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How to Fix a Running Toilet

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey halts the steady trickle sounds of a broken toilet

In this video, This Old House plumbing and heating contractor Richard Trethewey explains how to fix a running toilet.

Steps:

1 Turn off the water at toilet's shut-off valve.
2 Remove the rubber flapper from flush valve inside the tank.
3 Inspect flapper for damage or discoloration.
4 Check location of float on chain; adjust float to height of water level.
5 If adjusting float doesn't solve problem, or if there is no float, install a new flapper.
6 Flush toilet and check to ensure new flapper creates watertight seal with flush valve.