Automatic water leak protection

This is a guest blog post by Joe Westerlund, a home inspector at Structure Tech.

“Is there water pouring through your ceiling?”

When I was working as a plumber, this was my occasional attempt at humor when answering a call from someone I hadn’t heard from in a while. Unfortunately for them, the answer was “yes” more than once. Along with electrical work, I think plumbing is one of the areas of home repair that many people feel the least comfortable with. Everybody loves indoor plumbing, except when water is running through a light fixture below their upstairs bathroom.

Water dripping from light

Water leaks and water backups can occur in many places throughout the home. Some of the most likely areas are around water heaters, boilers, sump baskets, lift stations, washing machines, dishwashers, and HVAC equipment with condensate drains.

In an effort to reduce screen time for your kids, you could try to have them stand guard and watch for leaks. A more realistic and reliable way of monitoring these areas would be to install battery-powered, water sensor alarms, such as the Instapark water alarm, pictured below.

Instapark water alarm

These types of devices can be purchased for as little as $10 – $15 apiece, or even less for a 3-pack on Amazon. They typically have a wired sensor with pairs of contacts that, when connected by the presence of water, emit a loud alarm.

If you’re willing to spend a little more money, there are versions of these water sensor alarms that can be linked with smart devices so users can be notified if the sensors detect water via an app. Leaks don’t always happen catastrophically with a deluge, they sometimes begin with a drip, and early warnings to these sorts of leaks can help prevent considerable damages. Google “wifi water alarm” to find a large variety of them.

What if nobody’s home?

A more complex, expensive, and sure-fire version of these water sensor alarms work in conjunction with a smart, main water valve or a motor that mounts on the main water valve. These systems range from $350 – $900. When connected to your home internet, this type of system can shut off the main water supply to the home if water or low temperatures are detected at one of the water sensors. Again, these systems work with an app that gives the user info regarding which sensor was alerted and what position the main valve is in.

I recently purchased a system like this for my own home, called the Guardian Leak Prevention System. It took less than fifteen minutes to install and set up with my smart device. No soldering, wrenching, use of power tools or modification of the water piping was necessary. The system consisted of a motor that gripped the handle of the ball valve which was already installed at my water main. This motor was integrated into the hub that communicated with the included, battery-powered water sensors.

Guardian valve

Here’s a short video demonstrating the unit in action; I dropped the sensor onto the wet floor, and it automatically turned off the water to my entire house.

It is important to note that there are certain valve types commonly found at water mains that this particular system would not work with, such as globe valves or gate valves. If you have one of those types of valves, it will be necessary to have a plumber install a compatible valve at the water main. See Reuben’s blog post on shut-off valve basics for more info on valves if you’re unsure of which type you have.

The sad fact is that all sorts of failures can and will happen in homes at inopportune times. Pipes can burst, materials can corrode, and pumps can fail; but with the addition of some cheap (and some not-so-cheap) sensors, you may lessen the impact of those failures.

p.s. – just three days after writing this blog post, the system alerted me to a cracked fitting at my sump pump check valve.

Cracked fitting at check valve

I don’t know how long it would have leaked had the system not alerted me. I’m considering this system paid for.

Author: Joe WesterlundStructure Tech Home Inspections

About: Joe Westerlund has been working in construction since he was 13. He is a licensed Journeyworker Plumber with 15 years of combined field experience in HVAC and plumbing. Before joining Structure Tech, he ran his own business for seven years in home repairs and working as a commercial contractor. He earned an A.A. degree from North Hennepin Community College in 2014. While recovering from an injury, Joe decided to take some online learning classes with ICA. Those classes and his working relationship with a Realtor® friend of Reuben’s led him to Structure Tech.

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Reuben is a second-generation home inspector with a passion for his work. He grew up remodeling homes and learning about carpentry since he was old enough to hold a hammer. Reuben grew up thinking he was going to be a school teacher because he enjoyed teaching others so much. In a sense, that’s a lot of what home inspections are about, so Reuben truly does what he loves. Sharlene has worked with Structure Tech since 2000 and Reuben has been contributing to her blog since 2008.

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