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Need replacement parts for this unit?
Helps you to quickly replace First Alert® or BRK® wire-in smoke alarms. The KA-B2 can only be used when replacing the following models that have a plug in connector and are manufactured before June 1, 2003: First Alert® models: SA4121B BRK® models: 4120, 4919, 5919, 86RAC.
The KA-B2 adapter can be used on all AC/DC Kidde smoke and combination alarms.
Each adapter includes a 5 year limited warranty.
This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.
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