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How do I fix a running toilet tank?

Daniel Harris | 2023-06-07 13:17:25 | page views:1304
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Ava Patel

Studied at the University of Johannesburg, Lives in Johannesburg, South Africa.
As a plumbing expert with years of experience in fixing a variety of household issues, I've encountered my fair share of running toilet tanks. A running toilet is a common problem that can be caused by a variety of issues, but it's usually due to a malfunctioning fill valve, float mechanism, or flapper. Here's a step-by-step guide to help you diagnose and fix a running toilet tank.

Step 1: Turn Off the Water Supply
Before you start working on the toilet, it's crucial to turn off the water supply to prevent any accidents. Locate the shut-off valve, which is typically found behind or near the base of the toilet, and turn it clockwise to shut off the water.

Step 2: Flush the Toilet
Flush the toilet to drain the water from the tank. This will allow you to work on the tank without water spilling over.

Step 3: Inspect the Fill Valve
The fill valve is a key component that controls the water level in the tank. It's usually located at the bottom of the tank, connected to the water supply line. Look for signs of a leak or damage. If the fill valve is leaking, it may be the cause of the running toilet.

Step 4: Check the Water Level
With the water drained, you can now check the water level in the tank. The water level should be about 1/2- to 1-inch below the top of the overflow pipe. If it's too high, it can cause the toilet to run continuously.

Step 5: Adjust the Fill Valve
If the water level is too high, you'll need to adjust the fill valve. There are usually two types of fill valves: one with an adjustable float and another with a screw adjustment. For the float type, you can lift the float arm and see if the water stops filling. If it does, you may need to bend or adjust the float arm so that the tank stops filling at the correct level.

Step 6: Inspect the Float
The float is what controls the fill valve. If it's stuck or not working properly, it can cause the water level to rise too high. Check the float for any signs of damage or obstruction.

Step 7: Check the Flapper
The flapper creates a seal within the tank that prevents water from continuously flowing into the bowl. If the flapper is worn out or not sealing properly, it can cause a running toilet. Inspect the flapper for wear and replace it if necessary.

Step 8: Test the Toilet
After making adjustments or replacements, flush the toilet to see if the problem has been resolved. If the toilet is still running, you may need to repeat the steps and make further adjustments.

Step 9: Call a Professional
If you've tried all the steps and the toilet is still running, it might be time to call a professional plumber. There could be a more complex issue at hand that requires expert attention.

Remember, working with plumbing can be tricky, and it's important to take safety precautions. If you're not comfortable performing these steps, it's always best to consult with a professional.


2024-05-19 20:26:12

Charlotte Gonzales

Studied at the University of Buenos Aires, Lives in Buenos Aires, Argentina.
Flush the toilet and look for a fill valve leak. Lift up on the float arm when the tank is filling to see if the water stops. Bend or adjust the float arm so the tank stops filling when the water level is 1/2- to 1-in. below the top of the overflow pipe.
2023-06-11 13:17:25

Julian Clark

QuesHub.com delivers expert answers and knowledge to you.
Flush the toilet and look for a fill valve leak. Lift up on the float arm when the tank is filling to see if the water stops. Bend or adjust the float arm so the tank stops filling when the water level is 1/2- to 1-in. below the top of the overflow pipe.
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