Answer
Jul 12, 2024 - 08:20 AM
The control boxes for the 8000 series zone control system are all obsolete. You would have to change all the control boxes, the thermostat, and run a new ground wire to each box. Part numbers are listed below..
|
THERMOSTAT: |
|
9330A3341 |
|
CONTROL BOXES: |
|
9430A751 COOL ONLY |
|
9430A755 COOL WITH HEAT STRIP |
|
9630A751 HEAT PUMP WITH HEAT STRIP |


Add New Comment