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    Winland WBTX Wireless WaterBug Water Sensor — Installation Instructions

    September 08, 2026 3 min read

    Installation instructions for the Winland Wireless WaterBug (WBTX-319 / WBTX-345) wireless water leak detector with remote probe.

    💾 Download Original PDF
    Full text manual (for reference)

    Installation instructions for the Winland Wireless WaterBug® (model WBTX-319 / WBTX-345) — a wireless water leak detector transmitter with remote probe, designed to work with a compatible alarm control panel.

    Overview

    The WBTX is a fully electronic wireless water detector. It is not a self-contained warning device — it must be paired with an alarm system to sound an alert. The transmitter mounts on a wall or other flat vertical surface, while the remote probe is placed wherever water leakage is most likely (near water heaters, washing machines, under sinks, sump pumps, etc.).

    Moisture bridging the two metallic contacts on the remote probe triggers an alarm condition. The alarm output stays active until the moisture bridge is broken. The unit is sensitive enough to detect true leaks but will not false-alarm from high humidity or condensation.

    Package Contents

    • 1 Transmitter (includes batteries)
    • 1 Surface probe with 6′ cable
    • 1 Quick Start Guide
    • 2 Mounting screws
    • 2 Adhesive strips

    Installation

    • Do not mount on metal or near large metal objects between the device and the control panel — test signal strength before or after installation.
    • Mount the transmitter as high as possible.
    • The probe (6′ cable) can be mounted to a wall or floor using the included mounting screws or adhesive strips.
    • Mounting the probe vertically on a wall lets it monitor rising water levels; mounting on the floor detects standing water.
    • Concrete can be semi-conductive. If experiencing false alarms, insulate any probes mounted on concrete.

    Programming

    1. Enable programming mode on the receiving panel/module.
    2. Open and close the transmitter case to "tamper" the device, which triggers enrollment.
    3. Customize the name and settings as desired and select "ADD".

    Testing

    To test operation, form a water bridge between the two metallic contact points on the probe using a moistened finger or cloth. A properly functioning WBTX will activate the connected warning device within about three seconds. The unit resets automatically once the probe dries and the water bridge is broken. Test weekly to ensure proper operation.

    Specifications

    Power Requirement 2 × CR2032 batteries (Panasonic CRT2032, Energizer CR2032, or Duracell DL2032); ~5-year battery life
    Wireless Signal Range 600 ft (200 m), open air
    Code Outputs Tamper, tamper restore, alarm, alarm restore, low battery
    Transmitter Frequency 319.5 MHz and 345 MHz
    Supervisory Keep-Alive Interval 70 minutes
    RF Peak Field Strength Typical 36000 µV/m at 3m
    Operating Temperature 32° to 122°F (0° to 50°C)
    Relative Humidity 5–95% non-condensing
    Storage Temperature -40° to 140°F (-40° to 60°C)
    Max Cable Length 72″
    Transmitter Dimensions 2.71″ H x 0.95″ W x 0.56″ D
    Probe Dimensions 0.7″ W x 1.77″ L x 0.38″ D
    Case Material ABS
    Warranty 1 Year Limited

    Warranty

    Winland Electronics warrants the product against defects in material and workmanship for one year from the date of purchase under normal use. Winland's obligation is limited to repair or replacement of parts confirmed defective at the factory. The warranty is void if the housing/cover is removed or the product is misused, modified, or connected to devices it is not intended for.

    Manufacturer

    Winland Electronics, Inc. — 1950 Excel Drive, Mankato, MN 56001. Tech support: (800) 635-4269, 8:00am–5:00pm Central Time, techsupport@winland.com, www.winland.com.