I have a complete carrier vvt system with 22 stats , 22 damper motors/boards 4 bypass controlers, 2 isostats, and a computer with the program on it. This system was installed in 84' and replaced this month. some are gen 1 most are gen 2. willing to split or sell all together. email me at firstname.lastname@example.org with any questions. I can send pictures also.