This guide teaches you how to replace a toilet flapper and detect when you have a leaking toilet flapper. Before you go out and buy a replacement toilet flapper, find out how to clean the flapper or adjust the chain to ensure it seals properly. If your toilet keeps running, you may have a leaky toilet flapper Fluidmaster show you how to fix this problem. The flush valve seal, also known as the flapper, is a rubber or silicone component that sits at the bottom of the flush valve Its primary job is to create a watertight seal, preventing water from leaking into the toilet bowl when the tank is full
Over time, the seal can wear down, become brittle, or get damaged, leading to a leak.
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