Residential Smart Water Sensors

Catch Leaks Early Before They Turn Into Costly Home Damage

A small leak can quickly become damaged floors, ruined drywall, mould, and a major insurance headache. Grand Alarms smart water sensors help detect water early, send instant alerts to your phone, and can trigger automatic water shut-off to help protect your home before the damage spreads.

Smart Water Protection Built for the Way Homes Actually Leak

Not every water issue starts in the same place. That’s why our residential water protection lineup includes different devices for different risk points throughout the home.

A low-profile leak detector built for tight spaces where water tends to collect first. It can trigger instant alerts and provide on-device audible and visual warnings when moisture is detected.

A smart flood sensor with a remote probe designed for problem spots like under sinks, behind appliances, and around water heaters, where early detection matters most.

A motorized shut-off device that works with your system to automatically close the main water supply when a leak is detected, helping stop the problem before it spreads.

Know the Moment Water Shows Up Where It Shouldn’t

The faster you know about a leak, the faster you can limit the damage. Get real-time notifications sent straight to your phone the second moisture is detected.
Grand Alarms app push alert showing “Water Detected” and water shut-off activated for a business location.

Get mobile alerts as soon as a leak is detected.

Three business roles checking mobile alerts, showing water leak notifications sent to manager, maintenance, and owner at the same time.

Send notifications to more than one person, including your spouse, partner, or a trusted family member.

Grand Alarms app activity history showing water valve opened and closed events with timestamps for accountability.

Review past alerts and activity inside the system so you always know what happened and when.

App Visibility

See Every Protected Water Zone in One Simple App

From the basement to the laundry room, you can monitor your home’s key leak areas from one place. It’s a simple way to keep tabs on the spaces most likely to cause expensive water damage.
Mobile dashboard showing water valve status, usage, and water events for monitoring multiple leak zones across residential locations.

Smart Automation

Set It Once and Let Your System React Faster Than You Can

Smart automation helps your home respond the moment a leak is detected. That means less delay, less guesswork, and less chance of water sitting unnoticed while damage spreads
Grand Alarms app rules screen showing a water automation that closes the water valve when a water sensor detects a leak.

Placement Zones

Put Protection Exactly Where Leaks Love to Start

Residential leaks usually start in the same few places, and they are rarely convenient. Smart water sensors help cover the high-risk areas homeowners worry about most.

Under kitchen sinks

Under bathroom sinks

Near water heaters

Behind washing machines

Near dishwashers

Behind fridges with water lines

In basements

In utility rooms

 Near sump pumps

Leak Containment

Finding the Leak Is Good. Stopping the Water Is Better

An alert helps you react. Automatic shut-off helps stop the problem at the source. Pairing leak detection with a smart shut-off valve gives your home a much stronger line of defence against serious water damage.

Automatic Shut-Off

When a Leak Is Detected, Your Water Can Shut Off Automatically

The Smart Water Shut-off Valve can close your main water supply when connected leak sensors are triggered. That can make the difference between a small cleanup and a fullscale repair bill.

Tight Spaces and Freeze Risk

Protect the Hidden Corners of Your Home Too

Some of the worst water damage starts in the places you do not check every day. The Smart Water Tile is designed for tight spaces and can also help monitor for freeze-risk conditions in vulnerable areas.
Smart Water Tile leak sensor with frost and water droplets, designed to detect leaks and freeze-risk in tight utility spaces.

In-Home Warning Signals

Not Home Alone. Your Sensors Can Sound the Alarm Too.

Mobile alerts are useful, but on-device warnings matter too. The Smart Water Tile can sound an audible alert and flash a visible LED, helping someone at home notice the
issue right away.

Insurance and Prevention

A Smarter Way to Show You Took Water Damage Prevention Seriously

Water damage claims can get expensive fast. Residential leak detection and automatic shut-off help show that you took practical steps to reduce risk, detect issues early, and limit damage. Any insurance benefit depends on your policy, but prevention always beats explaining a flooded basement after the fact.

Why Homeowners Like Having Water Protection Built Into Their Security System

“We got an alert before the leak had a chance to spread, and that likely saved us from a much bigger repair.”

Melissa R. – Vaughan

“The automatic shut-off gave us peace of mind when we were out of town. That feature alone sold us.”

David T. – Oakville

Questions About Residential Water Sensors? Start Here

Q: What do residential smart water sensors do?
They detect water in places where leaks are likely to happen and send alerts so you can respond quickly.
Yes. You can receive real-time mobile notifications when water is detected.
Yes. Alerts can be sent to multiple people in the household.

Yes. When paired with a compatible Smart Water Shut-off Valve, the system can
automatically close the main water supply after a leak is detected.

Common areas include under sinks, behind appliances, near the water heater, in the basement, and near the laundry area or sump pump.

The Smart Water Sensor uses a remote probe for targeted placement, while the Smart Water Tile is a low-profile detector made for tight spaces.

Yes. Early alerts and automatic shut-off can help limit how far water spreads.

Possibly, but that depends on your insurer and your policy.

Protect Your Home From Leaks

Before They Become Expensive

Residential Smart Water Sensors

Catch Leaks Early Before They Turn Into Costly Home Damage

A small leak can quickly become damaged floors, ruined drywall, mould, and a major insurance headache. Grand Alarms smart water sensors help detect water early, send instant alerts to your phone, and can trigger automatic water shut-off to help protect your home before the damage spreads.

Smart Water Protection
Built for the Way Homes Actually Leak

Not every water issue starts in the same place. That’s why our residential water
protection lineup includes different devices for different risk points throughout the home.

A low-profile leak detector built for tight spaces where water tends to collect first. It can trigger instant alerts and provide on-device audible and visual warnings when moisture is
detected.

A smart flood sensor with a remote probe designed for problem spots like under sinks,
behind appliances, and around water heaters, where early detection matters most.

A motorized shut-off device that works with your system to automatically close the main
water supply when a leak is detected, helping stop the problem before it spreads.

Know the Moment Water Shows Up Where It Shouldn’t

The faster you know about a leak, the faster you can limit the damage. Get real-time
notifications sent straight to your phone the second moisture is detected.

Grand Alarms app push alert showing “Water Detected” and water shut-off activated for a business location.

Real-Time Notifications

Get mobile alerts as soon as a leak is detected.

Three business roles checking mobile alerts, showing water leak notifications sent to manager, maintenance, and owner at the same time.

Shared Household Alerts

Send notifications to more than one person, including your spouse, partner, or a trusted family member.
Grand Alarms app activity history showing water valve opened and closed events with timestamps for accountability.

Event History

Get mobile alerts as soon as a leak is detected.

Mobile dashboard showing water valve status, usage, and water events for monitoring multiple leak zones across residential locations.

App Visibility

See Every Protected Water Zone in One Simple App

From the basement to the laundry room, you can monitor your home’s key leak areas from one place. It’s a simple way to keep tabs on the spaces most likely to cause expensive water damage.

Smart Automation

Set It Once and Let Your System React Faster Than You Can

Smart automation helps your home respond the moment a leak is detected. That means less delay, less guesswork, and less chance of water sitting unnoticed while damage spreads.
Grand Alarms app rules screen showing a water automation that closes the water valve when a water sensor detects a leak.

Placement Zones

Put Protection Exactly Where Leaks Love to Start

Residential leaks usually start in the same few places, and they are rarely convenient. Smart water sensors help cover the high-risk areas homeowners worry about most.

In basements

Near water heaters

Under kitchen sinks

Near dishwashers

Under bathroom sinks

In utility rooms

Near sump pumps

Behind fridges with water lines

Behind washing machines

Leak Containment

Finding the Leak Is Good. Stopping the Water Is Better.

An alert helps you react. Automatic shut-off helps stop the problem at the source. Pairing leak detection with a smart shut-off valve gives your home a much stronger line of defence against serious water damage.

Automatic Shut-Off

When a Leak Is Detected, Your Water Can Shut Off Automatically

The Smart Water Shut-off Valve can close your main water supply when connected leak sensors are triggered. That can make the difference between a small cleanup and a fullscale repair bill.

Tight Spaces and Freeze Risk

Protect the Hidden Corners of Your Home Too

Some of the worst water damage starts in the places you do not check every day. The Smart Water Tile is designed for tight spaces and can also help monitor for freeze-risk conditions in vulnerable areas.

In-Home Warning Signals

Not Home Alone. Your Sensors Can Sound the Alarm Too.

Mobile alerts are useful, but on-device warnings matter too. The Smart Water Tile can sound an audible alert and flash a visible LED, helping someone at home notice the issue right away.

Insurance and Prevention

A Smarter Way to Show You Took Water Damage Prevention Seriously

Water damage claims can get expensive fast. Residential leak detection and automatic shut-off help show that you took practical steps to reduce risk, detect issues early, and limit damage. Any insurance benefit depends on your policy, but prevention always beats explaining a flooded basement after the fact.

Reviews

Why Homeowners Like Having Water Protection
Built Into Their Security System

“We got an alert before the leak had a chance to spread, and that likely saved us from a much bigger repair.”

Melissa R. – Vaughan

“The automatic shut-off gave us peace of mind when we were out of town. That feature alone sold us.”

David T. – Oakville

Questions About Residential Water Sensors? Start Here.

Q: What do residential smart water sensors do?
They detect water in places where leaks are likely to happen and send alerts so you can respond quickly.
Yes. You can receive real-time mobile notifications when water is detected.
Yes. Alerts can be sent to multiple people in the household.
Yes. When paired with a compatible Smart Water Shut-off Valve, the system can automatically close the main water supply after a leak is detected.
Common areas include under sinks, behind appliances, near the water heater, in the basement, and near the laundry area or sump pump.
The Smart Water Sensor uses a remote probe for targeted placement, while the Smart Water Tile is a low-profile detector made for tight spaces.
Yes. Early alerts and automatic shut-off can help limit how far water spreads.
Possibly, but that depends on your insurer and your policy.

Protect Your Home From Leaks 

Before They Become Expensive

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