Question:What does the Amnon18 do? Answer:Prior to Shabbat, the computer, signals the valves, pump and drain to lower the water temperature to “allowable non-cooking temperature”. Question:What is ‘allowable non-cooking temperature”? Answer:It depends if you're Ashkenazi or Sephardic, your community or rabbi. Question:Who does that matter? Answer:The Amnon18 was designed to be flexible if your allowable max temperature is 100 degrees or 105 109 depending on your customs, background, rabbi.