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🚽 Upgrade your throne with the #1 global fill valve—flush smarter, not harder!
The Fluidmaster 400A Toilet Tank Repair Fill Valve 2-pack is a top-selling, universally compatible replacement kit featuring an adjustable height from 9 to 14 inches. Made from durable, corrosion-resistant plastic, it ensures quick water refill and reliable performance. Certified to meet IAPMO standards with an anti-siphon design, it’s the trusted choice for easy, long-lasting toilet repairs.
| ASIN | B00G9OGNKC |
| Best Sellers Rank | #54,657 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #64 in Toilet Flush Valves |
| Brand | Fluidmaster |
| Brand Name | Fluidmaster |
| Customer Reviews | 4.6 out of 5 stars 196 Reviews |
| Exterior Finish | Plastic |
| Included Components | Fluidmaster - 39961000026 |
| Inlet Connection Size | 0.88 inches |
| Inlet Connection Type | Fill |
| Item Dimensions | 3 x 3 x 12.5 inches |
| Item Type Name | Fluidmaster - 39961000026 |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 3 x 3 x 12.5 inches |
| Manufacturer | Fluidmaster |
| Manufacturer Part Number | Fluidmaster - 39961000026 |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | Fluidmaster - 39961000026 |
| Number of Items | 1 |
| Number of Packs | 2 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.88 inches |
| Outlet Connection Type | Fill |
| Set Name | Fluidmaster Toilet Fill Valve Replacement Kit (2 Piece) |
| Size | 9 to 14 inches |
| Specification Met | IAPMO |
| Thread Size | 1/2 inch NPT |
| UPC | 685784211974 758399396678 |
| Unit Count | 1 Count |
| Valve Type | Toilet Fill Valve |
B**E
The Best, fast replacement and reliable!
Everything they say about Fluidmaster: easy to install, inexpensive and long lasting is true! The 400a model is the unit I prefer. IF replacing an existing Fluidmaster toilet flush valve it is minimal time and effort. Replaced my existing 11 year old unit in less than 5 minutes. I’ve become a member of the Fluidmaster family. I bought 2 to have one handy for my next 11 year replacement.
J**F
Gold standard of toilet fill valves, no frills, they just work
Gold standard for fill valves. These don't have the kludgy "leak sentry" gizmo that can get stuck, these are the no-frills works great model, simple and effective.
B**I
Excellent Product
I have two bathrooms and both of the flush valves suffered from the same issue. They would not stop running. I received a replacement for one of them under warranty and the replacement was one of this model. It worked perfectly so I decided to order TWO more of the exact same model. One in a spare and the other was installed in my second bath room. Could not be happier with the installation, and performance. I am 78 and the toilets are not easy to get to. But the installation was so simple that even I could do it.
D**N
Did the trick
It was just what we needed to replace the one that was leaking. Easily replaced. Hope it lasts and lasts.
B**Y
Fixes that ghost toilet
We have three American Standard toilets and all had issues with water continuously running. I was going to bite the bullet and call a plumber when youtube came to the rescue. Watched a 10-min video, identified our toilets as being American Standard, and ordered these parts. Shipping was fast and install a breeze and success; no more running toilets. Life span is from 2-3 years so I purchased a few as spares.
J**S
great product
great product
T**R
Backup
Great backup
M**G
Super Easy
Very easy to install. Works great.
C**M
Muy buena
De muy buena calidad
G**S
Magnífico
Muy practico, útil y de mucha ayuda
Trustpilot
1 month ago
5 days ago