My IVT 24-hour clock consistently stops at 12:00 midnite. If I manually rotate it past this point the system again works fine until it gets to 12:00 midnite where it again stops. Obviously I would suspect problem is in the 24-hour clock unit, but I have not yet taken anything apart. A local company has told me that Imperial Co. is no longer in business. Could you help me troubleshoot and/or find repair part(s) for this unit (6/11 station). I cannot find any other model or part numbers on unit. T...