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Lennox SPA048H4 Control Board
Heating and cooling systems will not even run at all unless this important circuit board is in its proper place and configured for your unit. The Lennox SPA048H4 control board is created to oversee the gas valve, the ignition igniter, the flame sensor and the blower all at once. You must be sure while selecting a replacement because of the diversity of systems. The proper control board will have a part number that will match the brand and the model of your particular system.
Easy warnings your main board needs to be replaced
- The furnace or AC ceases to go correctly
- The board needs to be reset often for the system to continue working
- When turned on, there is a flashing error code shown directly on the control board
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