Compatible Firex Models - For replacing Firex FADC, ADC, AD, 120-1182, 120-107, 120-105, 120-538. Ideal for retrofitting homes wired in the 1980s to early 2000s.
Seamless Retrofit Solution - Bridges legacy Firex wiring to modern Kidde alarms. No need to replace existing wiring, just plug in and go for a quick upgrade.
Quick, Tool-Free Installation - Plugs into existing Firex harnesses for fast setup. No tools required. Makes alarm upgrades easier while staying code compliant.
Important Compatibility Note - Not for Firex alarms over 20 years old or Kidde Detect Series. Requires center alignment tab.
