The Flow Security Systems Faucet Lock II | Magnetic Key | Prevents Water Theft, Secures Outdoor Taps, Promotes Water Conservation | Fits Most Outdoor Hose Bibbs | FSS 500 | Keyed Randomly | 1 Pack

So, I might not know JUST HOW GREAT these things are if I hadn't spoken to the owner of the company today, who phoned me personally at home on a Saturday after receiving a distraught complaint message that my two locks were defective. I had looked up the company through my Amazon order and sent the message, after which I saw that they have a customer service number I could call M-F.The company owner called directly from his personal cell and talked me through a little work-around that got them working again.So, how do they work and not work? Magnets! Once these fit onto the hose bibb (with your key inside) you hear and feel a sort of click into place. Then you remove your key (containing a magnet), and your precious water is on serious lockdown from thieves. Once you need to access your water, you simply insert the key and start unscrewing.My hiccup today was that the lock kept turning in place rather than unscrewing, which is exactly what it does for the people you want to keep out, and what you want it to do to them. But when your magic key is in there, you want it to come off. Apparently a couple of taps on the locking device itself helps tap the "sleeping" magnet back into place, because it worked on both locks that were jammed up. The gracious owner still offered to let me return these in exchange for the brass version with a traditional key at no extra charge. He explained that the brass ones are more costly to make, which is why they are more, and that w/o regular maintenance like WD40 they could fail from corrosion. But that the magnets should last with no maintenance at all, which is how they came to be invented. And they're cheaper to make because the parts are less than brass. Fascinating!Even with the hiccup today I opted to take the leap of faith on the magnets, because I just love the innovative technology.I think if you've checked the listing you can see you can order as many as you want all keyed the same (one key = multiple locks) or keyed differently, but that is a nice bonus for those of us who like it simple. The keys are lightweight and plastic and just plain bizarre. The locks themselves are very heavy and feel sturdy and well made.It seems that the occasional one might fail or be a lemon, but rarely, and if so, it sure seems this company will more than take care of you. I've never gotten service like that EVER. It's rumored the world was like this back in the '50s, but I'm an unfortunate product of mega-corps and phone tree robots that never get a human on the line. I was really blown away by this level of service.

I bought this Water Lock three years ago in 2020. It protected the outdoor faucet at my condo from others that were turning the water and leaving it running. Easy to install / uninstall. Last week, the lock would no longer stay locked. I reached out to the company and Mark, president of the company, responded to my email and is sending me a new lock. That is great customer service!This is a great product to keep others from wasting water and charging you for their bad behavior.

I installed 8 of these on rental units. Easy to install. Tested it and it locked and unlocked as expected. Seemed like a good solution. Problem is after about 6 months they no longer unlock... put the key in and the head just spins and spins. I tried multiple of the right number keys and none worked. I used a small screwdriver to pop off the lock ring and removed the lock. I could see dirt/grime/mildew around the magnet in the lock, preventing it from moving, and of course unlocking. Obviously there is not a sufficient seal to prevent the elements from contaminating the innards of the lock, which over time rends it useless. Buy only if you never want to remove because after awhile you won't be able to remove it except by destroying it.

Helped stop water thieves!

This is a lot easier to use than the original Faucet Lock I - easier to install and easier to remove. However, the magnetic key seems fragile.

Bought these to stop a water thief that kept camping in my backyard. They threaded on easily. The thief tried to break this lock off with a sharpened stone. They hammered away at it for several minutes. The metal lock did not yield or deform.My only complaint with this design is that it doesn't protect the valve. You can still turn the water on. This lock is supposed to act as a seal to prevent water leakage, and it does an OK job at it. With the spigot on full, mine still leaked a tiny bit. A slow drip. Could probably be fixed with some thread tape. Thankfully, this slow drip was not enough to satisfy the water thief and they eventually gave up. Success. And a bargain for the asking price of $11 per lock with free shipping straight to my door.

Sad to say there has been theft of water in our area and we needed to lock the outer faucets on the property. These are super simple to install and we ordered the pack that was all keyed the same. Without the magnetic key the faucet cannot be used. Pretty ingenious product.