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How to Replace a Toilet Valve

Follow these step-by-step instructions for replacing a toilet valve

Amanda Scott
Amanda Scott
Miseno High Efficiency one-piece elongated toilet.

Replacing a leaky or screaming toilet valve may seem a little intimidating, but reality is, it’s a DIY job anyone can do. Using just a few basic tools, you’ll have your toilet running normally in no time.

Step 1

Turn off the water supply.

Water supply valve.

Step 2

Drain water from the tank by holding down the toilet lever.

Hand holding down toilet lever.

Step 3

Using the pliers, remove the water supply line. Place the bucket beneath the water supply line to catch any excess water that drips out.

Person reaching under tank with pliers to remove water supply line.

Step 4

Remove the valve nut that holds the valve in place.

Pliers removing valve nut.

Step 5

Remove the old valve.

Old valve being removed.

Step 6

Assemble the new universal valve. Make any necessary adjustments to the new valve.

black and gray tubing being assembled.

Step 7

Install new valve and attach it with the new nut.

Installing nut and new valve.

Step 8

Reconnect the water supply line. Then connect the fill hose.

Reconnecting water supply line.

Step 9

Turn the water supply back on.

Turning water supply back on.

Step 10

If necessary, fine-tune the water level by adjusting the flow with your screwdriver.

Fine tuning water level using screw driver to adjust the flow.

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