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Carrier 50ZP-042 Control Board
The Carrier 50ZP-042 control board is constructed to operate the gas valve, the igniter, all the various sensors as well as the air circulator all together. Your system definitely will not operate unless this important circuit board is installed. You must be careful when you choose a replacement due to so many small differences in models within certain brands. The board you choose will have a part number that will match the brand and the model of the system you have installed.
Signals of an unhealthy control board
- The control board has to be powered down and back up habitually for it to run correctly
- The HVAC system declines to function properly
- When turned on, there is an error code appearing on the front of the control board
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