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Payne PH3ZNA048000AA Ignition Control Board
The purpose of the ignition control board is that it may control the natural gas, the igniter and all the flame sensing devices. It is an important electronic safety board that, over the years, has merged to become a piece of the main circuit board for enhanced safety.
Simple indications of a weak ignition board
- Any other problem in the HVAC system checks out a-OK
- Signal from home thermostat never gets to the main control board
- The ignition system does not begin then the thermostat send a signal
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