Watts A2C-SC Series Intelliflow 1/2″ Washing Machine Smart Water Shutoff Valve with Leak Sensor, Inlet Adapters, Without Wall Box, Automated Flood Detection with Real-Time Text and E-Mail Alerts
Original price was: $351.00.$301.95Current price is: $301.95.
Price: $351.00 - $301.95
(as of Feb 12, 2026 00:02:38 UTC – Details)
Did you know? A burst washing machine can discharge 500 gallons of water in one hour, causing catastrophic damage to homes and businesses. Install peace of mind with Watts IntelliFlow Washing Machine Smart Water Shutoff Valve, a smart system with automated flood detection. This product comes with a leak sensor and power cord. This specific model does not come with the wall box.
This smart system provides automated flood detection and sends real-time text and email alerts when a leak is detected. Simply scan the QR code on your IntelliFlow, follow the prompts to register it online and connect it to your local Wi-Fi network to enable real-time texts and e-mails.
The system continuously monitors the water flow to your washing machine, as well as monitors for the presence of water behind the washing machine. If an inlet hose bursts, the floor-mounted water leak sensor immediately shuts off the water supply.
The IntelliFlow valve is designed to allow water to flow into the washing machine only when it detects electric current, indicating the machine is in use. It automatically closes the water inlet valves when a water leak is detected. The maximum pressure setting is 150 psi (10 bar) and maximum washing machine current rating is 15A with 1/2″ sweat inlet adapters for both hot and cold water supply tubing.
An optional A-2 IntelliTimer allows use with 220 VAC powered washing machine or washer/dryer combination.
Water. It’s in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world’s most precious resource safe and accessible. Everything we design is made to keep the Earth’s most precious resource safer, cleaner, and more useful for our customers.
SMART WATER SHUTOFF VALVE: A burst washing machine can discharge 500 gallons of water in one hour, causing catastrophic damage. Install peace of mind with Watts IntelliFlow Washing Machine Smart Water Shutoff Valve. Includes a leak sensor and power cord.
REAL-TIME ALERTS: This smart system provides automated flood detection and sends real-time text and email alerts when a leak is detected. Simply scan the QR code on your IntelliFlow, register it online, and connect it to your local Wi-Fi network.
CONTINUOUS WATER MONITORING: The system continuously monitors the water flow to your washing machine and monitors for the presence of water behind the washing machine. If a hose bursts, the floor-mounted leak sensor immediately shuts off the water supply.
ADVANCED ELECTRONIC CONTROL: The IntelliFlow valve is designed to allow water to flow into the washing machine only when it detects electric current, indicating the machine is in use. It automatically closes the water inlet valves when a leak is detected.
EVERY DROP COUNTS: Water. It’s in our name and close to our hearts. Everything we design is made to keep the Earth’s most precious resource safer, cleaner, and more useful for our customers.
8 reviews for Watts A2C-SC Series Intelliflow 1/2″ Washing Machine Smart Water Shutoff Valve with Leak Sensor, Inlet Adapters, Without Wall Box, Automated Flood Detection with Real-Time Text and E-Mail Alerts
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CHARLES COLLINS III –
Works as advertised .
This product is an excellent choice if you are looking for protection against washing machine hose burst . Works as advertised .
Julian –
Poor execution of a good idea
Do NOT buy this product. It is hard to install and doesn’t last.I’ve had 3 or 4 of these over the past 20 years or so. They seem to last 5-6 years maybe before something fails. The first just stopped working, perhaps due to a power surge, although I do have a whole house surge suppressor so maybe not. I recall the second unit doing the same, it just died. The third unit died when it was no longer able to open the cold water valve more than a trickle, making the laundry take hours to finish.The latest unit (purchased in 2023) lasted about a year. It appeared to work as it should, however the flow rate through the unit was less than a gallon per minute. Without the unit in place, the flow rate was 8 gallons per minute. I will not be replacing it with another.The plastic housing is an absolutely awful design choice. It is much too easy to cross thread the fittings when trying to install. If the pipes are even slightly non-parallel or the spacing is even a fraction of an inch off, you will have great difficulty getting this thing in place.The WiFi feature borders on useless. It requires a connection to Watts’ server to tell you if the moisture detector tripped via a notification or email. I’m not sure why this is useful, as I’d discover this fact myself the next time I checked on the laundry. The only somewhat useful aspect of this is to let you know your home internet connection is not working. The fact it needs to phone home to Watts’ servers is also disappointing.I wanted to like this thing. I bought a bunch. It is a five star idea. The execution is zero stars.
uncleojoe –
Everyone should have one of these valves on their washing machine
I bought this to replace an old watts valve that was 22 years old and started to get finicky. I decided at that age it was better to replace it then to fool around trying to fix it. Because this valve can save you from catastrophic damage it doesn’t pay to Take a chance on repairing an old one as opposed to buying a new one.
HSW in MD –
Blowout Preventer…..
This unit replaced an older model that was kaput. Installation was straightforward and relatively easy. There are no written instructions, so be sure to FULLY watch the YouTube video on installing AND setting up the Bluetooth, if you require it.
A. Leite –
DO NOT RECOMMEND – It is my third valve and I gave up
It has been three valves in 4 years. The first one lasted 3 years, the second 8 months, and the 3rd one, two months. At least I didn’t pay for the 3rd one, it was a replacement under the warranty, but it must have been refurbished since it didn’t last at all. They keep telling me that it is because my waster keep draining a small amount of energy and keep the valve magnetised. That’s not the case, it is just that I have a large household and I would run the washer many cycles in a day. Obviously it was not made for this. I even payed an absurd amount of money for a timer from Watts so it turns off the washer draining automatically. NOTHING changed. The second valve still broke and so did the 3rd one. Unless just do a load a day so the valve only stays open for an hour or so a day, you are not up to a good match. I am very technical, I have built many properties. Even though this has been the worse nightmare in house ownership it is by far a very annoying one. The technical support person at watts questioned my knowledge but I had done everything possible to make this to work because the idea of it was great. I switched to a regular valve and wifi water damage sensor that I linked my main water shut off. Worse scenario I get a little more water going into the floor drain. I have similar solenoid valves in my water heater so it drains in case of lost of power and it won’t freeze the water instead of it. Those solenoids are magnetised 24/7 for the last 7 years and not issues. So Watts just need to use better quality to fit most household needs. I don’t see anyone that have the luxury to spread out their laundry washing so it doesn’t hurt the sensitive Watts valve. Usually people do all their laundry at night or on the weekends, one load after the other. DONT BUY THIS PRODUCT.. waste of $$$
Joe G –
DYI Replacement but plumber for new installation
Installation was relatively simple because it was replacing an old unit. The only difficulty was fitting the PVC bolt on the copper water pipe. The fitting was difficult because of the workspace. The WiFi setup was easy. I would recommend this product if you want that automated water shut off.
Harry B –
Washing machine flood prevention
If you’re the person who always turn’s off the hot and cold water supply’s when you’re done washing the clothes you don’t need this.
Susan E. –
Works well, all the parts fit well. This is a necessity for any upper level laundry room.Good quality!