BASIC BEGINNERS GUIDE TO HVAC SYSTEM: Concise Training Guide for Beginners and Seniors to Learn The Fundamentals of HVAC System Unit.
- A/C DIAGNOSTICS: Professional 3-way air conditioning diagnostic manifold gauge set for R134A, R12, R22, and R502 refrigerants. Designed for checking pressure in AC lines, leak determination, AC charging, recovery work and complete evacuation & recharges..
- THREE-WAY HOSES: Includes a 3pc, 5-foot freon charging hose with 3 colors for easy recognition, red for high pressure, blue for low pressure, and yellow for the refrigerant bottle..
- ADVANCED PRESSURE GAUGES: Blue Gauge (low): 0-250 PSI, Red Gauge (high): 0-500 PSI. Extra-strength hoses with burst pressure at 3000PSI, Max working pressure: 600PSI. Celsius degree units with an easy-to-read instrument panel..
- DURABLE CONSTRUCTION: Made from solid brass, aluminum, PVC, and durable plastic to stand up to heavy use and accidental drops - ideal for professional auto mechanics. Includes a detailed parts diagram and step by step instructions for DIY novices..
- A COMPLETE TOOL KIT: 1pc 3-way gauge (1/4" male), 3pc hoses (1/4" female), 2pc quick couplers (1/4" male), 1pc adapter (1/4" Male to 1/2" Female).