Description
The Kidde 20SAR-VRF is a hardwired smoke alarm designed to provide residential smoke detection while supporting both traditional wired interconnection and Kidde Wire-Free Interconnect technology. This hybrid communication capability allows compatible hardwired and wireless Kidde alarms to operate together, extending whole-home notification into areas where interconnect wiring may not be present. When one compatible alarm activates, all interconnected alarms sound.
The alarm utilizes photoelectric smoke sensing technology and enhanced detection algorithms designed to improve smoke detection performance while helping reduce nuisance alarms commonly associated with cooking activities. Voice alerts provide clear identification of alarm conditions, while self-testing diagnostics continuously monitor internal electronics to help verify proper operation.
Powered by 120 VAC household power with two replaceable AA backup batteries, the 20SAR-VRF maintains protection during power interruptions. Additional features include event memory, HUSH™ nuisance alarm silencing, end-of-life notification, and a quick-connect wiring harness for simplified installation and replacement.








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