Abstract: An apparatus for controlling the temperature of water in a tank for cooling a liquid such as beer flowing in a multiple coil circuit submersible in the water in the tank. The apparatus comprises a tank, at least one divider for dividing the tank into at least two compartments. At least one compartment being a beer coil compartment for receiving the coils carrying the beer and at least one compartment being an ice compartment for receiving and storing ice from an ice making machine. Pump is provided for pumping water from the ice compartment into the at least one other compartment.