: I purchased a used side flush toleit, the kind that flushes out the back wall and down the outside of the house. Inside The tank has no visable water, just a big black ball shaped valve that takes up most of the space.When ever it is flushed, water shoots out of the top. I know it isn't supposed to do that. Is this part replaceable, what is it called, and should I just buy a new toliet.They cost 500 and up so I'd like to repair if possiable.
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