STI STI-1221B ATT 04/11 Can be either surface or
$62.98
Description
Can be either surface or semi-flush mounted
eBay• Standard output SINGLE MODE fiber optic transceiver
System Sensor Model BEAM1224 is a four-wire conventional reflected beam smoke detector
NO BOARD - ONLY BOX
including the open/normal/short status of its Notification Appliance Circuit (NAC)
STI STI-1221B ATT 04/11 Can be either surface or
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