Test Flush and Adjust Float
At 7:56 in
Weak Kohler Toilet Flush-EASY FIX!...How to Replace a Flapper With Float
What happens here
After initial adjustments to the flapper chain, turn the water supply back on to the toilet. Allow the tank to fill completely. Once full, perform a test flush to observe the flapper's operation and the toilet's water level. If the flapper does not seal properly, leading to a running toilet, or if the water level is too high or low, further adjustments are needed. In this case, the presenter finds the flush is still not ideal, indicating the need to lower the float. To do this, remove the flapper by unhooking it again. Then, locate the small black retainer clip on the blue float attached to the chain. Slide this clip down to a lower position on the chain. This effectively lowers the float's position, causing the flapper to close earlier and potentially improve the flush. Reinstall the flapper and retest.
Goal: Verify proper toilet function after flapper installation and fine-tune water level via float adjustment.
Tools and materials
- Flapper with Float Kohler — The assembly requiring adjustment
- Toilet Shut-off Valve — To turn the water supply back on for testing
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