2000NC
1 Heat / 1 Cool
5-2 Day
2020NC
2020
7 Day, 5-2 Day, or Non-Programmable
2200NC
2 Heat / 1 Cool
2220NC
2220
2 Heat / 2 Cool
7 Day, 5-2 Day, Non-Programmable
5020
2 Heat / 1 Cool Heat Pump; 1 Heat / 1 Cool Conventional
5220
3 Heat / 2 Cool
