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Jump to key moments of How to Replace First Alert Model SC9120B
2:16
From 00:01
Introduction and Model Number
How to open the battery case on a First Alert Smoke and Carbon Monoxide Al
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YouTube
Jelani “TheSavorings” Wood
4:25
From 00:56
Separating the First Alert Mountingplate
How to Install Hard Wired Smoke Detector - Easy Installation First Alert
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Introduction to First Alert BRK SC9120B
Review of First Alert BRK SC9120B Hardwire Combination Smoke and Car
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Daniel Vince
2:28
From 00:24
Yearly Battery Change
Change Smoke Alarm Battery. First Alert 9120B
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Because Stuff Breaks with Justin Peters
5:02
From 00:53
Preparing for Replacement
Replacing a First Alert Smoke Detector
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PatriotMarine
3:06
From 02:30
Replacing the Battery
How to replace battery in First Alert Smoke Detector
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Jonathan Collegio
1:09
From 00:52
How to Change the Battery
Locked Battery First Alert Alarm Battery Change for SC9120b
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4:07
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Introduction and Problem Description
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Separating the First Alert Mounting Plate
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