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  • Ecolink Z-Wave Plus Flood/Freeze Sensor with Probe — Installation Instructions

    August 31, 2026 4 min read

    Installation, network inclusion/exclusion, and Z-Wave Plus technical reference for the Ecolink Flood/Freeze Sensor with Probe (FLF-ZWAVE5), Gen5.

    Full text manual (for reference)

    Installation instructions for the Ecolink Z-Wave Plus Flood/Freeze Sensor with Probe (FLF-ZWAVE5), which detects flooding and freezing conditions and reports a tamper condition when the case is opened.

    Product Specifications

    • For indoor use only
    • Operating frequency: 908.42 MHz
    • Operating temperature: 0°–49°C (32°–120°F ambient)
    • Operating humidity: 5–95% non-condensing
    • Battery: 3V Lithium CR123A (approx. 5-year life)

    Network Inclusion

    1. Verify your Z-Wave Plus controller is compatible with the Flood Freeze sensor.
    2. Mount or place the sensor as close as possible to its final location.
    3. Put your Z-Wave Plus Controller into add (inclusion) mode.
    4. The sensor automatically enters add/remove mode when powered on (battery inserted). If the LED blinks continuously, it wasn't added successfully — remove the battery for 10 seconds and retry.
    5. If the LED stops blinking within 5 seconds, check the controller's interface for add confirmation. If there's no confirmation, remove and retry — you may need additional Z-Wave listening devices between the controller and sensor if range is an issue.

    Network Exclusion

    1. Put your Z-Wave Plus Controller into exclusion mode (use only when the primary controller is missing or inoperable).
    2. Open the case and remove the battery for 1 second, then replace it — the controller should remove the device from the network.

    Key points: Controller inclusion/exclusion mode must be activated before starting the sensor's inclusion/exclusion. The sensor can only join one network at a time and must be excluded before joining another. The plastic pull tab must be removed to enable operation. The sensor auto-enters inclusion mode at power-up; exclusion follows the same procedure.

    LED Status

    State LED Behavior
    Device not included Light breathing (slow blink)
    Flood detected Single LED blink
    Freeze detected Single LED blink
    Case opened LED remains on while open

    Factory defaults reset on network exclusion.

    Testing

    • Test RF transmission from the mounted position by removing the cover (triggers a tamper signal).
    • Test flood/water detection by placing the probe in a cup of water.
    • Freezer testing may not work if the signal can't penetrate the appliance — a bag of ice placed over the sensor can be used instead (may take up to 30 minutes to register).

    Replacing the Battery

    1. Remove the top cover to reveal the battery (this triggers a tamper signal to lifeline nodes).
    2. Replace with a Panasonic CR123A battery, ensuring the + side faces as indicated on the device.
    3. Re-attach the cover — you should hear a click when it engages properly.

    A low-battery notification is sent to lifeline nodes automatically when the battery is running low.

    Installation

    Package contents: 1 Flood Sensor with Probe, 1 Sensor Mounting Bracket, 2 screws for the bracket, 1 adhesive tape for the bracket, 2 screws for the probe, 1 adhesive tape for the probe.

    1. Identify the location for the sensor: determine where the probe should go — wherever water is most likely to pool if a leak occurs. The sensor body must be mountable while the probe can still reach that location.
    2. Mount the sensor: attach to a clean, dry surface using the adhesive tape and/or screws provided.
    3. Mount the probe: attach the probe separately to a clean, dry surface at the pooling location.

    Notes: The sensor can slide onto the mounting bracket in two orientations — for a secure fit, ensure the bracket's tab engages the back of the sensor. Determine bracket orientation before attaching it to a surface. Adhesive tape may damage some surfaces.

    Z-Wave Plus Technical Details

    Generic Device Class GENERIC_TYPE_SENSOR_NOTIFICATION
    Specific Device Class SPECIFIC_TYPE_NOTIFICATION_SENSOR
    Manufacturer ID MFG_ID_ECOLINK (0x014A)
    Product Type / ID 0x05 / 0x0F

    Supported command classes: ZWAVEPLUS_INFO v2, VERSION v2, MANUFACTURER_SPECIFIC v2, DEVICE_RESET_LOCALLY v1, POWERLEVEL v1, BATTERY v1, NOTIFICATION v5, SENSOR_BINARY v2, ASSOCIATION v2, ASSOCIATION_GRP_INFO v1, WAKE_UP v2.

    Notification Events (Command Class Notification)

    Type Event Cause
    Water (0x05) Water Detected (0x02) Probe submerged
    Water (0x05) Water No Longer Detected (0x04) Probe no longer submerged
    Home Security (0x07) Tampering, Cover Removed (0x03) Case tampered
    Home Security (0x07) Event Inactive (0x00) Case restored to closed
    Power Management (0x08) Replace Battery Soon (0x0A) Battery getting low
    Power Management (0x08) Replace Battery Now (0x0B) Battery needs replacing

    Association & Wake-Up

    The sensor supports one Association group (Lifeline) with up to 5 nodes, receiving all flood/freeze, tamper, and low-battery notifications. It supports Network Wide Inclusion (auto-activated after a failed direct inclusion) and Wake-Up Notification, configurable between 1 hour and 1 week in 200-second steps — it also wakes on case-close to check for queued messages.

    Regulatory

    FCC ID: XQC-FLFZWAVE5. IC: 9863B-FLFZWAVE5. Complies with FCC Part 15 Class B and Industry Canada license-exempt RSS standards.

    Warranty

    1-year limited warranty against defects in materials and workmanship from date of purchase. Ecolink's sole obligation is product replacement at its discretion. Does not cover shipping/handling damage, misuse, or unauthorized modification. See discoverecolink.com/returns for the return policy.