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I’ve put these under the knobs of our gas stove to prevent our grandchildren from being able to turn the gas on. I measured the gap as per the instruction page I read on Amazon to purchase the correct size and they fit perfectly. Highly recommend.
I bought these for a Frigidaire gas stove. Exactly 4 quarters fit behind each knob, so I ordered the gray silicone locks. They arrived and I tried to install them according to the instructions in the manual. This is where I ran into some confusion. I thought they had to be installed with the thicker part towards the top of the knob, but no matter what I tried, I could still push and turn on the gas/flame. A call to Vadiff customer service was super helpful. The lady offered to send me the thicker (black) silicone locks to try. The next morning, she sent me an email suggesting that I try to install the locks with the thick part below the knob (pushing up to lock and down to unlock). I was skeptical, but tried it when I got home that evening. Voila!! That did the trick. Now I don't have to worry about an exchange. Just thought I would share this for anyone else who might encounter the same problem. I'm glad these work for our kitchen, because I was really hoping not to have to use those knob covers. Just a personal preference.
I did happen to open and close the oven door while two of the locks were unlocked (i.e. dangling down past the knob) and they got caught in the oven door, but it was easy to catch and fix. It's a worthwhile trade-off for knowing that my kids won't be able to fiddle with the gas when our backs are turned!
I don’t get why these work so well for other people. They certainly don’t “lock” anything—you’re just driving a wedge behind the knob so it can’t be pushed down to turn gas on. Except, the wedge is made of squishy silicone, so you have to do a bit of testing & adjusting when trying to secure it. Also, the stove knobs just get pushed up by the process, so you have to squish them back down into the silicone. This is finicky & ineffective. If you’re getting these because you have cats, they don’t seem up to the job; since thicker part has to be on the bottom, you can simply yank them down while they‘re “locked”, rendering them useless. Just imagine a cat scrambling up the stove, claws and all, pushing/pulling one of these down in the process; voila, no longer protected. That’s exactly the situation I got these for after coming home to the house smelling like gas. If you’re trying to not get blown to Kingdom Come, you’re probably interested in a highly effective prevention method; there’s no room for error when you’re looking at death/not-death, house-explodes/house-doesn’t-explode. These don’t seem secure enough for that magnitude of a scenario.
The issue: We have several high shelves next to the stove in our kitchen. Because our kitchen is small, the stove is located in the corner near two cabinets that my girlfriend and I frequently use. On more than one occasion the knobs have been turned on accidentally by being pressed in by a hip and then turned by reaching up on tip-toe. It doesn't happen every time and normally you would notice the sound and/or the smell and turn it off immediately.
The final straw: One week I got sick. My sinuses were so clogged that it had become difficult to hear and impossible to smell. I reached for a glass from the back of the second shelf. I hadn't noticed that the knob turned to about 1.5 on the stove. My girlfriend got home an hour and a half later and immediately noticed the gas smell in the house. Gas from the stove had been filling the house, mercifully, slowly. Needless to say, this could have ended poorly.
The safety knob locks were easy to put on, fit snuggly, and feel quite durable. We have only had the product for a few weeks but we haven't yet had any issues. They are easy to use for adults but, I could see them presenting a real challenge to the average, inquisitive child.
For some completely bizarre reason, Whirlpool decided to make the knobs on my gas range so easy to turn that you can accidentally turn on the gas by wiping down the cooktop with a rag and not realize it until you smell gas. That means that my cats have turned on the burners more than once. There's no door to my kitchen to keep them out. I've called Whirlpool many times about this dangerous safety issue but the company has been completely non-responsive. Whirlpool tells me it's to aid people with arthritis or similar issues. Of all the stupid design choices, this one takes the cake. The knobs on my stovetop are on a horizontal surface (rather than the front of the stove) and don't lift off easily but they will come off if you lift them straight up. There's a video on YouTube that shows how to do it.
They work great. I'm gone 10-11 hours every day for a job an hour away so this product has finally put my mind at ease. The gray ones are an unobtrusive addition to a stainless steel range.