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) $695.00 Quick View System Sensor Hardwired Heat Detector (w/135°F Fixed Temperature) $110.00 Quick View UL 217 - Smoke & Carbon Monoxide SCO 500B $75.00 Low Stock Quick View UL 217 -Smoke Detector Master SA 521 $65.00 On Backorder Quick View Roving Watch Mate with Harness (BGWS-H8) $650.00
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