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Title: Mixed Results
Review: I am happy to see several content albeit not handyman customers. After installing a number of these 400A's, I would say you have a 50-50 chance getting a functional one. I just installed another one and the float doesn't float! Therefore the valve kept shooting more water every 30 seconds until it overflowed the tube. What should I expect, cheap product, cheap results.If you review the Korky Quietfill Valve here on Amazon, you'll find numerous Fluidmaster 400A being tossed for them. Much better construction and overall dependable function. Also, if you don't have a water descaler like found at www.stopwaterscale.com, then you will get scum build-up on the 400A in a couple years sufficient to require another replacement of the Fluidmaster. The sliding float gets caught if the center tube is slimmed with scale, which causes it to fail. The Korky Quietfill Valve has no such problems and should last as long as your water softener membrane, which is subject to city water chemicals.
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