Location:  Samut Prakan, Thailand, Phone/WhatsApp: +66 96 098 2413

3 Way AC Manifold Gauge Set, HVAC Diagnostic Charging Tool

(13 customer reviews)
  1. Compatibility:
    • The manifold gauge set is designed to work with different types of refrigerants, such as R-134a, R-22, R-404A, and R-410A. Make sure the set you choose is compatible with the refrigerant used in the HVAC system you are working on.
  2. Pressure Range:
    • High-pressure gauge: 0 to 500 PSI
    • Low-pressure gauge: 0 to 120 PSI
    • Compound gauge: -30 inHg to 250 PSI
  3. Hose Length:
    • The length of the hoses can vary, but they are typically long enough to reach the components of the HVAC system without causing inconvenience.
  4. Materials:
    • The gauges and components are constructed from durable materials to withstand the pressures and conditions encountered during HVAC service.
  5. Accuracy:
    • The gauges should provide accurate readings to ensure precise diagnosis and charging of the air conditioning system.
  6. Certifications:
    • Look for certifications or compliance with industry standards to ensure the quality and reliability of the gauge set.
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  1. Manifold Gauges:
    • The set includes three gauges: high-pressure gauge, low-pressure gauge, and a compound gauge (measuring both high and low pressures simultaneously).
    • The high-pressure gauge typically measures pressures in the range of 0 to 500 PSI (pounds per square inch), while the low-pressure gauge measures pressures from 0 to 120 PSI.
    • The compound gauge may have a scale ranging from -30 inHg to 250 PSI, allowing it to measure both pressure and vacuum.
  2. Hoses:
    • The set comes with color-coded hoses to connect the manifold gauges to the air conditioning system. Typically, red is for high-pressure, blue is for low-pressure, and yellow is for the refrigerant supply line.
    • The hoses are equipped with quick-connect fittings for easy and secure attachment to the system.
  3. Adapters:
    • Various adapters are included to fit different types of refrigerant ports and systems.
    • Common adapters include those for R-134a and R-22 refrigerants, as well as other refrigerant types.
  4. Carrying Case:
    • Many sets come with a durable carrying case to organize and protect the gauges and accessories during transport and storage.

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