Leak Detectors & Test Instruments

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 ...

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® TITAN 4-Valve Manifold With 60" RYB Hoses and 3/8" x 45° 49987 Forged aluminum alloy body makes this unit lightweight for handling ease with the durability and reliability required for repeated use. Features: Fourth hose to enable connection to hi-/lo-sides, refrigerant tank and recovery unit or vacuum pump for diagnostics, evacuation and charging without switching hoses 3/8" Vacuum port for use with larger hose to cut evacuation time by up to 33% (all other fittings are 1/4") Large, easy-to-read 3-1/8" steel case red and blue, 1% accuracy (Class 1) gauges Front access ...

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 ...