The Mastercool 90066-BL-SF Black Series Spark-Free 1-Stage Vacuum Pump is durable and time-tested to stand up to the most grueling conditions and will provide years of reliable service. This vacuum pump provides the power and mobility necessary for a wide variety of applications. The spark-free design features approval for use with all air conditioning refrigerants, including A2L and A3 flammable refrigerants.

The refined cartridge machining process creates an improved surface finish that extends the longevity of the pump life. The expanded internal oil path creates less friction and ultimately less heat while the upgraded seals ensure maximum vacuum.

An easy grip handle and easily accessible oil drain valve offer easy access for users. With the easily removable vapor discharge and oil fill port along with the large oil level sight glass with a minimum/maximum oil level indicator, users can easily view the remaining amount of oil in the pump. The thermally-protected motor features an ON/OFF rocker switch, the check valve prevents oil back-flow, and the large reinforced base enables stable positioning. A T-Fitting with a 1/4 in. FL-M x 1/2 in. ACME-M connection is attached to the pump. A high-volume fan on the pump provides cool air to the motor and pump while the cooling fins keep the temperature cooler during extended motor operation.