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System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VACVendor SYSTEM SENSORSKU: D4120WProduct 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....
- $186.50
- $186.50
$311.63- Unit price
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System Sensor RTS151KEY Key Remote Test and Reset Station for Duct Smoke DetectorVendor SYSTEM SENSORSKU: RTS151KEYProduct 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...
- $68.08
- $68.08
$96.67- Unit price
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System Sensor RTS2 Multi-Signaling Accessory 20-29VDC InnovairFlexVendor SYSTEM SENSORSKU: RTS2Product 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- Unit price
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System Sensor DST3 Metal Sampling Tube DNRE D2E 2 to 4 FeetVendor SYSTEM SENSORSKU: DST3Product 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
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System Sensor RTS2-AOS Multi-Signaling Module With Strobe InnovairFlex Conventional 4-Wire Duct Smoke DetectorsVendor SYSTEM SENSORSKU: RTS2-AOSProduct 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...
- $177.73
- $177.73
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System Sensor D4S InnovairFlex 4-Wire Photoelectric Duct Smoke DetectorVendor SYSTEM SENSORSKU: D4SProduct 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...
- $137.32
- $137.32
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System Sensor AOS Add-On Strobe AccessoryVendor SYSTEM SENSORSKU: AOSProduct 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- Unit price
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System Sensor APA151 Remote Annunciator with Piezo Alarm 24V DCVendor SYSTEM SENSORSKU: APA151Product 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- Unit price
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System Sensor RTS151 Remote Test Station + Honeywell + InnovativeFireDetectorVendor SYSTEM SENSORSKU: RTS151Product 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...
- $49.05
- $49.05
$66.69- Unit price
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System Sensor DST1.5 Metal Sampling Tube for D4120 Duct Smoke Detectors - 1-foot to 2-footVendor SYSTEM SENSORSKU: DST1.5Product 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
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System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLPVendor SYSTEM SENSORSKU: D4120Product 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- Unit price
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System Sensor OSY2 Supervisory Switch 10 Amp ControlVendor SYSTEM SENSORSKU: OSY2Product 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....
- $220.11
- $220.11
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System Sensor B210LP Detector Base 6 Inch Standard Addressable Plug-in 2 Wire Ivory FLANGEDVendor SYSTEM SENSORSKU: B210LPProduct DescriptionThe System Sensor B210LP is a highly functional detector base designed for use in various safety applications. Integrating easily with a range of System Sensor detectors, this base is essential for assembling a reliable fire safety system. Addressable plug-in design simplifies installation and...
- $22.08
- $22.08
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System Sensor SPSWK-P Speaker Strobe Standard-Candela Outdoor Wall Mount with BackboxVendor SYSTEM SENSORSKU: SPSWK-PProduct DescriptionThe System Sensor SPSWK-P is a speaker strobe designed for outdoor use. It provides both audio and visual notifications, making it suitable for various environments. With features like a durable design and high-efficiency sound output, this device is built to perform even in...
- $167.23
- $167.23
- Unit price
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System Sensor EPS401 Pressure Switch 10 to 100 PSIVendor SYSTEM SENSORSKU: EPS401Product 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...
- $218.73
- $218.73
- Unit price
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System Sensor D2 2-Wire Photoelectric Duct Smoke DetectorVendor SYSTEM SENSORSKU: D2Product DescriptionSystem Sensor D2 2-Wire Photoelectric Duct Smoke Detector is designed to provide early warning of smoke in air handling systems. Its photoelectric sensing chamber ensures reliable detection. Ideal for commercial and industrial applications, it offers easy installation and maintenance. Photoelectric sensing chamber Two-wire...
- $225.90
- $225.90
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System Sensor DST1.5 Metal Sampling Tube for HVAC Duct Smoke DetectionVendor SYSTEM SENSORSKU: DST1.5Product 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
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System Sensor B114LP Smoke Detector Base 120V AC 4-Wire Low-Profile IvoryVendor SYSTEM SENSORSKU: B114LPProduct DescriptionThe System Sensor B114LP is a feature-rich smoke detector base, designed for simple installation and immediate integration with 120V AC power systems and 4-wire connectivity. It is ideal for enhancing safety in commercial and industrial spaces. Low-profile design ensures minimal visual impact. Compatible...
- $115.57
- $115.57
- Unit price
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System Sensor ST-3 Sampling Tube 3 Feet MetalVendor SYSTEM SENSORSKU: ST-3Product DescriptionThe System Sensor ST-3 is a robust metal sampling tube designed for use in fire detection systems, especially in duct environments. Engineered by Honeywell International, this product ensures optimal performance in detecting the presence of smoke and other particles in air flows within...
- $26.97
- $26.97
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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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