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DSC WS4933 Wireless Carbon Monoxide Detector


DSC WS4933 Wireless CO Detector

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Designed to provide reliable carbon monoxide detection, the DSC WS4933 Wireless CO Detector is a low profile Wireless Carbon Monoxide Detector that is ideal for difficult-to-wire residential or commercial applications. Compatible with PowerSeries and Impassa control panels from DSC, the Wireless Carbon Monoxide Detector features a built-in 85dB sounder, electro-chemical sensing technology, a Hush feature to prevent false alarms, and automatic low sensitivity supervision

Easy Installation

The Wireless Carbon Monoxide Detector is ideal for residential or commercial applications where running wire to a CO detector is either difficult or impossible. With no wires to run, installers are able to save time and move more quickly through the installation process. All it requires for installation is a screwdriver and any compatible DSC control panel.

False Alarm Reduction

DSC is committed to reducing false alarms and has integrated a number of features into the Wireless Carbon Monoxide Detector to provide reliable detection. One important feature is the Hush button. When the detector goes into alarm, the end user can press the Hush button to silence the detector’s sounder for 5 minutes, and delay the communication of the alarm to the monitoring station. After 5 minutes have passed, if CO is still present, the detector will go into alarm again. This allows the homeowner to take action during a false alarm situation to avoid costly penalty charges.

Colorless, tasteless, odorless but deadly, carbon monoxide (CO) is impossible to detect without a warning device. The WS4933 provides frontline protection against the silent threat of carbon monoxide poisoning.


  • IMPASSA Self-Contained 2-Way Wireless Security System
  • ALEXOR 2-Way Wireless Security System
  • PowerSeries V4.5 with RF5132 V5.1 , RFK55XX V1.2 , or TR5164-433
  • WS4920 Wireless Repeater
Main Features
    • Electro-chemical sensing technology
    • Built-in 85dB sounder
    • Local test button
    • Slim-line design
    • Built-in 85dB alarm at 10 ft (3 m)
    • Malfunction supervision
    • Low sensitivity supervision
    • Electrochemical sensing technology
    • Transmits RF status, low battery and tamper condition
    • Hush feature
    • Wall tamper with anti-tamper lock feature
    • 4-5 year battery life
    • Onboard LED indicator
    • End-of-Life (EOL) indication (5 year)
    • Low battery supervision
    • Compatible with IMPASSA and PowerSeries v4.5 & higher
    • CSFM Listing
    • UL CO Detector Listing

DSC WS4933 Wireless CO Detector Installation Manual

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