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ZLINK Z-Wave Plus Water Leak and Freeze Detector Sensor with S2 and SmartStart - ZL-LD-100

ZLINK Z-Wave Plus Water Leak and Freeze Detector Sensor with S2 and SmartStart - ZL-LD-100

ZLINK LD-100 is a Z-Wave Plus certified device with S2 Security and SmartStart. LD-100 is a member of the ZLNK Z-Wave family and communicates with other Z-Wave certified devices in a control network. ZL-LD-100 is designed to detect and alert any water leaks in residential or commercial buildings. LD-100 features an audible alarm in addition to a wireless alert to your controller providing early notification of water leaks before major damage occurs.



  • Water sensing cable may be placed anywhere where there is a risk of a leak, horizontal (floor, attic) or vertical (wall, along pipes), providing 3D capability to sense the leak.
  • Senses as little as couple of drops of water (0.25ml – 0.5ml)
  • Provides hundreds of times more coverage vs. traditional single point sensors that only detect leaks in a very localized area.
  • Quickly senses water leaks (every 400msec with micro USB power supply, every 60 sec. with battery) before expensive damage occurs.
  • LD-100 reports local temperature once every 60 minutes on battery, when using micro USB power supply, it can be set using configuration parameter 3.
  • Built-in audible buzzer sounds when water is detected.
  • Includes 4-foot-long sensing cable that senses water on any part of the cable.
  • Water sensing cable extend-able up to 150 feet with available extensions.
  • Powered by 3 x AAA batteries (not included) or standard 5V micro USB power supply (not included).


  • If water is detected, unit will send a Z-Wave Notification command class type (Water Alarm V2 0x05), event type (Water Leak Detected V2 0x02)
  • Compatible with: Ezlo Atom, Ezlo Plug Hub, HomeSeer, SmartThings (device handler needed), Hubitat, and more!
  • Includes wall mounting plate
  • Meets IP44 splash proof rating (with battery operation)
  • Flexible and can be placed anywhere horizontally as well as vertically
  • Cable is reusable after leak is detected and cable dries
  • For indoor use only


Why Z-Wave Smart Water Control & Flood Prevention Technology?


There are numerous reasons to use Z-Wave smart water control, flood prevention, and detection devices for your smart home. If areas of flood or water damage go unnoticed, damage repair could cost you thousands of dollars. Using Z-Wave flood and freeze prevention technology, you can get instant, automatic notifications regarding leaks or water penetration. This way, you can immediately shut off water and work on repairing the effected area.

Shipping & Returns

Free US continental shipping for orders over $150; $5 for orders $99 or less. In most cases, any order received prior to 12:00 EST ships the same business day. Orders placed on a weekend or holiday will ship on the next business day. Shipping charges calculated at checkout.

No drop shipping - all stock warehoused in the USA so you won't be charged any import duties for shipments within the USA.

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  • fast delivery

    Free, Fast Shipping

    Free shipping in the USA for orders over $150. Or $5 for orders $99 and under.

  • 1 Year Warranty

    All new items, including open box, covered by 1 year warranty.

  • returns

    Hassle-Free Returns

    Returns within policy accepted up to 30 days after purchase.