Description Description AC side has no temperature control, tested down to 13 Deg. F Heater side tested to 212 Deg. F Tank holds approximately one gallon, it requires 104 oz. to cover heat exchangers. Tank access is a 4x4.25 cover. The AC side of this water bath has no temperature control. It was tested down to 13 Deg. F and the heater side was tested to 212 Deg. F. View AllClose