Look for the numbers on the switch. They may be hard to see but they are there.
Does it start to agitate and still fill or does it just overflow?
It fills even if i push in the timer button. It keeps filling during spin, and adjutate and when i push the new pressure switch up to reset and down to mini, it still goes until i turn the timer knob by hand to an off position.
The valve is the problem.
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The series number is XXXXX first two number in the serial number. There are two different valves. The top will open from the front by two spring clips. Use a puttey knife. Locate them about an inch and a half in between the top and the front panel.