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Fire System Modules

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D125 Dual Loop Interface NOS

D125 Dual Loop Interface NOS

$39.99

Out of stock

D125 Dual Loop interface for two wire smoke detectors or loop powered glass breakage detectors.   Also know as…

D125B dual initiating module NOS

D125B dual initiating module NOS

$34.99

D125B dual initiating module for fire zones on Radionics panels.   This module powers two wire smoke detectors…

D125B loop powered interface

D125B loop powered interface

$19.99

Provides Fire Zones for Radionics panels with 1K ohm zone inputs.  EOL resistors and screws included. Tested w…

D129 Class A fire loop interface NOS

D129 Class A fire loop interface NOS

$59.99

Provides Class A fire loop to Radionics/Bosch Control Panels.  Build in adjustable delay (retard) for automatic spr…

D192 Bell Supervision Module NOS

D192 Bell Supervision Module NOS

$79.99

New  D192 is used for supervised remote alarm indicating devices. The wiring is supervised for open, short or gr…

D192A Bell Supervision Module

D192A Bell Supervision Module

$69.99

Out of stock

D192A bell supervision module.  Includes instructions, end of line resistor and screws. One year warranty. &nbs…

D192C Bell Supervision Module

D192C Bell Supervision Module

$59.99

The D192C is used for supervised remote alarm indicating devices. The wiring is supervised for open, short or grounded b…

D192C Bell Supervision Module

D192C Bell Supervision Module

$44.99

Tested D192C bell supervision module.  Ideal for replacement use.  This item consists of the board and resi…

D192D Bell Supervision Module

D192D Bell Supervision Module

$59.99

NOS D192D Bell supervision module. 

D192D Bell Supervision Module Refurbished

D192D Bell Supervision Module Refurbished

$39.99

Refurbished D192D Bell supervision module. Complete with mounting screws, resistor and install instructions  …

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