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Bard part 910-1790 is a 5/16 inch defrost sensor assembly used on Bard wall-mount heat pump equipment to sense coil temperature so the unit can initiate and terminate defrost at the right time. A failed or out-of-range defrost sensor can lead to repeated icing, long defrost events, or nuisance lockouts, so replacing it with the correct Bard OEM sensor assembly helps restore proper heating performance and protects the outdoor coil. Verify your exact model and serial number against the unit parts list to confirm this sensor size and connector match your application before ordering.
* Orders less than $50 may incure a minimum order fee.