"How do I stop s running toilet"に関する回答Best Flushing Toilets You will also need a replacement fill valve and toilet flapper. Examine the Fill Tube. A weak flush or nearly empty bowl occurs when your tube is disconnected. Set the Fill Height by Examining the Float. Set the Handle and Chain of the Toilet. Repair Any Bent Lift Arm in a Toilet. Get a New Flapper for Your Toilet.