Kidde 21028270 KA-F2 Quick Convert Adapter, AC Plug-In Adapter for Retro Fit from Firex to Kidde (Previous Model KA-F)

Quick Convert Adapter for seamless smoke alarm replacement. Enables installation of a new alarm onto existing competitive wiring harnesses, perfect for upgrading from specified models to compatible units. Designed specifically for FADC, ADC, and AD models with tested interconnect compatibility across a wide range of alarm systems. Dimensions: 4.5" x 1" x 5.5" | Weight: 0.8 oz Works with all AC/DC smoke and combination alarms. Includes 5-year limited warranty. Simplifies retrofit installations and allows approved brands to interconnect with compatible products.