Originally Posted by
rpenmanparker
Yeah, I thought about that. But wouldn't that just change the position of the cut off due to the float having to be more submerged to get the necessary buoyant force, rather then elongate the shut off process by slowing the fill down and drawing it out.
Not sure. Try bending the arm to the float down so it has more pressure as it tries to float. Also some times the flapper valves wear out or just get dirt on them.