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ÁÒ¾ÃéÍÁ°Ò¹ ÊÓËÃѺµÔ´µÑ駺¹½éÒ ÃØè¹ B801RA Model 882 is a 2-wire conventional photoelectronic smoke detector that use a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible panels only. UL listed
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