Fluidmaster 400CR Universal Toilet Fill Valve and 2" Toilet Flapper Repair Kit, New, 1-Pack
Fluidmaster 400CR Universal Toilet Fill Valve and 2" Toilet Flapper Repair Kit, New, 1-Pack
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Fluidmaster 400CR Universal Toilet Fill Valve and 2" Toilet Flapper Repair Kit, New, 1-Pack

4.5 stars out of 170 reviews
(4.5)|
170 ratings

Key item features

  • Quick Fix: Quickly fix cracked fill valves and leaky flappers with the Fluidmaster 400CR Universal Toilet Fill Valve and 2 in. Toilet Flapper Kit
  • Easy Installation: Easy to install, making it perfect for a DIY upgrade
  • Universal Design: Universal design fits most toilets, solving common noise and running toilet problems
  • Secure Seal: Solid frame flapper won't bend, ensuring a secure seal with every flush
  • Durable Materials: Made with corrosion-resistant materials and built-in Microban to fight bacteria
  • Top Choice: The consumers' top choice for toilet fill valve and toilet flapper replacement
  • Complete Kit: Includes the trusted Fluidmaster 400A toilet fill valve and the rugged Fluidmaster 501 2 in. flapper
  • Anti-Siphon Design: Features a code-approved anti-siphon design to solve most common toilet fill problems
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Current price is $24.92
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Columbus, 43215
Arrives by Thu, Feb 12
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Sold and shipped by Max Warehouse
4.417387634522051 stars out of 5, based on 9478 seller reviews(4.4)
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Customer ratings & reviews

4.5 out of 5 stars
stars170 ratings80 reviews
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Reviews summary

Pros
  • : Offered at a lower cost compared to similar items.
  • : Adjustments made with a knob.
  • : Fixes water issues in older toilets.
Neutral
  • : Can be sturdy, but also prone to defects.
Cons
  • : Does not replace old ones properly.
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Showing 1-3 of 80 reviews

Jun 7, 2021
jb
5 out of 5 stars review

Verified Purchase

Easy to install,works great

I am a 66 years old female and This was the easiest fill valve and flapper I've ever installed , just a few minutes and it was running , its not quiet like it says but the fact it works is easy to set , and install ,i can tolerate the sound (pardon my well water)

Helpful?51IJ6C7PPQTG19216431
Jan 19, 2026
kayla
Item details
Color: Multicolor
Sold and shipped byMEGA MINDS TECH LLC
5 out of 5 stars review

Verified Purchase

It's a lot quieter than the traditional piece. I also like that it doesn't use the float ball at all. With my old installment, it didn't last more than 5 months before it started leaking and had to be replaced. Even then I was having an issue with the flapper not keeping the water from running into the bowl constantly on the initial installment, in turn having water running into the bowl all the time too. But with this one, I'm having no issues at all.

Helpful?51IJ6C7PPQTG19216431
Dec 18, 2012
Knightsfan
5 out of 5 stars review

Verified Purchase

Easy Installation - Problem Solved

This installation was incredibly easy! The hardest part was getting the water out of the tank. My old fill valve wouldn't shut off completely so the water was running constantly. This new one fixed the problem immediately so I'm very happy. TIP: Be sure to use the provided "clip" to attach the fill hose to the fill tube. I thought the tank would fill more quietly if I put the hose down into the tube, but Fluidmaster's instructions says don't do that b/c if you get the hose below the water line, you could create a siphon problem.

Helpful?51IJ6C7PPQTG19216431