Allows air conditioners and dehumidifiers to operate in colder conditions. Head pressure control of outdoor unit fan motor speed, 120-480 VAC; Eliminates overshoots common to on/off and pressure switch controls. Helps prevent evaporator freeze-ups, low pressure cut-outs and liquid-slugged compressors in low ambient conditions. One year warranty.
For use with Ideal-Air and Coaire 13 Seer Mini-Split models.