Deans Home Services | Minnesota's Premier Home Services Company

Why Won’t My Toilet Stop Running?

There could be a few reasons why a toilet runs consistently or runs off and on. It’s important to find out as quickly as possible and fix the problem because a running toilet could result in astronomical water bills or even a flooded bathroom! In fact, a running toilet could cost the average family as much as $1,000 in added water bills each year (not to mention the thousands of gallons of wasted water).

leaking toilet

You can check a few things yourself but it’s always best to rely on a dependable plumber to correctly diagnose the problem. So why won’t your toilet stop running?

Leaks in or Around the Toilet

A slow leak can end up costing thousands of dollars if not diagnosed and repaired properly. If your toilet is running and you can’t see an evident leak, be safe and add food coloring to the toilet bowl before you go to bed in the evening. If the water is clear the next morning, your toilet is leaking. Leaky toilets are difficult to repair without the help of a qualified plumber.

Faulty or Broken Toilet Parts

There are many different parts that all work together inside your toilet. If the toilet is leaking, start checking each of the following to make sure they are in working order:

The Toilet Flapper

This is by far the most common reason for a leaky toilet. The rubber parts of the toilet flapper wear down over time and will ultimately lose their seal causing improper closure.

The Water Line Adjuster

An incorrect water line inside the tank is the next most common cause of a leaky toilet. If the water fills below or above the water fill line, it will cause the toilet to leak. Check the float ball to make sure there’s no water inside. If there is, it needs to be replaced. If not, adjust the height of the float ball to lower the water level.

The Toilet Chain

The toilet chain raises and lowers the flapper at the bottom of the toilet tank. The chain has to be the exact length necessary to raise the flapper but lower it enough to completely seal the drain at the bottom of the tank. If the chain is too long it won’t lift properly and if it’s too short, it won’t replace the flapper completely.

The Toilet Handle

Finally, a toilet handle that isn’t functioning properly can cause leak issues. If it sticks or is too loose, it is probably time to replace the handle.

The most important thing is to properly diagnose the problem and fix it as quickly as possible to avoid wasting water and money and even avoid water damage if the toilet floods. For dependable, expert plumbing advice, call Dean’s Professional Plumbing, Heating, and Air.

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