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Lennox XP19-036 Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence which helps to defrost your outdoor unit. The defrost sensor board is influenced by a defrost sensor located in the outdoor unit to verify when to begin.
General warnings of a defective outdoor defrost sensor board
- The system will cease to function for the fact of the fact that there is too much frost
- The control board might give out a particular error code referring to a failing defrost control board
- The defrost sequence never begins even though there is quite a bit frost that has built up
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Before you decide on buying or ordering a new Lennox XP19-036 replacement part, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the proper replacement defrost sensor board is being ordered. You do not need to install the replacement part alone. Hire someone with experience in your town or city to do it for you.
Feel free to download your manual for help.
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