Low Battery: Freeze Sensor

If a Flood Sensor reports a low battery, we recommend replacing it as soon as possible (although you will typically have a few weeks before completely drained).   The Freeze Sensor takes 1 3.5 VDC 1/2 Lithium Battery and the typical battery life for the sensor is 3-5 years.

  • To open the sensor, press in on the plastic above the protrusion on one of the two short ends to open the cover and reveal the battery.
  • Replace the 3.5 VDC 1/2 Lithium Battery from the inside compartment.
  • Replace the cover back on the face of the sensor.

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