Model # 400LSRP14

Internet #100393067

Store SKU #601914

Fluidmaster Leak Sentry Water Saving Fill Valve
0039961415080

Fluidmaster

Leak Sentry Water Saving Fill Valve

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Product Overview

Save water and prevent a running toilet with a Leak Sentry Toilet Fill Valve. This revolutionary toilet fill valve includes a water-saving roller clamp to make sure that the right amount of water goes into the bowl with every flush. It’s also the only toilet fill valve with active leak detection, preventing a toilet from leaking without the homeowner having to take any special action. Best of all, when there’s no leak in the toilet tank, it works just like a 400A toilet fill valve, so you know you’ll get consistent performance flush after flush.

  • Automatic "Locking" action alerts users to leaks before money and water are wasted
  • Toilet remains fully operational
  • Anti-siphon, code approved
  • 5-year warranty
  • Fits all brands of toilets
  • Easy to install

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Customer Questions & Answers

how can I stop the water from running all the time in the toilet?????????

Asked by: Anonymous
The fluid master was installed in May and today it started to running every few minutes. How do I fix the problem? n. Kasa
Answered by: Nikki
Date published: 2016-07-28

my water tank does not refill water.

After flushing, the tank does not refill. It refills only when the lever is pushed up..
Asked by: Anonymous
The chain on your flapper valve may be getting caught up inside the tank. Remove the lid to the tank and see if the chain is holding the water level float up, not allowing it to drop and allow water to fill the tank.
Answered by: JackR1
Date published: 2015-09-20

Can i take this stupid leak proof chain off. It does not work properly, it is not resetting after flushing.

Chain is snug as described.??
Asked by: Brian
No... I went and just changed it for a less expensive one
Answered by: tileman04
Date published: 2017-01-01

Tank over flow

I have a leak sentry fill valve, and for some reason the little lever at the bottom that is supposed to prevent leaks some times gets stuck on the off or on position and causes the water to continue to spray into the tank instead of letting the fill valve to rise and shut of the water, this causes the tank to over flow and leak a ton of water. This has happened to me 3 times now, first two times i caught it within minutes, third time not so lucky, wasn't near the restroom and last time I used it was an Hour before I caught the overflow! 2nd Story too. Not fun to clean up. Now replacing fill valve, is the old ball cock a better solution?
Asked by: Nox2040
Thank you for your question about the Leak Sentry Water Saving Fill Valve. The problem you described may not have anything directly to do with the Leak Sentry device. The issue here may have everything to do with debris getting trapped inside the valve (in the trap basin under the top cap assembly) and not allowing the fill valve’s master seal to properly seat and turn off. The simple solution to this problem is to remove the fill valve top cap and flush debris from the valve body. The Leak Sentry valve which is designed with a removable top can be flushed and without removing the it from the tank. I think the Leak Sentry valve Is a premium valve that offers greater potential for water savings and would not exchange it for a ball cock fill valve.
Answered by: FluidmasterSupport
Date published: 2015-09-20
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Customer Reviews

Leak Sentry Water Saving Fill Valve is rated 3.1 out of 5 by 46.
Rated 1 out of 5 by from Had this in my Toto Drake for 3 months and started to hang up. Just had to replace it Had this in my Toto Drake for 3 months and started to hang up. Just had to replace it
Date published: 2016-12-31
Rated 5 out of 5 by from Fluidmaster 400 lsc leak sentry WORKS! The device was easy to install. It works like a charm. Even if I didn't think so at first! I made the same observation as previous reviewers: the tank was empty and the toiled "didn't" flush. Yet I concluded differently. The (my) unit works perfectly well. As advertised, the unit DOES "prevent the refill of a leaky tank." While I was puzzled at first and did think the unit was faulty, I removed the tank top and looked inside. The tank was empty! And that was clearly no fault of the Fluidmaster400 lsc; the unit did perfectly well to "prevent..." I took a look at the flapper and, after 6 years, it was pretty crusty; a perfect setup for water in the tank to seep through. An early, rough, observation had my tank emptying in about 4 hours. That is 6 "emptyings" a day at a gallon (4 L) per! Six gallons (24 L) per day. 365. Wow. I cleaned the flapper and the rate slowed to about 6 hours per emptying. Down to 4 gallons (16 L) per day of wasted water. In that toilet alone! Clearly, it is the seal with the flapper that is the problem. This weekend, my pet project will be... I hope this helps.
Date published: 2013-10-31
Rated 3 out of 5 by from Works, but poorly contructed Well, you get what you pay for. Putting this in was a snap, about 10 minutes. The rubber seal that came with the kit doesn't fit on the stem, not does it tell you if you should break off the inner piece to allow it to slide on. I sued the rubber seal from my prior valve. The base of the valve leaks, but it leaks into the bowl and shuts off when filled so it doesn't waste water. They give no instructions on how to install, which would help a more novice do it yourslefer.
Date published: 2010-12-19
Rated 1 out of 5 by from Just disable the leak sentry and be done with it. I needed a new valve because my old Fluidmaster was leaking and the cleaning method didn't work. The Leak Sentry model was the only Fluidmaster valve available at the time, so I picked it up, figuring I could just skip connecting the leak sentry. Well, it turns out you can’t skip connecting leak sentry if you install the unit according to the instructions. At times, the valve would not open to fill the tank – I’d flush and get no water because there’s nothing in the tank. I fiddled with the chains several times trying to get the sentry to work reliably. It would work 4 or 5 times, then we’d get our waterless “flush.” SOLUTION, (no need to remove the valve assembly): 1. I turned off the water at the toilet, flushed it, then held the flapper till there was little water left in the tank. 2. With the aid of a flashlight, a small flathead screw driver and a small mirror, I disengaged and removed the leak sentry, (the black plastic piece that the chain attaches to,) by gently prying one "ear" off its pivot and then the other ear off the other pivot. 3. I disconnected the chain from the lever and discarded the whole assembly. Turned the water back on and I’m done. I suppose one could just break the ears off their pivots if ones frustration awareness level approaches red. This procedure converts the unit to the much simpler Fluidmaster valve like the one I removed and has worked flawlessly. .
Date published: 2011-12-29
Rated 5 out of 5 by from Very clear instructions I have installed toilet kits before (I’m not a handyman) and only read the instructions because the prior review mentioned that they were not clear. He was mistaken. The instructions are very clear and easy to understand. I installed it in <10 minutes. I searched for it online and went to the store because I did not want to wait for it to be shipped. You are a lot better off going to the store because the cost was $7.48 + tax today (08/27/11). The item is listed higher online to cover the shipping. You’ll have to pay tax even if you buy it online if there is a Home Depot in your state. Good luck.
Date published: 2011-08-27
Rated 5 out of 5 by from Tremendous Value Some years back, a basement toilet flapper valve leaked over 75,000 gallons of water before it was discovered. We have high mineral content water and the minerals crusted on the flapper valve. I installed the Leak Sentry fill valve (and new flapper valves.) I hadn't paid attention to that bathroom for several years, as it is remotely located. The other day I was down there again and flushed the toilet. Thank goodness the leak sentry had prevented the toilet from running, as the tank was bone dry. Again, the flapper valve had been encrusted by minerals and was leaky. All of my toilets in my rental houses have these valves and it saves money and water.
Date published: 2015-02-19
Rated 1 out of 5 by from Leak Sentry is a failed design, read all the reviews before wasting you time. As you may or may have not noticed, but all the complaints about the Leak Sentry and the fill value not even allowing the valve to fill the tank is true. One flush, then boom, the anti-leak sensor kicks in and stops the valve from filling. Have to release the sensor to begin the fill. What a pain in the behind. Some have suggested to remove the sensor, but that's besides the point. It is a poorly designed valve, and I would much rather still have my old school ball floater valve which lasted over 10 years. Technology is making what used to be a simple concept a major flaw. Give me my ball floater valves back again.
Date published: 2013-08-29
Rated 1 out of 5 by from Leak Sentry "It Leaks All right" Installation of the fill valve requires basic tools and minimal plumbing expertise. Adjustment of water fill level is necessary. The only drawback is that the ease of installation is off-set by the fact that the valve continued to leak.
Date published: 2014-07-08
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