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Accessories
CO Detector Modules and Replacement Parts
The i4 combination detectors need a matching interface module: the COSMOD2W for COSMO-2W detectors on 2-wire circuits (it also supports 2WTA-B sounder smoke detectors) and the COSMOD4W for COSMO4W detectors on 4-wire circuits. Each module separates smoke, CO, and maintenance conditions into distinct panel signals and provides the trigger inputs and contact outputs a conventional panel uses to annunciate them.
Because electrochemical CO cells age out, the CO-REPL cartridge restores a detector to full service at end of life with a tool-free swap, and the CO-PLATE, sold singly or in a 5-pack, covers the larger ceiling footprint left behind when an older detector is replaced.
The detectors themselves are under CO/smoke detectors. Browse the full System Sensor catalog, or contact our team for module wiring and compatibility questions.
