Guide for Reuse, Repair, Recycling, and Safe Disposal
for Alameda County, Contra Costa County, and the City of Palo Alto

System Sensors - St. Charles - 3825 Ohio Ave

Information is constantly changing! Call ahead to verify hours and availability.

System Sensors

3825 Ohio Ave, St. Charles, Illinois 60174
1-800-736-7672 ext. 1

Accepts “System Sensor” brand only. Requests payment of $3.00 for each detector to cover recycling costs. Call to receive a reference number and mail-in information.

Item Notes Method Destination
Smoke & Carbon Monoxide Alarms - Non-working Accepts own brands only for mail-back.
  • Free Drop-off
  • Safe Disposal
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