Maintenance Guides / Safety & Electrical

Test passive water alarm battery

Difficulty: easyTime: 15 minsEst. Cost: $5 - $15

Why it matters

Passive alarms have battery that dies silently; dead battery = no leak warning.

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How to do it

  • 1

    Walk to each passive water alarm in home.

  • 2

    Locate test button on device.

  • 3

    Press and hold test button 3 seconds.

  • 4

    Replace battery (AA or AAA) if no chirp.

  • 5

    Retest to confirm new battery works.