Don't be embarassed, sohj
we've all been there and done that..... Sometimes you just get locked in on a concept and it takes a Larry Bible to get you back on track.
It is possible that your monovalve is stuck open and the kit will be required to fix it. My experience is that these things need rebuilding from time to time. That's the reason for the relatively inexpensive kit (and the ease of repairing).
Cheers,
Wes
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