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Lennox CB27UH-024 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost sequence which actually helps to remove frost build-up that may accumulate. The board is relayed information from a specific sensor that can be found near the condenser, in order to determine when to begin.
Major signs the defrost sensor board is in dire straights
- Your HVAC system will cease to function for the simple fact of frost blocking the airflow outside
- Defrosting refuses to run despite the fact that there is a lot of frost on the unit
- The main board may throw an error of some type when a defrost board fails to initialize
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Before buying or purchasing any Lennox CB27UH-024 part, do your due diligence and double check the model number and also make a visual comparison so that you are positive that the correct replacement defrost sensor board is being ordered. HVAC pros can be expensive so it is best to shop around to acquire the best rate if money is a concern.
Feel free to download your manual for help.
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