Smart Water Shutoff Valve in Southlake

What's Included:
- 12 Year Warranty on Parts + Labor
- Licensed Phyn and Moen Installer
- Full Product Demonstration
- Get Same Day Service!
- Family Owned and Operated
- Fix Your Issue 100% Guaranteed

A single alert on your phone while boarding at DFW. Water detected. Shutoff activated. Crisis averted. That's the difference between a minor inconvenience and weeks of remediation in your custom-finished home.
Mother Modern Plumbing installs smart water shutoff valves calibrated specifically for Southlake's water chemistry and freeze risk profile.
Our systems combine real-time flow monitoring with automatic shutoff capability- so a detected leak triggers immediate water supply closure before you even respond to the notification.
Call Mother 24/7 to schedule your expert installation consultation.
Smart Water Shutoff Valve Installation in Southlake, TX
Your Southlake home represents a significant investment. Water damage is one of the few risks that can meaningfully impact that investment, turning a luxury property into a remediation project.
Smart water shutoff valves protect against that risk. They monitor flow continuously, detect anomalies, and shut off your water supply automatically before a small leak becomes a five-figure insurance claim.
For dhomeowners who travel frequently for business, maintain second properties, or simply refuse to gamble with their most valuable asset, these systems provide protection that doesn't require you to be physically present.
Get Peace of Mind for Freeze Events in Southlake
February 2021. February 2025. January 2026.
Three major freeze events in five years. Each one generated hundreds of emergency calls to our office from Southlake homeowners sophisticated property owners who understood immediately that frozen pipes in a slab foundation home aren't a minor inconvenience.
When pipes freeze and burst in a slab foundation, you're not calling someone to access a crawlspace. You're scheduling tunneling or slab penetration, often a $15,000–$40,000 proposition that displaces your family, invites contractors to parade through your custom finishes, and triggers lengthy insurance negotiations.
The homeowners who avoided that outcome had one thing in common: automatic shutoff systems that detected the problem and responded immediately, not after the damage was done.
Why A Southlake Homeowner Installed a Smart Device After A Leak

A prior customer called us: "I'm hearing water hissing in my walls. The baseboard in my front entryway feels warm. I've shut off the main water supply."
She did everything correctly: identified the abnormal sound, verified it physically, and isolated the system. But the problem still required immediate professional intervention.
What we found: A pressurized leak in the main water line as it entered the home, hidden inside a wall cavity. Left unaddressed, this would have saturated drywall, damaged framing, potentially compromised the foundation, and created ideal conditions for mold growth.
Our solution: Rather than attempt a difficult repair to the buried line, we rerouted the entire main water service along the exterior of the garage. This eliminated the compromised section permanently and provided future accessibility for any maintenance needs.
As part of the comprehensive installation, we integrated a Phyn Plus smart water shutoff valve into the new system.
An Ounce of 'Smart Device' Prevention
Had the Phyn Plus been installed before the leak developed, this homeowner would have received an immediate alert the moment abnormal flow was detected. The system would have shut off water automatically. No wall damage. No emergency. No displacement.
That's the value proposition for Southlake property owners: you never deal with the water damage, the insurance claims, the remediation contractors, or the displacement again. The system handles it before you even know there's a problem.
For homeowners managing properties worth close to seven figures, that kind of protection isn't an expense—it's risk management.
Products We’re Certified to Install With Confidence
Here’s more about the smart water monitor and shutoff valve products Mother installs regularly in Southlake homes:
Phyn Plus Smart Water Assistant (2nd Generation)
Phyn’s combination of leak detection accuracy, detailed reporting, insurance adoption and a lack of subscription fees makes it the best choice for most homeowners. Its best-in-class detection, ultrasonic flow sensors and add-on sensor ‘pucks” make it the most widely adopted smart shutoff system by insurance agencies.
Moen Flo Smart Water Monitor and Shutoff
Flo is best for homeowners looking for a simpler app experience- and ones who prefer leak alerts via call instead of push notification. It offers robocall leak alerts instead of push notifications, and pairs easily with popular smart home alarm and security monitoring systems.
Watts Leak Defense System: The Luxury Home Upgrade
Leak Defense is the best performing system for large homes with 5+ bathrooms and multiple water lines (or lines 2” and above). Each system is customized for the individual home from the ground up by your personal Watts specialist.
Licensed Smart Shutoff Installation Are Required for Insurance + Warranties
The major smart water shutoff brands all require licensed professional installation for warranty coverage:
- Flo by Moen: Licensed plumber required
- Phyn Plus: Licensed plumber required
- StreamLabs: Licensed plumber required
DIY installation voids manufacturer warranties on devices that cost $400–$600 before labor. You save $200–$300 on installation and forfeit $400–$600 in warranty protection.
We're licensed to install all major brands and have reviewed them extensively. We can recommend the system that best fits your home's specific requirements—pipe material, water chemistry, insurance carrier preferences, and travel patterns.
Frequent Travelers Can Protect Their Homes
Twenty minutes to DFW. Weekly business travel. Extended international trips. Second homes in Vail or Santa Fe.
Southlake's executive families aren't home to respond to the first signs of a leak. They're in airport lounges, closing deals in Manhattan, or managing properties in other states.
Remote shutoff capability means you receive alerts anywhere in the world and can shut off your water supply with a single tap. Activate vacation mode before departure. Monitor water usage from your phone. Respond to anomalies immediately, regardless of your physical location.
Your phone becomes your fail-safe. A push notification during a board meeting. A tap to shut off water. A problem contained before it escalates.
Smart Features That Matter for Busy Southlake Schedules
Your home sits empty more often than you'd like to admit. That makes real-time alerts from your smart water monitoring app and add-on sensors at trouble-prone fixtures essential.
Remote Shutoff for DFW Airport Proximity
DFW Airport sits 15 minutes from most Southlake neighborhoods. That proximity means frequent travel- and frequent concern about what's happening at home.
Smart valves with mobile app control provide immediate shutoff from anywhere with cell service, real-time alerts for abnormal flow detection, vacation mode activation before departure, and flow monitoring to catch slow leaks while you're away.
The alert hits your phone during your layover in Chicago. You tap "shut off." The water stops. You land, call Mother, and schedule a service visit. No flooding. No displacement. No insurance battle.
Companion Leak Sensors for High-Risk Zones
Smart valves monitor your main water line. Companion leak sensors monitor specific high-risk locations.
Strategic placement includes water heaters (especially attic installations per Southlake code), washing machine supply lines (a leading cause of home flooding), under-sink locations where slow drips go unnoticed, and near dishwashers and refrigerator water lines.
Professional consultation identifies placement specific to your home's layout. A Southlake home with an attic water heater has different risk zones than a home with a garage installation.
Insurance Premium Reductions: 5–10% Annually
Most major insurance carriers offer premium discounts for verified smart water protection devices.
The math works greatly in Southlake's favor. With median home values approaching $1 million and annual homeowner's insurance premiums of $3,000-$6,000, a 5-10% discount equals $150-$400 annual savings.
Your payback period: 2-4 years on installation investment. And that's without accounting for prevented leak and flood damage.
We provide installation documentation formatted for insurance submission. You shouldn't have to chase paperwork to receive the discount you're entitled to.
What to Expect During Installation
Standard installations on ¾" or 1" main lines typically complete in 2–3 hours. More complex scenarios require additional time but deliver permanent solutions.
The process:
- Main water line assessment (pipe material, size, optimal placement)
- Valve installation with manufacturer-specified fittings
- Power and WiFi integration
- Baseline flow calibration specific to your home
- Automatic shutoff function testing
- Complete app walkthrough—we don't leave until you're comfortable
Before we leave:
- Photographed installation documentation
- Written baseline flow readings
- Freeze protection configuration confirmation
- All questions answered
No return trips. No damage to your finishes. No shortcuts that void warranties or compromise performance.
Your Southlake home represents decades of investment decisions made correctly. The installation process should reflect that same standard.
Protect Your Southlake Home From Anywhere
Mother Modern Plumbing provides professional smart shutoff valve installation throughout Southlake. We understand that your water protection system isn't just about preventing leaks- it's about protecting the sanctuary you've built from the one disaster that threatens everything.
Our licensed plumbers have installed smart water systems throughout Lakes of La Paloma, Oak Tree Estates, and every Southlake neighborhood. We calibrate for local water chemistry, configure for North Texas freezing events, and document everything for your warranty and insurance.
All you have to do is get back to business and family- free from home flooding concerns for good.
Call Mother 24/7 for smart water shutoff valve installation in Southlake.
Serving Southlake’s Finest Neighborhoods with Smart Water Shutoff Valve Installation
Homeowners in this gated community at the corner of Shady Oaks Drive and Southlake Boulevard benefit from smart water shutoff valve installation to protect their luxury custom homes from costly water damage. Just minutes from Southlake Town Square shopping and dining, these high-end properties with expansive square footage and premium finishes require advanced leak detection to safeguard their significant investments.
### Cross Timber Hills
Nestled north of Southlake Boulevard between N. Peytonville and Randoll Mill Road, Cross Timber Hills homes are ideal candidates for smart water shutoff valve systems that protect against hidden leaks in their established plumbing. Near the Bob Jones Nature Center and Preserve, these mature properties with larger lots and older infrastructure benefit from automated water monitoring to prevent damage while homeowners enjoy the area's natural surroundings.
### Diamond Circle Estate
As one of Southlake's original custom neighborhoods in the heart of town, Diamond Circle Estate's spacious homes with pools, spas, and high-end kitchens require smart water shutoff valve protection to guard against leaks in their extensive plumbing systems. The large homesites and mature construction in this established community make proactive water leak detection essential for preserving these premium properties near Southlake Boulevard.
Crescent Heights
Homeowners in this gated community at the corner of Shady Oaks Drive and Southlake Boulevard benefit from smart water shutoff valve installation to protect their luxury custom homes from costly water damage. Just minutes from Southlake Town Square shopping and dining, these high-end properties with expansive square footage and premium finishes require advanced leak detection to safeguard their significant investments.
Cross Timber Hills
Nestled north of Southlake Boulevard between N. Peytonville and Randoll Mill Road, Cross Timber Hills homes are ideal candidates for smart water shutoff valve systems that protect against hidden leaks in their established plumbing. Near the Bob Jones Nature Center and Preserve, these mature properties with larger lots and older infrastructure benefit from automated water monitoring to prevent damage while homeowners enjoy the area's natural surroundings.
Diamond Circle Estate
As one of Southlake's original custom neighborhoods in the heart of town, Diamond Circle Estate's spacious homes with pools, spas, and high-end kitchens require smart water shutoff valve protection to guard against leaks in their extensive plumbing systems. The large homesites and mature construction in this established community make proactive water leak detection essential for preserving these premium properties near Southlake Boulevard.
Who do I hire to install an automatic water shut-off valve?
Licensed plumbers are the best option to install whole home automatic water shut-off valves and systems. Look for a plumber certified to install certain products, or who demonstrates experience with shut-off valve installation.
Where do I install a smart water shut-off valve?
Install your automatic smart water shut-off valve on your main water supply line, which supplies cold water to your home. This line usually enters your home via an exterior foundation wall or the basement.
Hire a licensed plumber to handle the installation, and refer to your specific product's installation guidelines.
Are there certified automatic water shut-off valve installers in Dallas?
Yes, Mother Modern Plumbing is trained and certified to install Phyn Plus smart water shutoff valve throughout the Dallas-Fort Worth Metroplex.







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