iPhone Screenshots


Guardian by Elexa is a standalone leak and flood detection/prevention system that installs with no tools or plumber. Guardian currently consists of two pieces of hardware–the Valve Controller and the Leak Detector.

The Valve Controller installs on top of your existing water main valve and can be used with any quarter-turn ball valve with a pipe diameter of ½” to 1-¼”. Each Leak Detector is battery powered and communicates wirelessly with the Valve Controller on a local 915 MHz RF network with a maximum range of 1000 ft. They can be placed near plumbing fixtures and appliances to monitor for water leaks.

The moment water is detected by any of your devices, the Valve Controller will shut off your water main and you are notified immediately!

App Features Include:
• Setup and control multiple Valve Controllers and Leak Detectors
• Organize your devices
• Event history
• Mobile notifications

Valve Controller Features Include:
• Simple DIY installation without tools or plumber
• Support for 50+ connected sensors
• No motor calibration needed
• Optional battery backup
• Leak detection w/ optional remote probe

Leak Detector Features Include:
• Water detection
• Temperature reporting
• Movement/tamper detection
• Optional remote probe
• Over 1000 ft. of wireless range


Are you still using the old "Guardian by Elexa" app? Consider migrating your system!

Visit this help article to learn more: https://getguardian.zendesk.com/hc/en-us/articles/360045265154

What’s New

Version 3.0.7

New in this update:
Bugfix - Device Details now checks commit and env for FW updates
New Feature - Provisioner now checks commit and env for FW updates
Bugfix - Incorrect color for closed valve shown in device list card. Now shows "red"
Bugfix - Severity ranges for events set improperly. Updated to match expected values.
QOL - Text reviewed for grammar, spelling, and general linguistic improvements. Work in progress.

Ratings and Reviews

3.4 out of 5
9 Ratings

9 Ratings

Techie 99 ,

Good customer support

I also had problems updating to the new firmware. The team worked with me to resolve. They responded fairly quick to emails providing me with solutions. When none worked they phoned me and stepped me through the procedures until got firmware downloaded and my controller working again.

NoMoreGuardian ,

New software

I have been a longtime Guardian system user. I want to say how impressed I am with the new software. Adding new devices was simple and fast. Connecting to my valve controller was flawless. I had written a bad review in the past, but now I must say this system works very well. Good Job!

ustsgdjsysb ,

Guardians new app

I have been a Guardian customer from the beginning. I have had some issues with their previous apps but I can say I am VERY impressed with their team and support. I am even MORE impressed with this latest version of the app. Great job to the entire Guardian team!

App Privacy

The developer, Elexa Consumer Products Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Contact Info
  • User Content
  • Identifiers
  • Usage Data
  • Other Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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