How to Replace a Flush Valve Seal How to Replace a Flush Valve Seal

Replacing a flush valve seal is easy and can save you thousands of gallons of water per year.

Step 1: Turn Off The Water Supply

Flush the toilet thoroughly to empty the tank completely. The toilet's water supply is just below the tank. You need to turn it clockwise to prevent water from flowing into the tank. Hold the lever long enough to allow all of the water out of the tank and use a piece of cloth to soak any water that remains in the tank

Step 2: Disconnect The Valve Chain

Next, you have to disconnect the chain by unclipping it from the trip arm.

Step 3: Remove The Old Flush Valve Seal

Lift the flush valve seal out of the clips and over the top of the tube.

Step 4: Attach The New Valve into The Tube

Snap the tabs of the flush valve seal over the clips and seat the flapper level on thee valve seal seat to make sure everything is in place.

Step 5: Connect The New Valve Seal Chain

Connect the new valve chain to the trip arm and adjust the chain so that the flapper has a good seal. 

Step 6: Test The New Flush Valve Seal

Turn on the water supply by turning it counterclockwise. Test the new valve by flushing the toilet and letting the bowl fill. 

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