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Please help. Pancake batter got into the tubes and backed up into the pump. After cleaning it all out, we see the pump is working, but one of the micro valves isn't. I'm a teacher using the PancakeBot with my students. The I.T. specialist at my school and I have emailed over 5 times and gotten no response. Does anyone know where to get the micro valve? I can't find it on Amazon or Ebay.