Qolsys Flood Sensor Batteries

Find the image of your flood sensor below to view instructions on how to complete your battery replacement.

Qolsys QS5536-840 IQ FLOOD Encrypted Water Sensor:

Press end button to remove the cover, then remove and replace 2 CR2032 Lithium batteries.

Interlogix 60-744-95R / NetworX NX-695 Water Sensor:

Press the end button to remove the cover, then remove and replace 2 AAA Alkaline batteries.

Interlogix / Ecolink TX-E611 Flood Freeze Sensor:

Remove from the mounting bracket and backplate as shown below, then remove and replace CR2450 3-Volt Lithium battery.