🚽 Upgrade your flush game — efficiency meets durability!
The Fluidmaster K-400H-040-T5 PerforMAX Fill Valve and 3-Inch Flapper Kit is a premium toilet repair solution designed to restore your 3-inch flush valve toilet to like-new performance. Featuring WaterSense certification for water efficiency, universal compatibility, and a durable float valve, this kit ensures reliable, leak-free operation. Made in the USA and backed by a 7-year limited warranty, it’s the smart choice for both professional and DIY toilet maintenance.
| Material | Plastic |
| Brand | Fluidmaster |
| Item dimensions L x W x H | 3.74 x 6.89 x 14.37 inches |
| Inlet Connection Size | 2 Inches |
| Inlet Connection Type | Threaded |
| Outlet Connection Type | threaded connection |
| Outlet Connection Size | 2 Inches |
| Specification Met | ASME B16.34, UPC, WaterSense |
| Valve Type | Float Valve |
| Global Trade Identification Number | 00039961031822 |
| Manufacturer | Fluidmaster |
| UPC | 039961031822 |
| Part Number | K-400H-040-T5 |
| Item Weight | 14.9 ounces |
| Product Dimensions | 3.74 x 6.89 x 14.37 inches |
| Country of Origin | USA |
| Item model number | K-400H-040-T5 |
| Size | Universal, for 3 In. |
| Color | Multicolor |
| Installation Method | Toilet |
| Item Package Quantity | 1 |
| Usage | Inside; Amateur, Inside; Professional |
| Included Components | PerforMAX Toilet Fill Valve, 3-Inch Flapper |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 7 Year Limited |
B**P
Works to solve a problem
Solved the problem and easy to install.
K**Y
Great product and easy to install
Our toilet started to run and I was a bit apprehensive to fix it myself but this kit was super easy to follow and didn’t take long to install by myself. I was able to change all 3 toilets in our house in a matter of a few hours
J**D
Typical Fluidmaster quality, but increased fill valve performance?
The stock fill valve and flapper on my Kohler Cimmaron were over 10 years old and in need of replacement. I bought this combination kit, as I was familiar with the performance of other Fluidmaster products. Installation was straightforward, typical of other Fluidmaster products. Adjustments were as advertised, easily made with desired effects. That being said, I could detect no marked increase in the PerforMAX fill valve’s ability to fill the tank after a flush. Admittedly, I didn’t use a stopwatch with the factory fill valve and compare it to this one… it’s just a fairly frequent occurrence, and I found this fill valve filled the tank with speed comparable to the factory’s fill valve.
T**1
Works great
Easy to install replacement part
N**Y
As described
Seal locks in perfectly. The chain was longer than expected but easy to mount correctly. Great price.
R**W
quiet toilet
problem solved easy to install
M**C
Best DIY Home Repair Kit I’ve ever used
Normally when I try to fix things around the house, I end up making it worse - especially with plumbing. I bought this to give it a go and see if I could finally fix something.This kit is literally the best DIY home repair kit I’ve ever seen. The instructions are dummy-proof and so helpful. It gives you every step, labels every piece, and makes the repair SO easy.My toilet doesn’t run anymore, I didn’t have to call a plumber, and my wife is happy. I want another toilet to break so I can order this again. It’s great.
D**E
Great!
Bought the wrong size flapper (my fault). But the float and filler work great. Great replacement for my 20+ year old piece. Adjusting to stop the water flow and the pull chain took a little bit, but I amSatisfied over all
Trustpilot
2 days ago
1 month ago
