct-sensor-31896737284320.jpg?v=1780944775"},{"product_id":"siemens-tsm-1-2","title":"Siemens TSM-1 Key-Operated Duct Detector Test Switch (500-696353)","description":"\u003cp\u003eThe Siemens TSM-1 (500-696353) is a key-activated remote test switch for Siemens intelligent smoke and duct detectors, used to check that a detector in a hard-to-reach duct works correctly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKey-operated test switch (T-45 key)\u003c\/li\u003e\n\u003cli\u003eLED indicator\u003c\/li\u003e\n\u003cli\u003eMounts in a single-gang back box\u003c\/li\u003e\n\u003cli\u003eCompatible with Siemens intelligent fire, smoke and duct detectors\u003c\/li\u003e\n\u003cli\u003eFor FireFinder XLS\/XLSV, MXL and MXLV panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44298395943188,"sku":"TSM-1","price":225.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/siemens-duct-detectors-default-title-siemens-tsm-1-500-696353-duct-detector-test-switch-31896978227424.jpg?v=1780944221"},{"product_id":"simplex-4098-9755-duct-sensor-housing","title":"Simplex 4098-9755 Duct Sensor Housing","description":"\u003ch1\u003eSimplex 4098-9755 Duct Detector (0631132) (ULC) \u003c\/h1\u003e\n\u003cp\u003eCompact air duct sensor housing with clear cover to monitor for the presence of smoke**\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIncludes factory installed TrueAlarm photoelectric smoke sensor and features:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Individual sensor information processed by the host control panel to determine sensor status\u003c\/li\u003e\n\u003cli\u003eDigital transmission of analog sensor values via IDNet or MAPNET II, 2-wire communications\u003c\/li\u003e\n\u003cli\u003eProgrammable sensitivity, consistent accuracy, environmental compensation, status testing, and monitoring of sensor dirt accumulation \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGeneral features:\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e Clear cover allows visual inspection\u003c\/li\u003e\n\u003cli\u003eTest ports provide functional smoke testing access with cover in place\u003c\/li\u003e\n\u003cli\u003eMounts to rectangular ducts or round ducts; minimum size is 8” (203 mm) square or 18” (457 mm) diameter\u003c\/li\u003e\n\u003cli\u003eMagnetic test feature for alarm initiation at housing\u003c\/li\u003e\n\u003cli\u003eOptional weatherproof enclosure is available separately (refer to data sheet S4098-0032) \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca title=\"https:\/\/www.simplex-fire.com\/en\/us\/DocumentsandMedia\/4098-0030.PDF\" href=\"https:\/\/www.simplex-fire.com\/en\/us\/DocumentsandMedia\/4098-0030.PDF\"\u003eSimplex 4098-9755 Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44298962305300,"sku":"4098-9755","price":308.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9755-2-wire-duct-detector-31897058443488.jpg?v=1780943972"},{"product_id":"simplex-4098-9751-in-duct-sensor-housing-with-relay-and-beige-mounting-box-requires-4098-9714-sensor","title":"Simplex 4098-9751 In-Duct Sensor Housing with Relay, Beige Box","description":"\u003cp\u003eThe Simplex 4098-9751 is an in-duct sensor housing with relay and beige mounting box, used for smoke detection in HVAC ductwork.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in relay\u003c\/li\u003e\n\u003cli\u003eRequires the 4098-9714 sensor, sold separately\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44298963321108,"sku":"4098-9751","price":420.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-9751-ssd-in-duct-sensor-housing-31897050841312.jpg?v=1780943971"},{"product_id":"simplex-4098-5214-duct-housing-no-relay-or-detector","title":"Simplex 4098-5214 MX Addressable Duct Sensor Housing, Less Sensor","description":"\u003cp\u003eThe Simplex 4098-5214 is an MX Technology addressable duct smoke sensor housing for the 4098-5252 photoelectric sensor. Mounted outside an HVAC duct, it draws a sample of the airstream across the sensor and returns it through the exhaust tube.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor 4100ES and 4010ES panels with an MX addressable loop module; one address per base\u003c\/li\u003e\n\u003cli\u003eIncludes internal sensor base, 7 in. exhaust tube, end plug, screws and template\u003c\/li\u003e\n\u003cli\u003eClear cover for inspection\u003c\/li\u003e\n\u003cli\u003eAir velocity 500 to 4,000 ft\/min; 0°C to 38°C\u003c\/li\u003e\n\u003cli\u003e10 x 8-1\/2 x 2-1\/4 in.; 18 to 14 AWG terminals\u003c\/li\u003e\n\u003cli\u003eListed to UL 268A\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 4098-5252 sensor and an STS sampling tube (STS-2.5, STS-5.0 or STS-10.0 by duct width) are ordered separately. Backward compatible with the 4098-5202.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44298970530068,"sku":"4098-5214","price":350.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/simplex-duct-detectors-default-title-simplex-4098-5214-duct-housing-no-relay-31897047335136.jpg?v=1780943965"},{"product_id":"siemens-fdbz492-1","title":"Siemens FDBZ492 Two-Wire Air Duct Detector Housing, No Relay (S54319-B22-A1)","description":"\u003cp\u003eThe Siemens FDBZ492 (S54319-B22-A1) is a two-wire air duct monitoring housing, supplied without relays and without a detector head. It draws a cross-sectional air sample from the HVAC duct through an inlet tube and returns it through an outlet tube, so smoke reaches the detector even when it stratifies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAccepts addressable or conventional Siemens detectors, including OP121, FP-11, HFP-11 and FDO421\u003c\/li\u003e\n\u003cli\u003eAir velocity 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003eDuct temperature range set by the detector fitted (up to 120°F with OP121 or FDO421)\u003c\/li\u003e\n\u003cli\u003eClear cover with smoke test port and four captive thumb screws\u003c\/li\u003e\n\u003cli\u003eTwo 3\/4 in. knockouts and one 1\/2 in. conduit opening; 5.5 in. outlet tube supplied\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDetector head and inlet sampling tube (ST-10, ST-25, ST-50 or ST-100, by duct width) sold separately. Relay versions: FDBZ492-R, FDBZ492-HR and FDBZ492-PR.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44299015389460,"sku":"FDBZ492","price":271.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/siemens-duct-detectors-default-title-siemens-fdbz492-s54319-b22-a1-duct-housing-31896952537312.jpg?v=1780943893"},{"product_id":"siemens-fdbz492-hr-1","title":"Siemens FDBZ492-HR Addressable Duct Detector Housing with Relay, 2-Wire","description":"\u003cp\u003eThe Siemens FDBZ492-HR (S54319-B23-A1) is a two-wire addressable air-duct detector housing with a programmable relay base. Duct air is drawn through a sampling tube into the housing so the installed detector head can sense smoke carried through the HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo-wire addressable housing with programmable relay base\u003c\/li\u003e\n\u003cli\u003eDuct air velocity 100 to 4,000 ft\/min (0.51 to 20 m\/s)\u003c\/li\u003e\n\u003cli\u003eClear cover with smoke test port; head type visible without opening\u003c\/li\u003e\n\u003cli\u003eTool-free cover removal and sampling\/exhaust tube connection\u003c\/li\u003e\n\u003cli\u003eAccepts Siemens heads including OOH941, OOHC941, OP921, FP-11, HFP-11 and SFP-11\u003c\/li\u003e\n\u003cli\u003eCompatible with the FDBZ492-RTL remote test switch\u003c\/li\u003e\n\u003cli\u003e0 to 49 °C, 0 to 95% RH non-condensing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDetector head and sampling tube are purchased separately. A drilling template is supplied.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44299017322772,"sku":"FDBZ492-HR","price":306.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/siemens-duct-detectors-default-title-siemens-fdbz492-hr-s54319-b23-a1-duct-detector-2-wire-31896953782496.jpg?v=1780943891"},{"product_id":"edwards-6261-003","title":"Edwards 6261-003 Air Sampling Inlet Tube, 42 in. (1060 mm), for SIGA-DH Duct Housing","description":"\u003cp\u003eThe Edwards 6261-003 is a 42 in. (1060 mm) air sampling inlet tube for the Edwards SIGA-DH duct smoke detector housing. The tube extends into the HVAC duct and carries sampled air to the detector in the housing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLength 42 in. (1060 mm)\u003c\/li\u003e\n\u003cli\u003eFor the Edwards SIGA-DH duct detector housing\u003c\/li\u003e\n\u003cli\u003eOne inlet tube required per duct detector housing\u003c\/li\u003e\n\u003cli\u003eChoose the tube length to suit the duct width\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":46908002500884,"sku":"6261-003","price":19.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/edwards-sampling-tubes-default-title-edwards-est-6261-003-42-inch-1060mm-air-sampling-inlet-tube-31896713756896.jpg?v=1780943789"},{"product_id":"edwards-signaling-sd-t24-sd-series-superduct-24-air-sample-tube-for-duct-smoke-detectors","title":"Edwards SD-T24 SuperDuct 24 in. Air Sample Tube for SD Series Duct Smoke Detectors","description":"\u003cp\u003eThe Edwards SD-T24 is a 24 in. air sampling tube for SD Series SuperDuct duct smoke detectors. The tube extends into the duct and carries air to the detector housing for smoke sampling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e24 in. sample tube length\u003c\/li\u003e\n\u003cli\u003eFor SD Series SuperDuct duct smoke detector housings\u003c\/li\u003e\n\u003cli\u003eSuperDuct housings are less than 2 in. deep and rated for air velocities of 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelect the tube length to suit the duct width as specified in the SuperDuct installation instructions.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":47207650885908,"sku":"SD-T24","price":21.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-sampling-tubes-default-title-kidde-sd-t24-sd-series-superduct-24-air-sample-tube-36388722311392.jpg?v=1780943733"},{"product_id":"kidde-gsa-dh","title":"Kidde GSA-DH Intelligent Duct Smoke Detector Housing, Signature Series","description":"\u003cp\u003eThe Kidde GSA-DH is a duct housing for Signature Series intelligent smoke detectors. It accepts a standard Signature detector and base, and samples duct air through an inlet tube that crosses the duct and an exhaust tube that returns it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible detectors: GSA-PS, GSA-PHS and GSA-IPHS\u003c\/li\u003e\n\u003cli\u003eAir velocity: 300 to 4,000 ft\/min with GSA-PS or GSA-PHS; 300 to 1,000 ft\/min with GSA-IPHS\u003c\/li\u003e\n\u003cli\u003eDuct width from 8 in. (200 mm) up to 10 ft (3.05 m)\u003c\/li\u003e\n\u003cli\u003e16 gauge cold rolled steel, red baked enamel finish\u003c\/li\u003e\n\u003cli\u003e7-3\/8 x 7 x 5 in. (188 x 178 x 127 mm); 1\/2 and 3\/4 in. knockouts\u003c\/li\u003e\n\u003cli\u003eUses one input device address on a Signature loop\u003c\/li\u003e\n\u003cli\u003eUL, ULC, MEA and CSFM approvals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes a 6 in. exhaust tube, gaskets and drilling template. Order the detector, base (GSA-SB, GSA-RB or GSA-IB) and a 73681 series sampling tube separately. Not weatherproof or dust tight.\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":48540093415700,"sku":"GSA-DH","price":158.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/edwards-fire-alarms-default-title-edwards-gsa-dh-duct-detector-housing-33699508682976.jpg?v=1780943657"},{"product_id":"edwards-signaling-fx-pdd-intelligent-addressable-duct-smoke-detector","title":"Kidde FX-PDD Intelligent Addressable Photoelectric Duct Smoke Detector","description":"\u003cp\u003eThe Kidde FX-PDD is an intelligent addressable photoelectric duct smoke detector. It gives early warning of smoke in HVAC ducts and can shut down the air handler to keep smoke from circulating through the building.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLess than 2 in. deep for tight spaces\u003c\/li\u003e\n\u003cli\u003e15.2 to 19.95 VDC operation\u003c\/li\u003e\n\u003cli\u003eAir velocity rating 100 to 4,000 ft\/min; 0 to 50°C operating range\u003c\/li\u003e\n\u003cli\u003eSensitivity 0.79% to 2.46% obscuration\/ft with environmental compensation\u003c\/li\u003e\n\u003cli\u003eOne Form C auxiliary alarm relay for HVAC control\u003c\/li\u003e\n\u003cli\u003eMagnet-activated test switch, cover monitor switch, status LEDs visible through clear cover\u003c\/li\u003e\n\u003cli\u003eRemovable dust filters and conformally coated circuit boards\u003c\/li\u003e\n\u003cli\u003eSampling tube rotates in 45° steps; standard tube spacing for easy retrofit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSampling tube sold separately (SD-T series).\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":48540093645076,"sku":"FX-PDD","price":431.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-duct-detectors-default-title-kidde-fx-pdd-intelligent-addressable-optical-duct-detector-39957007859936.webp?v=1780943657"},{"product_id":"edwards-6261-001","title":"Edwards 6261-001 Air Sampling Inlet Tube, 8 in. (200 mm), for Duct Detectors","description":"\u003cp\u003eThe Edwards 6261-001 is an 8 in. (200 mm) air sampling inlet tube for Edwards duct smoke detector housings. The tube extends into the HVAC duct and carries sampled air to the detector.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir sampling inlet tube, 8 in. (200 mm) long\u003c\/li\u003e\n\u003cli\u003eFor the Edwards SIGA-DH duct smoke detector housing\u003c\/li\u003e\n\u003cli\u003eOne inlet tube required per duct detector housing\u003c\/li\u003e\n\u003cli\u003eChoose the tube length to suit the duct width\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49424482271508,"sku":"6261-001","price":11.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/edwards-sampling-tubes-default-title-edwards-6261-001-8-inch-air-sampling-inlet-tube-34715386544352.jpg?v=1780943560"},{"product_id":"edwards-sd-rj10","title":"Edwards SD-RJ10 SuperDuct Wiring Harness Kit, 10 ft","description":"\u003cp\u003eThe Edwards SD-RJ10 is a 10 ft wiring harness kit for SuperDuct duct smoke detectors. SuperDuct sensor and controller assemblies use standard RJ45 modular interconnection, and the harness allows the sensor to be installed remotely from the controller rather than in tandem.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e10 ft wiring harness\u003c\/li\u003e\n\u003cli\u003eFor Edwards SuperDuct duct smoke detectors\u003c\/li\u003e\n\u003cli\u003eStandard RJ45 modular connection\u003c\/li\u003e\n\u003cli\u003eAllows remote installation of the sensor from the controller assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49424483680532,"sku":"SD-RJ10","price":50.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/kidde-fire-alarms-default-title-kidde-sd-rj10-duct-detector-accessory-wiring-harness-kit-36747935318240.png?v=1780943557"},{"product_id":"potter-pad200-ductr","title":"Potter PAD200-DUCTR Analog Addressable Duct Smoke Detector with Form C Relay","description":"\u003cp\u003eThe Potter PAD200-DUCTR is an analog addressable duct smoke detector for HVAC ducts, supplied complete with housing, a PAD200-DD photoelectric head and one Form C relay. Two tubes protruding into the duct sample the moving air, and the unit mounts with a template and two screws without removing the clear cover.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e24 VDC, 500 µA\u003c\/li\u003e\n\u003cli\u003eRelay contacts: 8 A at 30 VDC, 10 A at 120 VAC and 250 VAC\u003c\/li\u003e\n\u003cli\u003ePhotoelectric head fixed at 2.5%\/ft; air velocity 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003eSLC Class A, X and B; integrated cover tamper switch\u003c\/li\u003e\n\u003cli\u003eUL 268A listed; for IPA and AFC\/ARC series panels\u003c\/li\u003e\n\u003cli\u003e32 to 120 °F, 10 to 85% RH; 13-1\/2 x 4-1\/2 x 2-1\/4 in., 2 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e7 in. exhaust tube included; order intake tubes (STN-2.5, STN-5, STN-10) for the duct width. Supervised accessories: PAD100-DRTS, MS-RA, MS-KA\/R, MS-KA\/P\/R. The current model is the PAD300-DUCTR.\u003c\/p\u003e","brand":"Potter","offers":[{"title":"Default Title","offer_id":49892060430612,"sku":"PAD200-DUCTR","price":555.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/potter-duct-detectors-default-title-potter-pad200-ductr-addressable-duct-detector-31896919539936.jpg?v=1780943287"},{"product_id":"system-sensor-st-3","title":"System Sensor ST-3 Metal Sampling Tube for Duct Widths 2 to 4 ft","description":"\u003cp\u003eThe System Sensor ST-3 is a metal air sampling tube for System Sensor duct smoke detectors, sized for ducts 2 to 4 ft wide. The tube can be installed from the front or back of the detector housing and locks into place.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMetal sampling tube for duct widths of 2 to 4 ft\u003c\/li\u003e\n\u003cli\u003eFor DH100, DH200, DH400 and DH500 Series duct smoke detectors\u003c\/li\u003e\n\u003cli\u003eInstalls from the front or back; released with the front or rear locking tab\u003c\/li\u003e\n\u003cli\u003eInstall with the air inlet holes facing into the airflow\u003c\/li\u003e\n\u003cli\u003eShould extend at least 2\/3 across the duct; support tubes longer than 3 ft at the far end\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":49892220207380,"sku":"ST-3","price":35.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/system-sensor-sampling-tubes-default-title-system-sensor-st-3-metal-sampling-tube-33763655811296.jpg?v=1780942502"},{"product_id":"honeywell-stn-2-5-l8","title":"Honeywell STN-2.5-L8 2.5 ft Sampling Tube for SL Series Duct Detectors","description":"\u003cp\u003eThe Honeywell STN-2.5-L8 is a 2.5 ft sampling tube for SL Series duct smoke detectors. The tube extends into the duct to draw air into the detector housing so smoke in the airstream can be sensed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDuct detector sampling tube\u003c\/li\u003e\n\u003cli\u003e2.5 ft length\u003c\/li\u003e\n\u003cli\u003eFor SL Series duct smoke detectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose a sampling tube length that matches the duct width, as specified in the duct detector installation manual.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49892222599444,"sku":"STN-2.5-L8","price":27.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/honeywell-sampling-tubes-default-title-honeywell-stn-2-5-l8-duct-detector-sampling-tube-35162717880544.jpg?v=1780942478"},{"product_id":"potter-pad300-ductr-analog-addressable-duct-detector-one-form-relay-compatible-with-addressable-ipa-and-afc-arc-series-panels-gray-and-clear-finish","title":"Potter PAD300-DUCTR Analog Addressable Duct Smoke Detector with Form C Relay","description":"\u003cp\u003eThe Potter PAD300-DUCTR is an analog addressable duct smoke detector with one Form C relay, for HVAC ducts on Potter addressable IPA and AFC\/ARC Series panels. It ships complete with housing and detector head.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDetects smoke in building HVAC ducts\u003c\/li\u003e\n\u003cli\u003eSLC Class A, Class X and Class B\u003c\/li\u003e\n\u003cli\u003eListed air velocity 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003eOne Form C relay; integrated cover tamper switch\u003c\/li\u003e\n\u003cli\u003ePlastic enclosure with clear cover; no screens or filters\u003c\/li\u003e\n\u003cli\u003eInstalls without removing the head; snap-in sampling tubes\u003c\/li\u003e\n\u003cli\u003eWorks with PAD100-DRTS remote test switch and MS-RA, MS-KA\/R, MS-KA\/P\/R remote indicators\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA 7 in. exhaust tube is included. Order STN Series intake sampling tubes (2.5, 5 or 10 ft) to suit the duct width. UUKL listed for smoke control.\u003c\/p\u003e","brand":"Potter","offers":[{"title":"Default Title","offer_id":51127729193236,"sku":"PAD300-DUCTR","price":658.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/potter-duct-detectors-default-title-potter-pad300-ductr-analog-addressable-duct-detector-38071652810976.jpg?v=1780941772"},{"product_id":"potter-pad200-duct","title":"Potter PAD200-DUCT Analog Addressable Duct Smoke Detector","description":"\u003cp\u003eThe Potter PAD200-DUCT is an analog addressable duct smoke detector for sensing smoke in building HVAC ducts. It ships complete with housing and detector head and works with Potter IPA and AFC\/ARC series addressable panels.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Potter IPA and AFC\/ARC series addressable panels\u003c\/li\u003e\n\u003cli\u003eSLC in\/out terminals; SLC Class A, Class X and Class B\u003c\/li\u003e\n\u003cli\u003eListed air velocity 100 to 4,000 ft\/min\u003c\/li\u003e\n\u003cli\u003e7 in. exhaust tube and mounting template included; no screens or filters in the housing\u003c\/li\u003e\n\u003cli\u003eMounts without removing the clear cover, secured by 4 captive screws\u003c\/li\u003e\n\u003cli\u003eSensor technology complies with UL 268 7th edition\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIntake sampling tubes are ordered separately in 2.5, 5 or 10 ft lengths. Legacy model; the current model is the PAD300-DUCT.\u003c\/p\u003e","brand":"Potter","offers":[{"title":"Default Title","offer_id":51127729226004,"sku":"PAD200-DUCT","price":470.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/potter-duct-detectors-default-title-potter-pad200-duct-analog-addressable-duct-detector-37986230993120.png?v=1780941772"},{"product_id":"sae-ssu-sl-2000-p-duct-smoke-detectors-photoelectric-detection","title":"Air Products and Controls SL-2000-P Photoelectric Duct Smoke Detector, 4-Wire","description":"\u003cp\u003eThe Air Products and Controls SL-2000-P is a conventional 4-wire photoelectric duct smoke detector that senses smoke in air moving through HVAC ducts, so air handlers, fans and blowers can be shut down to stop smoke from spreading. It is built around tool-free installation and service features.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMulti-voltage: 230 VAC, 115 VAC, 24 VAC or 24 VDC\u003c\/li\u003e\n\u003cli\u003eListed for duct air velocities of 100 to 4000 ft\/min, including high-temperature applications\u003c\/li\u003e\n\u003cli\u003eTwo 10 A Form C alarm contacts, one 2 A Form A alarm contact and one 10 A Form C trouble contact\u003c\/li\u003e\n\u003cli\u003eTool-free front or rear loading of sampling and exhaust tubes; test port for aerosol smoke testing without removing the cover\u003c\/li\u003e\n\u003cli\u003eReset switch doubles as an alarm test switch; magnet test capability (magnet included)\u003c\/li\u003e\n\u003cli\u003eInterconnect up to 30 units for common functions\u003c\/li\u003e\n\u003cli\u003eListed to UL 268A and ULC S529; also CSFM and MEA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor outdoor or harsh locations, pair it with the WP-2000 weatherproof enclosure.\u003c\/p\u003e","brand":"Air Products and Controls","offers":[{"title":"Default Title","offer_id":51198032216340,"sku":"SL-2000-P","price":234.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0516\/9172\/files\/air-products-and-controls-duct-detectors-default-title-apc-sl-2000-p-photoelectric-duct-smoke-detector-38206367006944.png?v=1780941716"},{"product_id":"sae-ssu-55000-335dct-duct-smoke-detector-replacement-head","title":"Air Products and Controls 55000-335DCT Photoelectric Replacement Detector Head","description":"\u003cp\u003eThe Air Products and Controls 55000-335DCT is a photoelectric replacement smoke detector head from the Series 65A range. 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