System Sensor B401B Plug-in Detector Base
$25.00
The System Sensor B401B is a two-wire plug-in detector base used in conventional 2-wire, 24VDC systems.
The model B401B detector base is compatible for use with a variety of plug-in detectors:
1151, 1151EIS, 2151, 2151T, 1451, 2451, JTY-GD-2451, 2451TH, 5451