When no temperature is given, e.g., \u201cwarm\u201d or \u201ccold,\u201d hot water up to 145 degrees F (63 degrees C) can be regularly used. b. \u201cHot\u201d - initial water temperature ranging from 112 to 145 degrees F [45 to 63 degrees C]. ... \u201cCold\u201d - initial water temperature up to 86 degrees F [30 degrees C].
