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Lennox XP19-030 Defrost Sensor Board
The defrost control board commences the defrost sequence in order to keep the outdoor unit free from frost build-up. It is influenced by a temperature sensor located near the condenser to ascertain when to initiate the defrosting cycle.
Symptoms your defrost board needs replacing
- Air conditioning may cease to function for the simple fact of too much frost
- The HVAC system control board could display an error number produced when the defrost board is bad
- Self defrost sequence refuses to initiate even though there is quite a bit frost in the way
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Before buying or ordering a new Lennox XP19-030 replacement part, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the correct defrost sensor board is being ordered. Replacing a new defrost sensor board can be quite easy if you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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