Model 43057 digital multistage heat pump thermostat is compatible with all single-stage and most two-stage heat pumps and offers adjustable first- and second-stage span adjustments. The refresh programmable fan allows the user to circulate air during system off times. The unit has an IndiGlo® backlight by Timex®. Features include a filter monitor, staging timer, heat/cool auto cutoff, bimetal freeze protection, residual cooling fan delay (user selectable), and latch relay outputs. The thermostat is ac-powered, eliminating the need for battery changes. It comes with a three-year warranty.

Climate Technology Corp., A Hunter Fan Co., 2500 Frisco Ave. Memphis, TN 38114; 800-676-7861; 800-676-7869 (fax);

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