How do I replace the control box?

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Turn off the water supply at a shutoff point. Disconnect the four hoses by pressing down on the collar around the end of each hose. While pressing down on the collar, pull up on the hose, and it will come out. This should be done on the three hoses entering the top of the control box and the middle hose on the bottom of the box. The two supply hoses on the bottom do not detach from the control box. These hoses need to be detached from their connection at the hot and cold water supplies. Unplug the data and power cables. Unscrew the three mounting screws, and the box should come off the wall. It can now be sent back for a replacement.

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