This repair can fix problems like having a toilet ... With the new fill valve in hand, insert the base into the opening on the inside of the tank. You may have to add a rubber washer to the ...

A running toilet ... old fill valve: Unscrew the water supply line and loosen the lock nut holding the valve in place. Install the new valve: Follow the instructions provided with your replacement ...

Is my fill valve or float ... quickly fix most running toilet issues. However, it’s a good idea to double-check the packaging just in case your model requires exact replacement parts.