Issues with older bathrooms can seem as leaks from the higher tank into the bowl, which means you are losing water and unnecessarily growing your water invoice. Changing the bathroom fill valve seal may cease the leak instantly.
To begin, all the time shut off the water provide to the lavatory fixture earlier than engaged on it. It’s best to have a knob on the water line the place it exits the wall that you could rotate a quarter-turn to close off the water provide. Then flush the bathroom so the water within the higher tank flows into the bowl. The higher tank won’t refill with no water provide, so you may work in at the least partially dry circumstances.
For the standard fill valve, take away the chain from the float. Then pull the arm out of the fork hooked up to the float. Twist the highest of the fill valve to the left about an eighth flip to pop it free. The seal is a spherical rubber piece inside this prime part. You may see the seal while you flip the highest piece the other way up. Substitute this seal with a brand new one of many similar measurement and reattach every little thing. Activate the water provide and see if this fixes the leak.