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Lennox SPA048H4 Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrosting phase which assists to defrost your outdoor unit. The defrost sensor board depends on a defrost sensor located in the outdoor unit to agree when to begin.
Easy warnings the defrost sensor board has very little life left
- Your HVAC system will not operate at all because of the safety features installed
- Defrost mode does not begin even though there is quite a bit frost on the external unit
- The main board could signify a particular error code if the defrost control board fails
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Before buying or purchasing a new Lennox SPA048H4 replacement part, do your due diligence and cross-check the model number and also make a visual comparison in order to be sure the correct defrost sensor board is the one being purchased. Once you have the part to install it yourself. Look for a professional in your community to do it for you.
Feel free to download your manual for help.
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