The Emerson White-Rodgers universal single-stage heat pump defrost control for PSC (47D01U-843) replaces over 400 single-stage defrost controls. It offers enhanced energy efficiency by allowing you to choose between demand or time-temp defrost modes


The LED matrix also makes it easy to access setup, test, and diagnostic modes. This defrost control also protects your compressor with its short-cycle time delay and brownout protection.


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