Guide to Home Toilet Repair

This guide to home toliet repair tells you how to fix basic toilet problems, including a detailed diagram and troubleshooting information.

| November/December 1986

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    Toilets are easy to fix: All the working parts are right under the lid.

  • 102-108-01

Toilet trouble on the home front?

Most of us would agree that sanitary facilities are best unseen and unheard. So, when your once-faithful toilet breaks down, it's no wonder if you call in a professional.

Guide to Home Toilet Repair

Before you do, though, consider tackling your home toilet repair job yourself. After all, the residential toilet consists of just two main parts: the water tank and the bowl. Any mechanical problems you'll meet will be in the tank, because that's where the plumbing is. The bowl has no moving parts and succumbs only to stoppage or seal failure at the closet flange, where it's bolted to the floor.

Begin by removing the tank lid and setting it in a safe place (it's probably made of vitreous china and may crack if dropped). If sluggishness or clogging isn't a problem, flush the commode and watch what happens. Ideally, the stopper or flap ball will lift, releasing flush water to the bowl; simultaneously, as the water level in the tank drops, the float will drop, opening the ballcock valve to let fresh household water flow into the now-empty tank through a filler tube. At the same time, a refilltube refills the bowl's reservoir through an overflow pipe. 

Once you've released the flush handle, the stopper ball falls back into its seat . . . and the water level in the tank rises, raising the float and closing the ballcock valve. Should the ballcock malfunction, the overflow pipe will drain excess water into the bowl and eventually out the plumbing waste pipe.

Now for the problems. If water keeps running after a flush, either the ballcock valve is damaged, the float is set too high (or has a leak), the float mechanism is hanging up on another part, or the stopper ball isn't seated properly. You can determine what's wrong without draining the tank simply by examining the float arm or the stopper rod or chain. Adjust or bend the arm so the maximum water level is about one inch below the top of the overflow pipe and so the float can rise and fall freely. If possible, remove the float and shake it; if there's water inside, replace the float.

1/1/2014 4:46:04 AM

Every would do it easily, but your advice made it even more simple.

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