Why does my toilet keep running on and off?

A toilet that cuts on and off by itself, or runs intermittently, has a problem that plumbers call a “phantom flush.” The cause is a very slow leak from the tank into the bowl. The solution is to drain the tank and bowl, check and clean the flapper seat and then replace the flapper if it’s worn or damaged.

Is toilet refill tube necessary?

The refill tube is an integral part of the system, as it tells the overflow tube how much water to input into the bowl. Without a properly functioning refill tube, the toilet bowl will either have no water, or overflow with too much water.

What is the purpose of the overflow tube in a toilet tank?

An overflow tube is a vertical tube inside the tank of a toilet. It’s purpose is to move water into the bowl in the case where the ballcock malfunctions to prevents water in the tank from overflowing. When the flush lever is pressed it pulls the chain that opens the flush valve.

Why does the toilet refill tube go into the overflow tube?

1 water goes to the overflow tube thru the refill hose to refill the toilet after flushing , this is to keep sewer gas from entering the room and to prepare for the next flush.

Will a constantly running toilet overflow?

Running Toilets Are a Flood Risk The “minuscule” issue of a running toilet is actually a flood risk to your septic tank. When water continuously runs through your system, your tank will eventually overflow and result in the failure of your home’s drain field.

When should you call a plumber for a toilet repair?

Here are some instances when it’s recommended that you call a plumber for your toilet repair.

  • Water Around the Toilet Base. Leaking toilets are never a good sign.
  • Slow Tank Refill. Toilet tanks that are slow to refill could have a broken flush valve or leaking flapper.
  • Constant Running Water.
  • Stubborn Clogs.