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Title: Best ballcock on the market
Review: I have been a self-employed plumber for over twenty five years and have installed hundreds, if not thousands of fluidmaster #400 A ballcocks. In all that time, I have never had one that was defective, and I buy them 25 to the case. They are ,in fact, the least expensive most reliable unit on the market today. No offense to the other reviewer, but you have installed the unit incorrectly or there is something else wrong with your toilet.
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