Step 1 of 4 · How a Toilet Actually Works
Handle, chain, flapper
Handle, chain, flapper — step 1 of 4 in How a Toilet Actually Works. Handle is a lever. Chain lifts the flapper off the flush valve seat. Tank water falls into the bowl through the rim and jet.

Free home & diy tip: Handle, chain, flapper (step 1 of 4 from "How a Toilet Actually Works").
Handle is a lever. Chain lifts the flapper off the flush valve seat. Tank water falls into the bowl through the rim and jet.
Too much chain slack = weak lift. Too tight = flapper won't seal (running toilet).
You'll need
- Lid off safely
- Flapper and chain identified
- Flush valve seat spotted
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