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Check Water Level Against Overflow Tube — Check Fill Valve Operation

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Running Toilet Repair · Step 6 of 9

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To begin troubleshooting, observe the water level inside your toilet tank. Determine whether the water level is rising above the top of the flush valve overflow tube. This initial observation will help diagnose if the fill valve is set too high, causing overfilling, or if there's a flapper leak allowing water to escape, causing the fill valve to activate unnecessarily.

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Korky Toilet Repair

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issue determine whether or not the water level on the toilet tank is rising above the top of the flush valve overflow tube if the water level is rising above the top of the flush valve overflow tube

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