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Prepare the closet flange by removing debris and installing new mounting bolts.
Apply a new wax ring to the toilet bowl and align it over the closet flange.
Connect the tank to the bowl using bolts, washers, and nuts, ensuring three points of contact.
Connect the water supply line to the fill valve, ensuring it is hand-tightened.
Steps for installing the new fill valve into the toilet tank.
Turn on the water supply and check for leaks after installation.