How to Install a Korky® Universal 3 Inch Toilet Flapper
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How to Install a Korky® Universal 3 Inch Toilet Flapper


Today I will be your personal guide, in installing
the universal 3 inch adjustable flapper. The flapper is adjustable for optimal flush performance.
The first step is to shut off the water supply to your toilet. Then flush your toilet. Then
mark the water level with a pencil and drain the excess water. Remove the old flapper and
install the Korky 3 inch adjustable flapper. Attach the flapper ears to the tabs on the
flush valve. If you have a Kohler Cimmaron Toilet rotate the legs to fit the flush valve.
If you have a Mansfield toilet after 2008, one flush valve peg may be larger than the
other. You may need to remove the old red arm on the side that attaches to the larger
leg. Install the black arm by sliding it over the rubber post and pulling tight. Then attach
the flapper chain to the flush lever with minimal slack. Turn the water supply on and
let the tank fill completely. Now, turn off the water and flush. If the water level drops
within a half inch of the pencil mark your installation is complete. If the water level
is below the pencil line, adjust the arrow on the white band of the flapper to a lower
number. If water is above the pencil line adjust the white band to a higher number.
For the most popular toilet settings, see the back of the flapper card. And turn your
water supply on and let the tank fill completely. Now turn your water supply off and flush.
If the water is still not within a half inch of the pencil mark, repeat the process by
turning the water supply on and let your tank fill completely. Then turn your water supply
off and flush. The dial can be further adjusted until the water level is within a half inch
of the pencil mark. If you need further assistance with the installation of the Korky 3 inch
adjustable flapper, please visit our website or contact us at 1 800 LAVELLE.

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