Toilet handles that stick can often be repaired by making one or more simple adjustments.
Toto toilet handle sticks.
Sometimes the handle sticks in the down position because the flapper fails to fall.
This usually happens because the chain is too short.
The handle is very loose on the rod and it s traveling too far down on the flush stroke and getting jammed up and sticking open.
If either one sticks turn the water to the toilet off flush the tank and remove the flush valve canister and replace it.
Toto toilet tank levers find replacement trip levers for your toto toilet replacing your old trip lever is a simple way to keep your toto toilet functioning properly and efficiently so you can continue to rely on it for years to come.
I don t think it s valve related i think it s mechanical with the flush lever.
Push the buttons on the flush valve with your finger.