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First Alert SCO5CN
Sealed-battery smoke + CO path in the First Alert family — not a Kidde hardwire interconnect unit.
Fitment facts
| Field | Value |
|---|---|
| Brand | First Alert |
| SKU | SCO5CN |
| Role | Smoke + CO alarm |
| Power | Sealed battery class (confirm listing) |
| Often confused with | SCO501CN, Kidde KN-COSM-IBA |
| Hard stop | Brand interconnect protocols are not assumed compatible |
| Confirm | Existing alarm brand + power type |
| Interval | Replace by date |
Hard stop
Brand interconnect protocols are not assumed compatible
Before you buy
- Hard stop: Brand interconnect protocols are not assumed compatible
- Confirm: Existing alarm brand + power type
- Often confused with: SCO501CN, Kidde KN-COSM-IBA
- Interval: Replace by date
- Match interconnect brand/protocol on the existing circuit.