Fluidmaster Universal Toilet fill valve and 3-in flapper kit
Item #5226137 |
Model #K-400H-038-T4
Delivery
The 3 in Everything Kit offers all you need to fix your 3 in flush valve toilet in one repair kit
PerforMAX fill valve offers the fast and quiet refill, adjustable tank and bowl dials for customized water-use
Easy to install, universal design fits 3 in flush valve toilets
Adjustable fill valve height to fit more tanks
Helpful install tools included for the fastest installation possible
Toilet flapper dial turns to set water-use per flush and eliminate water waste
Durable, stainless steel hardware for a long lifespan
7 year warranty
General | |||
|---|---|---|---|
Series Name | Performax | Package Contents | 3 inch kit with Performax 2.0 |
Type | Toilet fill valve and 3-in flapper kit | ||
Features | |||
|---|---|---|---|
Hardware Included | Yes | Universal Fit | Yes |
Leak Detection | Yes | ||
Compatibility | |||
|---|---|---|---|
Brand/Model Compatibility | 3 inch kit with Performax 2.0 | For Use with Urinals | No |
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | |||
Warranty | |||
|---|---|---|---|
Warranty | 7-year | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 30181800 | ||
Check out the Best Selling Toilet Repair Kits on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
This universal toilet fill valve kit received mixed reviews. Some found it easy to install and effective at fixing toilet issues, while others had problems with compatibility and the included parts not working as expected. The quality of the components, especially the flapper, was a concern for some. The kit comes with many extra parts and tools, which can be helpful but also lead to confusion. Overall, this kit may work well for some toilet models, but it's not a universal solution and customers should verify compatibility before purchasing and have basic plumbing tools on hand.
Customer review summary generated by AI, including incentivized reviews.fixed my Champion 4
I purchased both the Korky and Fluidmaster repair kits since I have two American Standard Champion 4 toilets. The Fluidmaster came with tools (not included in Korky), very helpful. The parts were solid, the tank mount screws were slightly larger than the Korky. The Korky mount screws also were poorly machined and the main washer had some small artifacts from manufacturing. The Korky developed leaks at the main flapper mount (large hole). This was fixed by reinstalling. The flapper valve also w...
Verified PurchaserVerified Pro
don't buy
did not work . its design with the adjustable height leaked. check for leaks
Verified Purchaser
Read carefully with a partner…
Great product, except instillation guide should have been reviewed by the manufacturer as a usability test with real customers, not just engineers… steps out of sequence.
Verified Purchaser
Cheap, hard and leaky tank bolt seals.
Needed a tank to bowel gasket as the old one cracked so just got the full kit and replaced everything in the entire toilet. Noticed the old one had the same brand parts but the older fluid master tank bolts had a much nicer rubber gasket. I used the new ones anyway and sure enough the new ones don’t seal so I’ll have to take it back apart to reuse the originals. See picture. New garbage on the left old quality version on the right.
Fluidmaster would like the opportunity to learn more and provide help. To get help visit our website Fluidmaster.com where you can find product infor...

All in one
It fit perfectly. It came with helpful tools for the job.
Verified Purchaser
Easy to follow instructions.
I liked the product included all the tools required for installation.
Verified Purchaser
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Fluidmaster would like the opportunity to learn more and provide help. To get help visit our website Fluidmaster.com where you can find product infor...