Pentair 460932 UltraTemp 110 High Performance Pool Heat Pump, Heat Only, 230 Volt, 60 Hertz, 1 Phase, Almond 60-Hertz frequency, 50-ampere breaker size, single phase, 230-Volts and 8-feet wire, 108000-BTU Compatible with all automated control packages 100 percent pure titanium heat exchanger assures corrosion-free performance Automatic defrost feature senses refrigerant temperature and prevents ThermalFlo from freezing; it allows the heat pump to operate at lower temperatures Measures 43-inch length by 50-inch height by 34-inch width