Refrigerant Leak Detectors

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 ...

Yellow Jacket® SuperEvac LCD Vacuum Gauge 69075 Thermocouple technology has long been proven in laboratory and precision industrial instrumentation for sensing the deep vacuum range. Thermocouple sensors are factory calibrated and exhibit few of the electronic variances of thermistor sensors found in many other electronic gauges. Durable molded case with storage for sensor, cable and brass connector. Accuracy: ±20 Percent of reading. Thermocouple sensor features: No adjustments or warm-up. Stays calibrated after on/off switching and long evacuations Automatic battery compensation ...

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 ...

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 ...

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 ...