Can I use System Sensor i3 series conventional detectors on the Kidde FX-5 IDC zones?

KiddeFX-5Mar 19, 2026
0

I couldn't find the System Sensor i3 series listed as compatible with the FX-5 conventional panel IDCs. The specific compatibility list for the FX-5 (P/N 3101019-EN) includes various Edwards, ESL, and Mirtone models, but does not list the i3 series (Page 1-2) [3].

While i3 models such as the 2WB and 2WT-B are compatible with addressable system modules like the FX-2WIRE, they are not listed for use on the FX-5's on-board conventional zones (Page 3) [1].

General knowledge & industry resources
AI-generated — verify against your panel's documentation and applicable codes (NFPA 72, local AHJ).

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