Simplex 4001-9403 CPU Replacement Board for the 4001 (562-703) P2GRLED which offers the most versatile

which offers the most versatile and easy-to-use line of low-frequency sounders and strobes in the fire alarm industry

It's ideal when spot-type smoke detectors are difficult to install and maintain

Marked Alert (Replaces SPSCWL-CLR-ALERT)

Simplex 4098-9789 Sensor Base with connections for Remote LED Alarm Indicator or Unsupervised Relay

The System Sensor SBBSPRL L-Series Wall Surface Mount Back Box is a red back box designed for use with speakers and speaker strobes

Simplex 4001-9403 CPU Replacement Board for the 4001 (562-703) P2GRLED which offers the most versatileSimplex 4001 9403 is the Replacement Board for the Simplex 4001 9403 four zone, supervised conventional fire alarm control panel