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Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit

Curated from 53 real Reddit conversations

Refreshed on: March 20, 2025

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Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit

Brand: Fluidmaster
Price: $14
Snoop Score:
6.7
Sentiment
5.0
Popularity
4.5
Technical
7.6
Buy on Amazon for $14See All Toilet Spare Parts Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit is designed to fix common toilet problems by replacing outdated fill valves and cracked flush valves. This kit includes a high-performance, quiet flush valve and is easy to install without the need to remove the toilet tank, making it suitable for most toilet models. Consumer feedback highlights the reliability and performance of the Fluidmaster, with users noting that "the fluidmaster still is the quietest one" and expressing a preference for its simplicity and ease of repair. However, some customers have raised concerns about the durability of certain components, with remarks such as "anything that is rubber is falling apart, leading to leaking". Despite these issues, many praise its overall quality, stating it is their "go to choice." In conclusion, the Fluidmaster PerforMAX Repair Kit is recommended for those seeking a reliable and quiet toilet repair solution. While there are some concerns about component durability, the positive feedback on its performance and ease of installation makes it a strong contender in its category.

Not for you? Check out our other rated Toilet Spare Parts

Guess what. The fluidmaster still is the quietest one.

Positive Feedback

Korky is the absolute worst quality.

Negative Feedback
Product
6.7
Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit
Buy on Amazon for $14
Residential Use
10 / 10
Commercial Applications
9 / 10
Repair and Maintenance
10 / 10
DIY Projects
5 / 10
See how this compares to all Toilet Spare Parts

What it does well!

Key strengths users can’t stop talking about.
Fluidmaster is quiet and reliable
“Guess what. The fluidmaster still is the quietest one.”➕
“My go to choice is Fluidmaster with the brass shank :)”➕
“i stand behind the fact that the brass shank is worth the extra couple dollars.”➕
Fluidmaster is simple and easy to repair
“Yeah and I really like fluid master's simplicity and repairability.”➕
Fluidmaster offers reliable performance
“Best quality imo.”➕
Fluidmaster is preferred by users for reliability
“Personally I prefer Fluidmaster.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Korky fill valves are unreliable
“Korky is the absolute worst quality.”➕
“Will never choose a corky.”➕
Fluidmaster components can break down quickly
“Basically anything that is rubber is falling apart, leading to leaking.”➕
Fluidmaster components can be made of inferior materials
“Even fluidmasters best valve is made of sh@t.”➕
Parts can be bad out of the box
“Big box store replacement parts are sh*t.”➕
“Its like we just invented the toilet.”➕
Korky recommended over Fluidmaster for specific models
“Stick with Korky on Toto.”➕
“TOTOs can be finicky when it comes to parts, and like a Kohler, always do better then aftermarket parts.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Fluidmaster K-400H-039 Toilet Fill Valve and Flapper KitFluidmaster K-400H-039 Toilet Fill Valve and Flapper Kit$15
9.2
DetailsBuy
Fluidmaster 400ARHRKP10 PerforMAX All in One Repair KitFluidmaster 400ARHRKP10 PerforMAX All in One Repair Kit$16
8.9
DetailsBuy
Hidnvefen 3 Inch Toilet Flapper ReplacementHidnvefen 3 Inch Toilet Flapper Replacement$7
8.1
DetailsBuy
Houpeoro Universal Toilet Flusher Replacement KitHoupeoro Universal Toilet Flusher Replacement Kit$15
8.0
DetailsBuy
Hidnvefen Toilet Flapper Replacement KitHidnvefen Toilet Flapper Replacement Kit$9
7.9
DetailsBuy
Fluidmaster 400H-002 Performax Universal Toilet Fill ValveFluidmaster 400H-002 Performax Universal Toilet Fill Valve$14
7.7
DetailsBuy
Hidnvefen Toilet Handle Replacement KitHidnvefen Toilet Handle Replacement Kit$8
6.8
DetailsBuy
Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair KitFluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit$14
6.7
DetailsBuy
VRSS Toilet Flappers Replacement for 3 Inch Outlet PipeVRSS Toilet Flappers Replacement for 3 Inch Outlet Pipe$5
6.5
DetailsBuy
R&T Toilet Fill Valve Replacement KitR&T Toilet Fill Valve Replacement Kit$18
6.0
DetailsBuy
Lychee Light Dual Flushing Toilet Push Button ReplacementLychee Light Dual Flushing Toilet Push Button Replacement$27
5.7
DetailsBuy
Jabsco 29043-0000 Manual Toilet Spare Parts Base Valve GasketJabsco 29043-0000 Manual Toilet Spare Parts Base Valve Gasket$24
5.2
DetailsBuy
Shutao 2 Set RV Toilet Seal Kit for Dometic ToiletsShutao 2 Set RV Toilet Seal Kit for Dometic Toilets$11
4.4
DetailsBuy
FATCANMA RV Toilet Rubber Seal Kit ReplacementFATCANMA RV Toilet Rubber Seal Kit Replacement$9
4.4
DetailsBuy
Leopauto 31705 RV Toilet Spare Parts Water Valve KitLeopauto 31705 RV Toilet Spare Parts Water Valve Kit$13
3.1
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Discussion about different sizes of fill valves
“I got that fluid master kit, no complaints so far.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion about switching flapper chains
“Can it be switched out fir a chain one?”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about compatibility of universal toilet parts
“do you think a universal fluidmaster kit would be able to replace all the inside parts of this toilet tank?”➕
“The flapper. Isn’t a universal one.”➕
“Find a model number of the toilet and go from there.”➕
“No that's a kohler toilet and a specific flapper.”➕
Advice on replacing flush valves before the flapper
“The flush valve gets a hard water lime build up, so try replacing this first if the flapper doesn't work.”➕
Discussion about bulk purchasing for cost savings
“I was telling an apprentice about buying 10 at a time to keep on hand, and how much that purchase nets us, its unreal.”➕
Discussion about installation challenges
“there's not much difference between big box store parts and supply house parts.”➕
“Are you sure you have the rubber seal in the correct location?”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion about the differences between Fluidmaster and Korky
“They consistently will run water over the overflow tube and I try to reset the float and I can eventually get it to work but it's all the time.”➕
“Not a single issue. Much quieter than whatever was in there before.”➕
Discussion about toilet cleaning tablets damaging plastic components
“The problem is that they also dissolve the plastic and rubber of the internals.”➕
Discussion about water quality affecting Fluidmaster performance
“Has to be a water quality issue.”➕
Discussion about the decline in quality of toilet internal parts
“I’m convinced the quality of everything sold in stores has just gone so far down hill, that the parts manufacturers expect this, but come on, not even making it three years?”➕
Discussion about the longevity of toilet parts
“I'm just surprised that I had better luck with the stock - contractor grade parts.”➕

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