Spot a small drip before it becomes a big problem

Leaks and frozen pipes can cause serious damage to your home. The W1 Wi-Fi Water Leak and Freeze Detector notifies you swiftly if there’s a problem – by acting quickly, you can avoid potential costly repairs.

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Designed for your home

The detector can be easily placed in trouble spots wherever water could cause damage. So it’s ideal for bathrooms, loft and utility rooms, under sinks or around pipes – and you can use Amazon Alexa voice commands to check on it.

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Peace of mind, wherever you are

At home, you’ll receive an audible alert should any leaks or humidity issues be detected.  If you’re away, you’ll be notified swiftly on your smart device - or you can set it up for friends and family to be notified too.

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Simple to set up

Installation just takes a few minutes thanks to the quick-start step-by-step guide and Lyric app. The clear LED display will soon let you know it’s working.

Receive notifications, wherever you are

Whether you’re relaxing at home, working in the office, or enjoying a trip away, your detector will let you know if there’s a water leak or if the temperature and humidity conditions go above or below their set limits in your home. 

  • You’ll swiftly be notified on your smart device of any leak, freeze or humidity issue – all through the Honeywell Home app. If a leak is detected, the built-in 100dB siren will also sound so you can act fast.
  • Notifications can also be set up for friends and family should any issues be detected whilst you’re away.
  • For maximum coverage and ultimate peace of mind, multiple detectors can be linked throughout your home to monitor every trouble spot.

Set up couldn’t be simpler

Everything you need is all in one box – just connect it with your Wi-Fi and the Honeywell Home app and it´s ready to use. 

  • No complex guides or menus, no separate hubs or power cables.
  • The detector comes with a 1.2m fully sensing cable, enabling you to increase the detection area. You can even wrap it around pipes that are at risk of leaking. Additional cables can be added to cover areas of up to 150m. 
  • Your detector comes complete with three AA batteries, which last up to three years. You’ll even receive an alert when they need replacing.

Get Started with the Honeywell Home app

Easy to set up and use via the Honeywell Home app, your detector will keep you informed whether you’re home or away.

  • To get you started quickly, the Honeywell Home app guides you through the installation process step-by-step.
  • Compatible with Android and iOS, you’ll get notification messages on your smart device, giving you peace of mind wherever you are.
  • Link multiple smartphones and tablets to your detector.

Download the App:


Discover the Honeywell Home app

Customise your control with IFTTT

IFTTT is a free platform that helps you do more with all your apps and devices. Not only can you be notified of any leaks or freezing issues in your home via the audible alarm or notifications on your smart device – you can now create your own alert through the IFTTT app too.

Linked with other smart devices in your home, why not set up your Smart lighting to change colour when a leak or freeze is detected? When the lights turn blue, you know to take action.


Talk to Alexa at home

Use Amazon Echo’s cloud-based voice service, Alexa, at home. Simply speak to it, tell it you want to check the last recorded temperature, and it will tell you.

Designed to work in harmony with all your other smart technology, it’s yet another great way to keep you connected – and make your home smarter, now and in the future.

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How To Buy

Buying your W1 Wi-Fi Water Leak and Freeze Detector is quick and easy. Just choose from one of the options below.

Help and Support

If you need any assistance with your detector, our user guides and support articles will help answer your questions and provide more information.

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