Vacuum Pumps

Mastercool® is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last. Features: 3-1/8" (PSI, °F) gauges 1/4" MFL Solid extruded aluminum body Free-floating piston type valves reduce O-ring wear Extra access port for vacuum line Silicone dampened gauges smooth out needle movement Gauges can be easily recalibrated in the field to maintain accuracy An extra-large sight glass for visual ...

Product Description: Stands up to the most Gruelling Conditions- Mastercool®'s "Black Series" vacuum pumps are durable and time tested to stand up to the most gruelling conditions and will provide years of reliable service. This vacuum pump provides the power and mobility necessary for a wide variety of applications. Features: Refined cartridge machining process creates an improved surface finish extending the longevity of the pump life Expanded internal oil path creates less friction and ultimately less heat Upgraded seals insure maximum vacuum U.S. designed and tested Easy grip handle ...

A good quality vacuum pump is an integral tool for complete A/C service. Mastercool® vacuum pumps are durable and time-tested. They stand up to the most grueling conditions and will provide years of reliable service. Mastercool® offers a complete selection of pumps. Regardless of your service requirements, Mastercool® has a model for your applications. Features: New U.S. Design Stronger motor Gas ballast valve helps prevent oil contamination caused by high moisture Easily removable vapor discharge/oil fill port. Contains internal check valve to prevent escape of liquid oil Large oil level ...

Mastercool® introduces its new compact hand-held digital vacuum gauge with Bluetooth® wireless technology which combines the most advanced features to provide quick and accurate responses every time. Utilizing a state-of-the-art glass beaded thermistor and temperature compensation, Mastercool® is offering the latest technology to the HVAC/R technician. Included in this package will be the capability to download our free Mastercool Connect app. This will allow for full mobility as activity can be easily viewed on all compatible hand-held smart devices. Features: Sintered bronze inlet ...

Yellow Jacket® BULLET™ 7 CFM Vacuum Pump Wide mouth oil reservoir port for easier, cleaner filling.The Yellow Jacket® BULLET vacuum pump is a two-stage rotary vane oil-sealed 7 CFM pump that pulls down to 25 microns or better. Wide mouth oil reservoir port for easier, cleaner filling. Doubles as pump exhaust; threaded to attach garden hose for exhausting to remote location Large oil sight glass for easy monitoring of oil level Large brass oil drain for easy access to fast oil changes Internal intake check valve prevents oil backup into the system during a power failure Intake filter ...