Head pressure control with support for two pressure OR two temperature controls, 120-600 VAC; ideal for line voltage A/C and refrigeration systems Supports up to two temperature OR two pressure probes Integral heat pump bypass circuitry allows electonic bypass of speed control Dial temperature or pressure setpoint: 70°F to 140°F; 35-465 psig Solid state 10 amp load carrying capability 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 Features: hard start, low temperature cutoff, high temp bypass RoHS compliant / lead free design Â