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Maintenance
Smoke Detector Maintenance
  • It is extremely important to regularly test and clean all detectors.
  • Replace the batteries in battery-operated units once a year or in accordance with the manufacturer's recommendations.
  • Teach everyone in your house to leave working batteries in smoke detectors and not to use them elsewhere.
  • They should not be painted.
  • To test and clean a detector, follow the manufacturer's instructions.
  • Cobwebs and dust can impair a detector's sensitivity; most units should be vacuumed at least once a year.