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Lennox HPXA12-030 Control Board
The Lennox HPXA12-030 control board is designed to command the gas valve, the ignition igniter, all the various sensors and the blower all at once. Your system definitely will not activate unless this important circuit board is installed. You must do some research when you decide to replace your control board due to the vast differences in models within certain brands. A replacement board will have a part number that will match both the brand and specific model of the system you have installed.
Major signs your Lennox control board will soon need to be replaced
- When turned on, there is some sort of code being displayed on the control board
- The whole system has to be reset often for the system to continue working
- Your system cannot run at all
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