On a standard gravity-flush toilet, the flush valve is the large plastic or metal assembly that sits inside the toilet tank near the middle. It is designed to control the flow of water that descends into the bowl to flush its contents into the drain system. The flush valve unit includes a long overflow tube attached to a valve seat that fits into a large opening in the bottom of the tank. The flush valve assembly also includes the flapper, which seals the opening and holds water in the tank until a flush is initiated.
The clearest sign that a flush valve needs to be replaced is when water continues to run, even after the flapper and other possible causes have been addressed. The reason the toilet continues to run is that the valve seat may be worn or cracked, which prevents the flapper from making a tight seal. If a toilet flapper that is in good shape doesn’t seem to seal, it’s likely that a toilet flush valve itself is cracked or worn and needs to be replaced, courtesy of Australian online casino.
How to Install a New Flush Valve
If you’ve established that the cause of the leak is a damaged flush valve, you have to buy a new one. Take the damaged one to the store with you to make sure you are replacing it with the same model. Also, make sure that the new one has a vacuum breaker to prevent your water supply from being contaminated.
You’ll need:
A wrench
A flat-blade screwdriver
A dry towel
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To fix a one-piece flush valve that has the float and flapper integrated into the valve assembly, follow these steps:
Step 1: Turn off the Water Supply
Turn off the water supply to the tank completely. Depending on how it is set up, the knob can be found on the wall behind the toilet, or by the side of the tank on a small metal pipe leading into the floor. Use your hand or an adjustable wrench to turn the knob clockwise until the water stops running inside the tank.
Shut off the water supply.
Shut off the water supply.
Step 2: Flush and Get Rid of Excess Water
Flush what is left in the toilet bowl. Because the water supply is turned off, it should not refill again. Use a dry towel or sponge to suck up whatever water is left.
Step 3: Unscrew the Flush Valve
Unscrew the two rubber bolts by the sides of the flush valve using a screwdriver. Hold the nuts beneath the bowl with a wrench as you unscrew the bolts. Note: Do not force the bolts as it may cause the tank to crack or even break, according to experts from online casino.
Unscrew the flush valve.
Unscrew the flush valve.
Step 4: Replace the Flush Valve
Take out the old flush valve and insert the new one into the tank opening so that the overflow pipe is facing the flush valve. Once you have it in place, hold the valve and tighten the screws using a wrench.
Step 5: Reconnect the Water Supply and Check for Leaks
Finally, reconnect and turn on the water supply. The tank should fill, allowing you to adjust the water level. Flush and check for leaks, then tighten any nuts as needed.