Ratings may include incentivized customer reviews.
What Customers Are Saying
The flush valve is a reliable and affordable solution for fixing running toilet issues. Many customers found it easy to install without a plumber, and it effectively stops the tank from continuously filling after a flush. However, some noted that the included parts did not fully match their existing toilet setup, requiring additional purchases. Overall, with the right installation, the valve works well and restores the toilet to like-new operation.
Customer review summary generated by AI, including incentivized reviews.As advertised
Worked well
Repair By Replacement - Perfect Match
Would RecommendReplaced a failing flush valve with this without any issues. Unable to utilize the chain due to a handle that needs replaced, but it functions exactly as it should and creates a perfect seal.
NOT COMPATIBLE WITH MANSFIELD GASKETS
Would Not RecommendDo NOT buy this if you are using the official Mansfield or Korky 453 Tank to Bowl Gasket! For whatever reason, this off-brand decided to use a hexagonal plastic tightening nut for the drain pipe instead of following the same design as the Mansfield and Korky cylindrical tightening nut. This hexagonal shape prevents the Mansfield and Korky tank to bowl gasket from getting a tight seal against the bottom of the tank no matter how much you stretch the gasket or tighten the mounting bolts, resulting...
okay
Would Recommendit installed
Poor fit
It did not fit my Mansfield toilet
We appreciate your feedback and apologize for any disappointment. If you're still experiencing issues, please reach out to us at technical@oa...

Get store help for parts
Perfect
Always talk with Lowes staff to help with projects
Would RecommendWorks well and was easy to install
Easy to use, easy to install
Would RecommendEasy to use, easy to install
Buy this flush valve for Mansfield toilets
Would RecommendI have several Mansfield Toilets. The flush valve has stopped the tank from filling after a flush. This product is a direct OEM replacement that fixes the issue.
Fits perfect and resolved the leaky issue
Would RecommendFits perfect and resolved the leaky issue
Excellent
Would RecommendPerfect replacement for the Mansfield toilet.
see if replacing the red gasket only will fix it.
Would RecommendEasy to install. Should have come with the under tank gasket as well.

We appreciate your feedback and regret that your experience wasn’t a positive one. If you’re encountering ongoing issues, our Technical Team is avail...