Hero image 0 of Fluidmaster K-400H-039 PerforMAX Toilet Fill Valve and 2" Flapper Repair Kit, Plastic, 1-Pack, Height 13.9in, 0 of 7
100+ bought since yesterdayOverall pick
Fluidmaster K-400H-039 PerforMAX Toilet Fill Valve and 2" Flapper Repair Kit, Plastic, 1-Pack, Height 13.9in
Fluidmaster K-400H-039 PerforMAX Toilet Fill Valve and 2" Flapper Repair Kit, Plastic, 1-Pack, Height 13.9inFluidmaster K 400H 039 PerforMAX Toilet Fill Valve and 2 Flapper Repair Kit Plastic 1 Pack Height 13 9in2 pack Fluidmaster K 400H 039 PerforMAX Toilet Fill Valve and 2 Flapper Repair Kit Plastic 1 Pack Height 13 9in4 pack Fluidmaster K 400H 039 PerforMAX Toilet Fill Valve and 2 Flapper Repair Kit Plastic 1 Pack Height 13 9in
Pack Size:Single
Key item features
- Top Choice: The Fluidmaster K-400H-039 Repair Kit is the top choice to make your 2 in. flush valve toilet run like new.
- Adjustable Water Levels: PerforMAX high performance toilet fill valve offers adjustable tank and bowl water levels for full water control.
- Easy Installation: Fast and easy to install, designed to fit 2 in. flush valve toilets.
- Height Adjustable: EZ-twist adjustable fill valve height to fit more tanks, ranging from 10 in. to 15 in.
- Corrosion Resistant: Features a corrosion resistant flapper with a solid frame to eliminate twisting and leaks.
- Water-Saving: Includes the PerforMAX Water-Saving Toilet Flapper with an adjustable dial to customize water use.
- Durable Materials: Made with hard water resistant materials and built-in Microban technology to fight bacteria and breakdown.
Generated by AI
Specs
- FeaturesDurable, Easy Installation
- Weight0.85 lb
- Assembled product height13.9 in
- MaterialMetal
Reviews summary
Pros
- : Easy to follow with simple steps.
- : Offers good value for the money.
- : Fits toilet dimensions precisely and easily.
- : Allows for height and shut-off adjustments.
Neutral
- : Can be effective, but may have issues with leaks or slow flushing.
- : Can be effective, but may not fit all models properly.
Generated by AI
Current price is USDNow $16.97
You save $7.02
was $23.99$23.99
You save$7.02
Price when purchased online
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Starting from $22.21
About this item
Product details
The Fluidmaster K-400H-039 PerforMax Toilet Fill Valve and 2 in. Flapper Kit offers a high performance, saving-water replacement for your faulty fill valve and flapper. Quickly solve common toilet problems such as and noisy or running toilet fast. With EZ-Twist height that adjusts from 10 in. to 15 in. to fit most any tank. Also, featuring the PerforMAX Water-Saving Toilet Flapper, which featuring an adjustable dial to customize your water use depending on your needs. The solid frame ensures a secure seal, while the hard water resistant materials and built-in Microban technology fight bacteria and breakdown.
- The Fluidmaster K-400H-039 Repair Kit is the top choice to make your 2 in. flush valve toilet run like new
- PerforMAX high performance toilet fill valve offers adjustable tank and bowl water levels for full water control
- Fast and easy to install, designed to fit 2 in. flush valve toilets
- EZ-twist adjustable fill valve height to fit more tanks
- Corrosion resistant flapper
- Solid frame flapper to eliminates twisting and leaks
- 7 year warranty
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Features
Durable, Easy Installation
Weight
0.85 lb
Assembled product height
13.9 in
Material
Metal
Warranty
Warranty information
5 Year Limited Warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Easy to follow with simple steps.
- : Offers good value for the money.
- : Fits toilet dimensions precisely and easily.
- : Allows for height and shut-off adjustments.
Neutral
- : Can be effective, but may have issues with leaks or slow flushing.
- : Can be effective, but may not fit all models properly.
Generated by AI
Customer images
Sort by |
Showing 1-3 of 364 reviews
Jan 11, 2026
Tman
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Fluidmaster Repair Kit
The Fluidmaster flapper repair kit worked well and stopped the leak immediately. The Instructions were clear and easy to follow, making installation quick even for a beginner. After installing, the toilet flush was smooth and consistent with no more running water. The flapper had a good fit change compared to the old one, sealing better and improving overall performance. Overall, a solid and affordable fix.
Helpful?442U91TTOHKL379610673
Dec 24, 2025
Rene
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Does the job well!
It's working perfectly! I had a faulty one and needed to replace it. Toilet plumbing work isn't fun but this was a fairly easy install, definitely doing its job. This brand was highly recommended from my friend that said they last a very long time, perfect!
Helpful?442U91TTOHKL379610673
Sep 9, 2025
Lifeafte
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
I have had this type of valve for many years which makes the installation of the working parts very simple. I just turned off the supply valve at the wall,drained the tank. Released the clamp on the old valve,slid it up and off and slid the new valve down on the stem, locked it in place with the ring and adjusted it to match the old one. Always replace the rubber flapper as it snaps in place and finish the job. I keep the stem and seal in case it might need to be replaced but so far it has been years since I put the first one in.
Helpful?442U91TTOHKL379610673
