How To Adjust Water Level In Toilet Tank With Ball

How To Adjust Water Level In Toilet Tank With Ball?


If the water level of your bathroom bowl is too high or too low and you are willing to adjust the water level, this article may help you.

You can fix the water level by changing the fill valve, adjusting the float, unblocking the toilet or cleaning the vent pile. However, if your water bowl is cracked you have to change the bowl or the whole toilet in case of a 1 piece toilet.

For Keeping the accurate water level in the bowl the synchronization of two mechanisms is essential which are the refill mechanism and flushing mechanism.

Also, old and new water tanks are different because new ones have floating cylinder whereas the old ones have floating ball valve.

Causes of Unadjusted Water Level


There are several reasons for the low water level in the toilet bowl such as defective fill valve, clogged vents and toilet trap, longer refill tube, unclipped refill tube.

On the other hand partially clogged drain, improper toilet float adjustment can result in high water level in your toilet bowl.

Troubleshooting the Problems


Preferably the level of water inside the tank should be a half-inch below the overflow tube.

If the water level of the toilet bowl has to be at a particular level to keep the water level at a perfect height. To troubleshoot the problems you may go through some actions.

  1. Checking the vent if there is any blockage or not. The vent may get blocked for birds’ nests, rodents or dead birds, tree leaves, balls or other trashes. You can use a plumber’s snake or a hose to get rid of such blockage.
  2. You can check the refill tube status because the damaged, unhooked or word refill tube can result in a lower water level in the toilet bowl. For checking the condition check out if there is any abnormality by removing the tank lid and hook it if it’s unhooked or replace it if it is worn.
  3. A damaged fill valve can be another reason for the dropped water level in the toilet bowl because a damaged or cracked valve will flow less water to the toilet bowl and you may need to replace the fill valve to solve this problem. A cracked bowl
  4. The water level can be lower as a result of a cracked water bowl as it will leak the water after every flush. In this case, you will have to replace the toilet bowl to keep the water at a proper level.
  5. If the toilet drain or trap is blocked with a rag it will suck the water from the bowl hence the water level will be low.

Adjusting the Toilet Bowl’s Water Level


A blocked drainpipe or toilet trap can be the reason for the higher water level in the bowl. You can use a plumber’s snake for unblocking the drainpipe or trap.

If there is too much water in the toilet tank it can also raise the water level in the bowl which may cause overflow. Adjusting the cup height of the floating ball can help you to adjust the water level in the bowl.

You can go for any of the below 3 methods to adjust the water level in the toilet bowl: For heading towards the main process you need to have an adjustable wrench, screwdriver and an empty bucket.

Replacement of the Fill Valve


First of all, turn the inlet valve off and flush all the water from the toilet then disconnect the water supply. Now, take out the lid and remove the ring of the lock. Separate the overflow tube from the fill tube and take away the old valve.

Now insert the new lock ring and fill valve into the base. Attach the overflow and refill tube then turn the water supply on. Flush several times to check if there is any change or not. Set the lid of the tank.

Adjustment of the Float Ball


A floating ball valve is available in most of the old toilets. The water level in your toilet bowl will depend on the height of your float ball. Before heading towards the fixing process you need to check out if there is any defect on it.

For adjusting the float ball you need to turn the inlet valve off and flush all the water of the toilet then remove the lid of the toilet tank. Now check out if there is any water inside the float ball.

If yes, you need to replace the ball and if there is no water open the valve and check out the new water level in the tank. The water level should be .5 to 1 inch below the overflow tube.

Continue adjusting until you get the desired water level. Make sure you are not turning the screw more than once as it may cause an overflow in the tank.

Adjustment of the Floating Cup


Most modern toilets come with a floating cup or floating cylinder as a replacement for the floating ball. The height of the floating cup affects the water level in the tank and consequently of the toilet bowl.

You can adjust the height of the toilet floating cylinder or floating cup by turning the adjacent adjustment screw or squeezing the release clip of the floating cup.

You just need to press the clip and take it up for raising the water level and to lower the level of water you need to take the clip downwards.

Before doing these tasks shut off the water inlet and flush out the water of the toilet. Don’t turn the screw more than once because it can overflow the tank and fill the tank after confirming the level of the water in the tank only.

Before heading towards the fixing and adjustment process you should identify the source of the problem first.

It may take a few minutes but this will be beneficial. Normally the toilet tank is responsible for the unusual water level in the toilet bowl so you should check there first.

Similar Posts