Water alarms

Place water alarms around your home to know when potential water issues are detected.

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Who should take action

What it is

A water alarm, also known as a leak detector, uses sensors to detect unwanted water in your home.

These alarms provide an early warning when water is detected, such as a sound alarm, digital message, or a visual indicator. An alarm can be triggered by:

When a leak is detected, some smart models can be programmed to:

Remember that a water alarm can't identify the underlying issue. You'll need to check what set off the alarm and take steps to fix the root cause, whether it's repairing a burst pipe or clearing a clog to stop an overflowing drain. Alarms should not replace your regular home inspection for leaks and other potential water issues.

Benefits

What you'll need

What's involved

Water alarms are easily installed by following the instructions provided with the device.

Consider purchasing multiple water alarms for your home, especially if your home's plumbing fixtures are spread across a large space or multiple floors.

Place the devices in areas where water damage could occur, such as:

When to do it

Monitor your alarms. They can issue false alarms, and fail due to age or lack of power.

Be flood ready

Flood readiness requires regular upkeep just like any other home or property maintenance task. Add water alarm maintenance to your annual task checklist.

Seek support from a local professional, friend, family or neighbour if you're unable to complete this task on your own.

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2026-03-23