System Sensor

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  • System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VACSystem Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
    SYSTEM SENSOR
    System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
    SKU: D4120W
    Product DescriptionThe System Sensor D4120W watertight 4-wire photoelectric duct smoke detector is designed to provide reliable smoke detection in harsh environments. This unit features a UL-listed watertight enclosure, which protects against dirt, rain, and dust, making it ideal for both indoor and outdoor applications....
    $187.91
    $187.91
    $311.63
  • System Sensor RTS151KEY Key Remote Test and Reset Station for Duct Smoke Detector
    SYSTEM SENSOR
    System Sensor RTS151KEY Key Remote Test and Reset Station for Duct Smoke Detector
    SKU: RTS151KEY
    Product DescriptionThe System Sensor RTS151KEY is a remote test and reset station explicitly designed for duct smoke detectors, suitable for simplifying maintenance and testing procedures in commercial and residential buildings. This device replaces the RTS451KEY model and is compatible with both 2-wire and 4-wire...
    $74.37
    $74.37
    $96.67
  • 170145415.jpg170145416.jpg
    SYSTEM SENSOR
    System Sensor RTS2 Multi-Signaling Accessory 20-29VDC InnovairFlex
    SKU: RTS2
    Product DescriptionThe System Sensor RTS2 is a multi-signaling accessory designed to support InnovairFlex 4-wire conventional duct smoke detectors. This product, manufactured in Mexico, offers a versatile solution for enhancing fire safety systems. It operates on a voltage range of 20 to 29VDC and produces...
    $117.07
    $117.07
    $145.42
  • System Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 FeetSystem Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 Feet
    SYSTEM SENSOR
    System Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 Feet
    SKU: DST3
    Product DescriptionThe System Sensor DST3 Metal Sampling Tube is an essential component for DNRE and D2E duct smoke detectors, designed to ensure reliable smoke detection in HVAC systems. The DST3 is manufactured by System Sensor and has been created with the precision and reliability...
    $21.99
    $21.99
  • System Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke DetectorsSystem Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke Detectors
    SYSTEM SENSOR
    System Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke Detectors
    SKU: RTS2-AOS
    Product DescriptionThe System Sensor RTS2-AOS Multi-Signaling Module, optimized for use with InnovairFlex 4-wire conventional duct smoke detectors, provides advanced signaling functionalities. Incorporating a key switch, users can effortlessly select and manage connected sensors for testing and reset operations. The model also features LED indicators...
    $179.06
    $179.06
  • System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector
    SYSTEM SENSOR
    System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector
    SKU: D4S
    Product DescriptionThe System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke Detector offers reliable detection of smoke in air duct systems, utilizing advanced photoelectric technology. Optimal for both commercial and industrial environmental application, this device is equipped for versatile installations in varying duct configurations. Flexible...
    $154.75
    $154.75
    $136.49
  • System Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetectorSystem Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetector
    SYSTEM SENSOR
    System Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetector
    SKU: RTS151
    Product DescriptionThe System Sensor RTS151 Remote Test Station, created by Honeywell International, is an essential safety accessory designed to remotely test duct smoke detectors, promoting efficient fire safety management. This device is a practical choice for fire safety professionals looking to maintain operational safety...
    $49.34
    $49.34
    $66.69
  • System Sensor AOS Add-On Strobe AccessorySystem Sensor AOS Add-On Strobe Accessory
    SYSTEM SENSOR
    System Sensor AOS Add-On Strobe Accessory
    SKU: AOS
    Product DescriptionThe System Sensor AOS Add-On Strobe Accessory is designed to enhance the visibility of fire and emergency alerts. This accessory is compatible with the RTS2 model and is a reliable addition to your safety systems. Compatible with RTS2 Reliable safety solution Enhances visibility...
    $60.30
    $60.30
    $77.10
  • System Sensor APA151 Remote Annunciator with Piezo Alarm 24V DCSystem Sensor APA151 Remote Annunciator with Piezo Alarm 24V DC
    SYSTEM SENSOR
    System Sensor APA151 Remote Annunciator with Piezo Alarm 24V DC
    SKU: APA151
    Product DescriptionThe System Sensor APA151 is a remote annunciator that features a piezo alarm designed to enhance safety in environments requiring reliable fire detection. Manufactured by Honeywell International, Inc., this model serves as an effective upgrade, replacing the APA451 and providing both enhanced functionality...
    $50.11
    $50.11
    $62.64
  • System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLPSystem Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
    SYSTEM SENSOR
    System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
    SKU: D4120
    Product DescriptionThe System Sensor D4120 is a 4-wire photoelectric duct smoke detector designed for challenging conditions. It senses smoke within air ducts using a pivoting housing compatible with both round and rectangular ducts. It operates effectively even with airflow speeds between 100 and 4000...
    $146.46
    $146.46
    $219.36
  • System Sensor DST1.5 Metal Sampling Tube for D4120 Duct Smoke Detectors - 1-foot to 2-foot
    SYSTEM SENSOR
    System Sensor DST1.5 Metal Sampling Tube for D4120 Duct Smoke Detectors - 1-foot to 2-foot
    SKU: DST1.5
    Product DescriptionThe System Sensor DST1.5 Metal Sampling Tube is engineered for use with D4120 and D4S duct smoke detectors, accommodating duct widths from one foot to two feet. This product, part of the innovative InnovairFlex line, enhances the functionality of duct smoke detectors by...
    $21.99
    $21.99
  • System Sensor 2W-B Photoelectric i3 Series Smoke Detector 2-WireSystem Sensor 2W-B Photoelectric i3 Series Smoke Detector 2-Wire
    SYSTEM SENSOR
    System Sensor 2W-B Photoelectric i3 Series Smoke Detector 2-Wire
    SKU: 2W-B
    Product DescriptionOptimize your fire safety measures with the System Sensor 2W-B Photoelectric i3 Series Smoke Detector. Featuring a 2-wire system, it is ideal for streamlined installation and efficient fire detection. Easy plug-in installation with a mounting base included. Intelligent drift compensation and smoothing algorithms...
    $69.39
    $69.39
  • System Sensor OSY2 Supervisory Switch 10 Amp ControlSystem Sensor OSY2 Supervisory Switch 10 Amp Control
    SYSTEM SENSOR
    System Sensor OSY2 Supervisory Switch 10 Amp Control
    SKU: OSY2
    Product DescriptionThe System Sensor Supervisory Switch OSY2, developed by Honeywell, is a critical component for monitoring gate valves in fire protection systems. Designed for precision and reliability, this switch ensures that the valve is properly monitored, maintaining the security and functionality of the system....
    $236.89
    $236.89
  • System Sensor 5601P Fixed Temp/Rate-of-Rise Heat Detector Single-Circuit MechanicalSystem Sensor 5601P Fixed Temp/Rate-of-Rise Heat Detector Single-Circuit Mechanical
    SYSTEM SENSOR
    System Sensor 5601P Fixed Temp/Rate-of-Rise Heat Detector Single-Circuit Mechanical
    SKU: 5601P
    Product DescriptionIntroducing the System Sensor 5601P, a mechanical heat detector designed for both commercial and residential environments. This device provides reliable detection at 135 degrees Fahrenheit with both fixed temperature and rate-of-rise functionalities. It is a single-circuit model that offers clear visual indicators for...
    $30.34
    $30.34
  • System Sensor EPS401 Pressure Switch 10 to 100 PSI
    SYSTEM SENSOR
    System Sensor EPS401 Pressure Switch 10 to 100 PSI
    SKU: EPS401
    Product DescriptionThe System Sensor EPS401 is a pressure switch designed to monitor and control water pressure. It is suitable for various applications requiring reliable monitoring of system pressure. This model features a single SPDT (Single Pole Double Throw) switch. Factory set for nominal 40...
    $235.32
    $235.32
  • System Sensor DST1.5 Metal Sampling Tube for HVAC Duct Smoke DetectionSystem Sensor DST1.5 Metal Sampling Tube for HVAC Duct Smoke Detection
    SYSTEM SENSOR
    System Sensor DST1.5 Metal Sampling Tube for HVAC Duct Smoke Detection
    SKU: DST1.5
    Product Description The System Sensor DST1.5 Metal Sampling Tube offers reliable smoke detection for HVAC systems, ensuring safety and compliance with fire safety standards. This robust metal tube is designed specifically for use with conventional and intelligent duct smoke detectors. Engineered for durability and...
    $21.99
    $21.99
  • System Sensor LENS-B SpectrAlert Advance for Indoor or Outdoor Wall Mount Strobes, BlueSystem Sensor LENS-B SpectrAlert Advance for Indoor or Outdoor Wall Mount Strobes, Blue
    SYSTEM SENSOR
    System Sensor LENS-B SpectrAlert Advance for Indoor or Outdoor Wall Mount Strobes, Blue
    SKU: LENS-B
    Product DescriptionThe System Sensor LENS-B is designed to enhance wall mount strobe devices in both indoor and outdoor settings. This blue lens is compatible with SpectrAlert Advance strobe devices, providing a reliable visual alert system in various environments. Simple installation on any compatible strobe...
    $21.99
    $21.99
  • System Sensor ETX Exhaust Tube 1 Foot for HVAC Duct Smoke Detection
    SYSTEM SENSOR
    System Sensor ETX Exhaust Tube 1 Foot for HVAC Duct Smoke Detection
    SKU: ETX
    Product DescriptionThe System Sensor ETX is a robust exhaust tube designed for HVAC duct smoke detection systems, ensuring secure connectivity and monitoring. This 1-foot metal tube enhances the implementation of smoke detectors by facilitating efficient air sampling and exhaust. Optimized for easy installation and...
    $21.99
    $21.99
  • System Sensor P48-21-00 Gas Detector Test Cap/Hose Red Metal Sampling TubeSystem Sensor P48-21-00 Gas Detector Test Cap/Hose Red Metal Sampling Tube
    SYSTEM SENSOR
    System Sensor P48-21-00 Gas Detector Test Cap/Hose Red Metal Sampling Tube
    SKU: P48-21-00
    Product DescriptionThe System Sensor P48-21-00 End Cap is a crucial component designed for metal sampling tubes in gas detection systems. Manufactured by System Sensor, this red end cap ensures a secure seal to prevent gas leaks and maintain system integrity. Ensures airtight seal for...
    $21.99
    $21.99
  • System Sensor D4P120 Power Board for Smoke Detectors
    SYSTEM SENSOR
    System Sensor D4P120 Power Board for Smoke Detectors
    SKU: D4P120
    Product DescriptionThe System Sensor D4P120 is a 4-wire photoelectric power board designed specifically for compatibility with the InnovairFlex D4120 duct smoke detectors. This power board is essential for providing power and facilitating communication between interconnected smoke detectors. Streamlined low-profile design suitable for a variety...
    $136.93
    $136.93

About System Sensor

​Formed in 1984 to focus on the fire alarm systems market, today System Sensor is one of the largest manufacturers of fire detection and notification products in the world. A specialist in smoke detection technology, we place a high premium on research and development. The result is a line of products that are reliable, sophisticated and designed for real-world applications. System Sensor is a global company with local expertise. Our commitment is to serve the needs of the growing worldwide fire alarm market. It is a commitment we back with sales, service and manufacturing sites located close to our customers. We know the importance of understanding local markets and fire codes. Whether needed in China, Chile, Korea, or California – in schools, homes, factories or telecommunications facilities – System Sensor products provide world-class fire and smoke detection.

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