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PRODUCT OVERVIEW GUIDE 

WIRELESS REMOTE WATER DETECTOR 

 ADD ON SENSOR WITH EARLY WARNING ALERTS  

Model:  D013.105.M3 

 

 

IMPORTANT: 

 

This document provides general product information and 
specifications. Please visit 

www.lacrossealerts.com

 for 

complete product set up and activation instructions. 

 

Login to your account at 

www.lacrossealerts.com

 and 

choose model 

TX71U-IT

 on the website to begin the set up 

process with step-by-step instructions. Enter the key from the 

ACTIVATION KEY CARD

 (included in the package) when 

prompted by the website. 

 

Need help? Visit: 

www.lacrossetechnology.com/support/alerts 

 
 

GENERAL USE AND APPLICATIONS 

 
Use your smartphone, tablet or computer to monitor for water 
leaks that could lead to frozen pipes and mold growth.* Water 
damage can originate in almost any room: frozen pipes, broken 
pipes, broken dishwasher hose or leakage, washing machine 
overflow, leaking roof, basement leaks, foundation cracks, 
plumbing leaks, sump pump overflow and leaks from bad 
weather such as snow, rain or floods.* The good news is that 
water damage is a costly problem that you can prevent: Simply 
connect the gateway to your network router to enable remote 
monitoring with text and e-mail alerts from anywhere with 
Internet access.* 
 
Wall-mount the water detector, or use tabletop bracket/stand, 
and place the H2O sensor on the floor to monitor the area for 
water.* Alerts are sent if water is detected, if the batteries are 
low or if the connection is lost.* 

 

 

MONITORING OPTIONS 

 

Home, second home, office or rental property 

 

Kitchens, baths, laundry & pool rooms 

 

Utility sinks, sumps & water heaters 

 

Basements, garages & attics 

 

Near aquariums & terrariums 

 

Greenhouses & farms 

 

PACKAGE CONTENTS 

 

HARDWARE CONTENTS

1.  Wireless remote water  

detector with mounting  
bracket (TX71U-IT)  

2.  H20 (water) sensor on 6 Ft. 

detachable cable (D000.105) 
that detects WET (H20) or DRY 
(DRY) conditions. 

3.  Screws and drywall anchors 

 

PRINTED MATERIALS CONTENTS: 
4. 

Printed Product Overview Guide (this document) 

IMPORTANT: Product set up and activation  
instructions are online: www.lacrossealerts.com

 

5. 

IMPORTANT: Activation Key Card

 

required for  

set up and activation. 

Do not throw away.

 

 

ADDITIONAL EQUIPMENT (NOT INCLUDED) 

 

  Two fresh AAA, IEC LR03, 1.5V Alkaline batteries 

  Two-sided tape as needed 

  Browser with high speed Internet 

  Network router 

  Existing La Crosse Alerts Internet Gateway with mounting 

bracket, AC adapter and LAN cable (sold separately) 

 

FEATURES AND MEASUREMENTS (Diagram 1) 

 

 

  
(A) Wireless Remote Water Detector:  

 

 

LCD displays water status: WET (H20) or DRY 

 

Transmits collected data to your Internet Gateway 
(not included) within a 200 Ft. wireless range. 

 

Weather resistant case (not water proof) 

Note: The case with LCD cannot get wet and may 
be affected by high humidity conditions. 

 

Wall hanging or free standing  

 
(B) H20 Water Sensor on 6 Ft. Detachable Cable:  

 

 

H20 sensor detects the presence or absence of water 

 

 **Attach it to the water detector case and place the 
sensor on the floor or other area you wish to monitor 
for WET/DRY conditions. 

 

**The official D000.105 H20 Sensor can be plugged 
into the sensor at any time without resetting. 

 

HOW IT WORKS 

 

 

The wireless sensor transmits data to the Internet 
Gateway (not included) within a 200 Ft. (60.96m) range.* 

 

The Internet Gateway (not included) connects to your 
existing network router and uses your high-speed Internet 
connection to upload collected measurements to your own 
account at 

www.lacrossealerts.com

.*  

 

Once the sensor is activated with the Internet Gateway 
(not included), you monitor sensor(s) from a smartphone, 
tablet or computer on 

www.lacrossealerts.com

, and set 

up custom e-mail/text alerts*.  

 

Add up to 5 sensors (sold separately) per Internet gateway 
(not included) to monitor additional areas. 
 

This socket is ONLY  
for the water sensor.  

DO NOT insert  
power plug into it.

 

**H2O sensor 
with 6-foot 
wire to plug 
into sensor 

LCD 

 

LED 

 
 

Button 

(B) 

(A) 

(1) 

(2) 

Summary of Contents for D013.105.M3

Page 1: ...ects WET H20 or DRY DRY conditions 3 Screws and drywall anchors PRINTED MATERIALS CONTENTS 4 Printed Product Overview Guide this document IMPORTANT Product set up and activation instructions are online www lacrossealerts com 5 IMPORTANT Activation Key Card required for set up and activation Do not throw away ADDITIONAL EQUIPMENT NOT INCLUDED Two fresh AAA IEC LR03 1 5V Alkaline batteries Two sided...

Page 2: ...t cable is not for use in a pool or hot tub where chemicals may cause malfunction Select a location within range of the Internet Gateway see IMPORTANT SETUP OPERATION NOTES CONFIRM CONNECTION BEFORE MOUNTING IMPORTANT Before permanently mounting Test sensor in the desired mounting location for at least 1 hour to confirm good reception Confirm consistent readings on your account at www lacrossealer...

Page 3: ...La Crosse Technology Ltd provides a 1 year limited warranty on this product against manufacturing defects in materials and workmanship This limited warranty begins on the original date of purchase is valid only on products purchased and used in North America and only to the original purchaser of this product To receive warranty service the purchaser must contact La Crosse Technology Ltd for proble...

Page 4: ... may charge users for alert services Standard messaging and data rates apply and will be billed to the customer s wireless account Customers may be unable to receive text messaging or data service in some areas due to unavailability of service 2 La Crosse shall not be liable for accuracy usefulness or availability of data transmitted via the service Users are solely responsible for damages to pers...

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