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Fluidmaster 400A Anti-Siphon Toilet Tank Fill Valve
From the Manufacturer
Fluidmaster is the #1 toilet repair brand in the world. Fluidmaster parts are found in more toilets than all other brands. The customer’s first choice and preferred supplier of toilet tank trim since 1957. Fluidmaster’s complete line of toilet repair parts includes; fill valves, flush valves, flappers, tank levers, dual flush valves, bowl wax, toilet repair kits, seals, connectors and more. With manufacturing facilities across the world, Fluidmaster reaches over 90 countries worldwide with unparalleled quality.
larry simmons
Reviewed in the United States on March 8, 2025
Exact replacement, very high quality, great directions. When I need another this will be my choice
Yesenia Lezcano
Reviewed in the United States on March 4, 2025
Fluidmaster!! The name says it all. No fuss install and works like a charm!
R&P
Reviewed in the United States on February 25, 2025
This style valve has been around a for a while now, and sure is a game changer from the old all-metal valves of 40 plus years ago. Not only do they give a good service life, but when they do fail, it's usually the rubber diaphragm valve that begins to leak, and that's an inexpensive replaceable component, done in minutes, without having to take the whole thing apart. It's also highly adjustable for varying water levels.I'm a fan!
Terry
Reviewed in the United States on January 28, 2025
Quite a bargain!!This is a universal product that can be adjusted to work in almost every typical toilet tank. Less than ten minutes to install.
Michael
Reviewed in Canada on January 25, 2025
I fixed a noisy toilet valve by replacing it with this one. Only issue I ran into was having to take the top tank off to access the locking nut for the old one. Works great. Installation was easy. I just matched the height to the old one. Much quieter now!
Nunca llegó.
Reviewed in the United States on January 20, 2025
Works perfect.Easy installation.No leaks.Great price.
Excelente!. Llegó antes de tiempo!
Reviewed in Mexico on January 10, 2025
Muy funcional.Resolví el problema del llenado de mi tanque-taza
Juan
Reviewed in Mexico on August 26, 2024
Muy buen producto por el precio, fácil de usar y quedó super bien en mi tanque pequeño pero largo
Jay
Reviewed in the United States on August 21, 2024
I recently had to replace the fill valve in one of my toilets and decided to go with the Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve based on its strong reviews and reputation. I'm thrilled to say it lived up to every bit of the hype.Installation:The installation process was surprisingly straightforward, even for someone who isn’t a DIY expert. The instructions were clear and easy to follow, and the universal design meant it fit perfectly in my tank without any fuss. I appreciated the included parts and tools, which made the job even smoother.Performance:The 400A model performs exceptionally well. The anti-siphon feature is a game-changer, ensuring no contamination of the water supply—an important factor for both safety and efficiency. The fill rate is excellent; it refills the tank quickly and quietly, with no annoying gurgling or noise.Value for Money:Given its performance and reliability, the Fluidmaster 400A is a fantastic value for the price. It’s a cost-effective solution that delivers high-quality results, and I’m confident it will continue to perform well for years to come.Overall:If you’re dealing with a leaky or inefficient fill valve, I highly recommend the Fluidmaster 400A. It’s reliable, easy to install, and does exactly what it promises. My toilet’s performance has improved significantly since the replacement, and I couldn’t be happier with this purchase.
Bradley
Reviewed in the United States on December 30, 2024
A toilet in my house was constantly trickling water into the bowl. It was tough to estimate how much water I was wasting, but it was running 24/7 so I bet it was material. When I looked inside the tank it was clear that the flapper was very old so I started there - easy peasy replacement, but the problem persisted. I then realized the valve wasn’t fully shutting off - even when the float was elevated there was water coming into the tank and eventually going into the overflow tube. This valve was an exact replacement and took about 15 min to install with no tools needed. Price is right and problem is solved. I’m thinking that our hard water is fouling up the valve over time so I’m glad this is an inexpensive and easy repair.
b
Reviewed in the United States on April 2, 2024
Never had to do this before, first time. I was able to install it in about 30 minutes. I did about an hour of research before purchase to make sure I bought the right part as I wasn’t sure if this would replace the toilet fill valve & ballcock in my Mansfield toilet.. this part worked perfectly.The instructions say sponge/towel is optional but I think it’s mandatory. It’s hard to get all the water out of the tank. When you take out the old fill valve, the rest of the water in the tank will just fall out of the hole from removal of the fill valve. So just keep a bucket under the hole to catch the water that drains out. A towel on the floor behind the toilet under the fill valve hole will ensure you don’t get the wall and floor covered with water.Also be sure to measure the height of the fill valve and make sure it’s at the right height before fully installing it. Once the fill valve is installed and water is placed in tank, the only way to adjust the height of the fill valve is to take it out and start over.. which requires draining the tank again and removing the locking washer. So measure twice before installing.I like the fill valve because it’s quiet and does a good job. Only installed it a few days ago but seems to be doing well so far. Price is also reasonable. Wish it was made in USA, but other than that seems like a good product.
Debra B.
Reviewed in the United Kingdom on May 8, 2016
Searched all my local plumbers none of them had this so ordered through Amazon.Arrived quickly and it took me all of 5 minutes to install. Brilliant product would highly recommend.
ALESSANDRO
Reviewed in Italy on November 16, 2014
E' consigliabile mettere il diametro della filettatura in basso (3/8"), dalla foto e dalla descrizione del prodotto non si capisce.
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