JIFETOR 3 Way AC Manifold Gauge Set, HVAC Diagnostic Charging Tool for Auto Household R404A R134A Refrigerant with R134A Quick Couplers 3FT Charging Hose Can Tap Adapter Valve Core Tool

AC Manifold Gauge: 3 way dual movement brass manifold auto AC gauge, durable and anti-corrosion. Blue low pressure gauge with range -30 inHg to 250 PSI, and red high pressure 0 to 500 PSI, Celsius unit. 2-3/4"" easy to read large dial with color coded scale, and sight window on the manifold help to monitor refrigerant charging and recovery better and easily. Built in calibration screw and no-flutter pointer ensure measurement accuracy. Perfect for R404A R134A. Three 3 FT Color Coded Hoses: Refrigerant charging kit uses rubber nylon resin hoses, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. Max working pressure is 500 PSI and burst pressure is 2500 PSI. Each side is loaded with 1/4"" female brass fittings for easy connection. Red hose connects red gauge side 1/4"" male flare to red quick coupler, blue to blue, and yellow hose connects AC gauge middle charging port to can tap or vacuum pump. AC R134A Quick Couplers: Premium brass and aluminum, quick interface design with accurate snap lock and anti-slip knurled grip ring, easy to connect and disconnect, compatible with all models with R134A service port. Connect the blue coupler to AC suction service port and the red one to AC discharge service port. Aim at service port, push to connect and lock. Pull up the knurled grip ring to loose and lift to disconnect. Brass Can Tap and Adapter: R134A can tap with 1/2"" female thread interface, can screw to fix on 1/2"" male thread of refrigerant bottle opening. T type knobs, easy to operate by fingertips. Internal pin with sharp tip help to pierce R134A bottle easily and quickly. The can tap and 1/4"" male to 1/2"" female adapter with shut off valve are made of premium brass, features with high hardness, wear resistance, anti-corrosion, with rubber sealing ring, ensure the gas tightness with no leak. Multi-function: JIFETOR complete AC manifold gauge set is perfect for automotive and household air conditioner evacuation/vacuum, diagnostic check, coolant charging and recovery. There is also a well-written detailed instruction will assist you quickly understand and use this set of tools: how to operate system dynamic pressure measurement, refrigerant recovery and vacuuming, refrigerant filling or replacing. To prevent leakage during use, please ensure the following tips: The included R134A quick coupler cannot be connected with other models of interfaces. The can tap is a piercing type one with 1/2 inch female thread interface. Please connect to the right refrigerant tank to ensure no leakage. When connecting all parts, please ensure all parts are tightly connected to prevent leakage. After long-term use, please check the gasket in the connecting parts and replace the gasket if necessary