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System Sensor Cosmo4W Combo CO and Smoke 4 Wire








COSMO-4W Combination Carbon Monoxide/Smoke Detector
12/24 Volt, 4 Wire, System Connected




  • Single device for CO and smoke detection that uses less wiring and fewer junction boxes
  • Compatible with a wide range of control panels with the use of the required i4 Interface Module.
  • Sends distinct smoke and CO signals to the panel
  • Sounds Temporal 3 for smoke and Temporal 4 for CO
  • Built-in 85dB sounder
  • LEDs display both CO and smoke status
  • External IR LED provides extended range sensitivity testing
  • Versatile mounting allows for wall or ceiling placement
  • Easily replaceable electrochemical CO cell with 6-year end-of-lifetimer that signals the panel and chirps to alert the homeowner
  • RealTest
  • Enables functional test using canned CO
  • Drift compensation and smoothing algorithms provide false alarm immunity
  • Compatible with SENS-RDR sensitivity tester



Sounder: 85dBA
Operating Voltage: 12/24 VDC
Operating Temp: 32-122 F
Weight: 9.2 oz.
Dimensions: 5.5 inches, Depth 2.5  ( including base )

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  • Model: System Sensor Cosmo4W
  • 0 Units in Stock
  • Manufactured by: System Sensor

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