Model # 400ARP25

Internet #100554467

Store SKU #147966

null Universal Toilet Fill Valve
0039961000026

Universal Toilet Fill Valve

  • #1 best selling toilet fill valve in the world
  • Easy to install
  • Height adjusts 9 in. - 14 in.
$7.48 /each

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Product Overview

The Fluidmaster 400A Toilet Tank Fill Valve is the number one selling fill valve in the world. The 400A is adjustable in height from 9 in. to 14 in. to fit almost all toilet tanks. It also has an anti-siphon design to prevent contamination of household drinking water.

  • Replaces ballcocks
  • Refills quickly
  • Universal fit for 1 and 2 piece toilets
  • Corrosion-resistant material
  • Anti-siphon operation, code approved
  • Won't contaminate fresh water supply

Info & Guides

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Specifications

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Warranty / Certifications

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Customer Questions & Answers

Did I ruin the fill valve by moving the lock ring?

If I pushed up the lock ring and pulled the threaded shank completely out of the valve body but then reinstalled it and re-seated the lock ring, can I expect it to be OK or did I damage anything?
Asked by: Anonymous
Should be fine, because: I wasn't able to adjust the height by turning (un/screwing) the two parts as instructed, so I took it back to HD. The clerk did exactly as you did; just yanked the two tubes apart. We reassembled it, adjusted to correct height, installed it, and after 3 yrs, no problems.
Answered by: LarryNMI
Date published: 2016-06-02

Why does my toilet run for 3-5 seconds every 5 minutes or so even when I don't flush

Asked by: steve
What your toilet is doing is what we call ghost flushing. It is almost always caused by the flapper. If you possibly can use the original flapper. Using a fit all flapper can cause the problem. Sometimes I run a new flapper under hot water to help it to seat. And sometimes they may need to seat in for a day or two. Make sure the seat is clean there can be parts of the old flapper stuck to it' Other things that can cause this are the tube from the fill valve to the flush valve is stuck down to far in the flush valve below the water line. Also I have seen the flush valve tube have a crack. Usually I cracked it adjusting the fill valve or taking off a really hard flapper. If you think this is dumb you haven't changed a thousand flappers and I have changed a lot more than that.
Answered by: raytheplumber
Date published: 2017-04-20

Need to hold my tiolet handle for it to flush, What can I buy to fix this problem

Asked by: Kimmy
New flapper valve. If you watch a working toilet flush, the flapper floats up for a few seconds, and then flops down to seal the drain hole. That or your tank isn't filling enough before you flush to keep the flapper up long enough, or your handle isn't raising the flapper up high enough. If the latter, shorten the chain.
Answered by: MicD
Date published: 2017-04-16

What causes my fluidmaster to fill the tank so slowly, as long as 5 minutes to fill? I have slow fill on 2 toilets.

Asked by: Lido
could be water line pressure, or valve is not open all the way, or valve is partly blocked
Answered by: Rick
Date published: 2015-11-08
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Customer Reviews

Universal Toilet Fill Valve is rated 4.4 out of 5 by 1147.
Rated 5 out of 5 by from My wife and I had heard a hissing sound coming from the toilet today. I googled and learned that ... My wife and I had heard a hissing sound coming from the toilet today. I googled and learned that the hissing sound most likely comes from the fill valve. At 6pm I drove out to HD, picked up a new fill valve and waited for my kids to fall asleep. I kid you not (no pun intended) it took 10 minutes to install and the hissing sound is gone.
Date published: 2017-02-21
Rated 1 out of 5 by from I purchased two of these fill valves. One of them performed as expected with no issues. However... I purchased two of these fill valves. One of them performed as expected with no issues. However, the second valve I installed had this curious issue where the float would rise shutting of the valve but over the course of about 20 - 30 seconds, the float would "drift" downward and sink within the water. This would then cause the water value to reopen and run continuously. It almost seems as though there may have been a manufacturing issue with this assembly regarding the float's buoyancy. Contacted the "live chat" to explain my issue. Got the canned response of "ghost flushing". Irritating but since it is only a $10 part, I am just going to let it go and buy a replacement from a different manufacturer (or perhaps attach a cork to the float assembly to give it more buoyancy. (Yes, I adjusted the water tank height and the height of the "stem". It is at the same level as the float valve that works perfectly fine and on the same model of toilet.)
Date published: 2016-12-05
Rated 1 out of 5 by from BUYER BEWARE. Do not, I repeat, do not waste your $7.50. I bought one about a month ago - it work... BUYER BEWARE. Do not, I repeat, do not waste your $7.50. I bought one about a month ago - it worked great for all of 3 weeks. Now, the float gets hung up when I flush the toilet, so the float does not go down and the toilet does not fill back up. To flush, I have to remove the lid and tap the float arm and it goes down. Piece of junk for sure. Now I have to go back to the store, purchase a different brand and start all over - turning off the water (its an old house so the valve is tight to turn), emptying the tank, etc. Just a pain you don't want to have to do twice in a month's time. I suggest buying a different brand - definitely won't ever use Fluidmaster brand again.
Date published: 2017-03-29
Rated 5 out of 5 by from I had an old ball-and-lever valve that's been leaky for about 5 years. This valve was simple to i... I had an old ball-and-lever valve that's been leaky for about 5 years. This valve was simple to install with easy-to-follow instructions (took me about 15 min). Best of all, it works like a charm.
Date published: 2017-01-24
Rated 5 out of 5 by from Look no further!! If you're looking for an affordable toilet fill value replacement that's easy t... Look no further!! If you're looking for an affordable toilet fill value replacement that's easy to install and works as described, then you've found it! This item is below $8 (including CA tax), has the best instructions and pictorial demonstrations that I've seen in a long time and straight forward. It actually took me longer to drive to the store, pick it up (I purchased it online with pick up in store option) then it did to install it. I was so upset when I had mistakenly broken a part of my old toilet system, but this product made up for it quickly. It works much better than what I replaced and isn't as noisy. Yes ANYONE can install this item and save themselves a lot of money.
Date published: 2017-02-22
Rated 5 out of 5 by from Easy to install. Works great. Height adjustment feature was needed for my installation. Easy to install. Works great. Height adjustment feature was needed for my installation.
Date published: 2017-02-14
Rated 1 out of 5 by from This is the second time I have installed a Fluidmaster valve only to have the valve fail. On thi... This is the second time I have installed a Fluidmaster valve only to have the valve fail. On this second one, the valve would never shut off and the tank overflowed. Slowly so you could not tell at first. On the other, about 30 days ago the float would not move correctly causing the toilet to not fill. These are manufacturing flaws with brand new valves. I'm using other brands now.
Date published: 2016-11-01
Rated 4 out of 5 by from It works! 4 stars for it appears cheaply made but works as expected. It has a small foot print al... It works! 4 stars for it appears cheaply made but works as expected. It has a small foot print allowing for easier installation especially in the small toilets of cookie cutter homes. I researched and was purchasing another more expensive brand when the store plumber expert explained that this one is less expensive and does not squeal, shrill or scream on the water refill. Big deal, we are either deaf or hard of hearing. I was not going to pay another high water bill because my toilets (3), flowed constantly. He explained the Fluidmaster had more adjustment with a smoother operation. Good grief, it is just a toilet. Even though, I do like the smooth transfer of this valves operation. I installed two of these high performance valves in thirty minutes. Caution: The plastic water supply hose cannot be tightened electrician tight, buy the metal ones and tighten carefully, you will save time and money in the long run. Product has been in service one month.
Date published: 2017-01-14
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