Blue Guard Innovations › UL 217 -Smoke Detector SA 511 Image 1 of 1 UL 217 -Smoke Detector SA 511 $65.00 On Backorder -First Alert/BRK SA511 - Fire OnlyReplace your current smoke alarms with these. Maximum of 11 SA511 smoke alarms can be connected to a SA520/SA521. On Backorder Added! -First Alert/BRK SA511 - Fire OnlyReplace your current smoke alarms with these. Maximum of 11 SA511 smoke alarms can be connected to a SA520/SA521. SA511 User Manual You Might Also Like Quick View Alarm Watch Mate (BGWS-K9) $350.00 Quick View Honeywell System Sensor Hardwired Heat Detector (w/135°F Fixed Temperature) $55.00 Quick View UL 217 -Smoke Detector Master SA 521 $65.00 On Backorder Quick View Roving Watch Mate with Harness (BGWS-H8) $450.00 Quick View Roving Watch Mate (BGWS-K8) $350.00
