*Single valve control for easy changeover from liquid to vapor to purge *Constant Pressure Regulator (CPR) valve regulates refrigerant to the compressor. Eliminates the need for the technician to throttle the suction valve *Advanced 1/2 hp, 3425 rpm oil-less compressor with precision valves manufactured in an ISO-9001 facility *Recovers refrigerant and shuts off when unit reaches 13" of vacuum. Unit will automatically restart if system pressure rises *Indicator signals ¡°recovery complete¡± *Quiet running with components nested to reduce vibration and noise. Oil-less compressor is inherently quiet *Controls and gauges inset for protection and angled for easy access and viewing *Senses back pressure from tank and shuts off automatically at 517 psi for safety *Reusable mesh particulate filter inserts into suction port for protection. Simple cleaning eliminates replacement due to clogging *¡±On-the-fly¡± purge with simple turn of a knob to remove residual refrigerant and help prevent cross-contamination *High efficiency fan keeps air moving across condenser for cool running even in hot weather *High strength HDPE case for lightweight and rugged use. Rounded corners help protect from nicks and scrapes *Single high pressure safety switch - external circuit breaker *Includes three-year compressor warranty on domestic models (one year on international models) *Made in the USA *Tested by UL to ARI 740-98 (ARI 740-95 for 95700 and 95765)