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Lennox XP19-048 Defrost Sensor Board
The defrost sensor board controls when to launch an important defrosting cycle if necessary, to keep your outdoor unit from plugging up. The defrost sensor board relies on a sensor located somewhere by the condenser to agree when to begin.
Key clues of a declining AC defrost sensor board
- The HVAC system could not operate for the fact of too much frost
- Unit defrost session never kicks in even when there is a large quantity of frost on the external unit
- The control board may signify an error number when encountering a problem
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Before you decide on buying or ordering any Lennox XP19-048 part, do your due diligence and cross-check the correct model as well as make a visual comparison in order to be sure the correct replacement defrost sensor board is being ordered. Installation of a new defrost sensor board is a piece of cake assuming you energy and have the proper tools to do it right.
Feel free to download your manual for help.
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