Simplex 4100-2300 Expansion Bay Hardware4100ES Audio Systems provide voice communication, alarm tones, and or digitally prerecorded voice messages to alert occupants of fire or other emergency situations. Evacuation signaling may be automatically generated via alarm initiated event programs or by firefighting personnel using the operator controls.

— 4905-9938 SmartSync Control Module

Simplex 4905-9997 S/V Cover

The Simplex 4098-9751 in-duct sensor housing with relay installs a 4098-9714 TrueAlarm analog photoelectric sensor directly in HVAC duct airflow for applications where sampling-tube duct detectors are not appropriate

Basic Analog Audio Operation with microphone

— 4098-9788 2-Wire Base

The Simplex 2975-9022 is a cast aluminum Red Surface Mount Box for use with Simplex Manual Stations

16 LED/8 Switch Assembly for 4100 Series FACPs

Discontinued and replaced with 4906-9153

The EVS-VCM is designed for use with the IntelliKnight 5820XL-EVS

Includes a special cover with a built-in tamper magnet

The Silent Knight 6700 Replacement Board (Refurbished) is the main control board for the 6700 intelligent addressable fire alarm control panel

TrueAlarm addressable CO sensor bases contain a carbon monoxide (CO) sensing module providing both CO toxic gas monitoring and enhanced fire detection