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R134A Air Conditioner Low and High Pressure Gauge for R410A R22 R404A A/C Diagnostic Refrigerant Charging Tool

R134A Air Conditioner Low and High Pressure Gauge for R410A R22 R404A A/C Diagnostic Refrigerant Charging Tool

Best price now

$21.43at mickcaraChecked Nov 8

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Price facts

  • Last seen at $21.43 at mickcara on Nov 8.

Our take on the R134A Air Conditioner Low and High Pressure Gauge for R410A R22 R404A A/C Diagnostic Refrigerant Charging Tool

This is a two-gauge manifold set for diagnosing and charging air conditioning systems. It reads low-side and high-side pressure on two dials and connects to refrigerant cans or a cylinder through color-coded hoses. It covers R134a, R410A, R22 and R404A, so one set serves car A/C, home split units and refrigeration work. Compared with single-gauge tools it gives both pressures at once, which is what you need to read superheat and subcooling and to spot a restriction or a weak compressor. It is a basic mechanical tool: no digital readout, no vacuum pump, no leak detector.

Best forDIY car A/C recharge and diagnosisHome split-system and mini-split serviceHVAC students learning manifold gaugesTechnicians who want a spare analog set
Pros
  • Reads low and high side at the same time
  • Covers R134a, R410A, R22 and R404A
  • Mechanical dials need no battery
  • Color-coded hoses and knobs speed hookup
  • Compact and light enough to carry in a tool bag
Cons
  • Analog dials are less precise than digital gauges
  • No vacuum pump or leak detection built in
  • Cheap manifold sets can drift and need calibration checks
  • Hose and seal quality is the usual weak point on budget sets

R134A Air Conditioner Low and High Pressure Gauge for R410A R22 R404A A/C Diagnostic Refrigerant Charging Tool prices at every store

  • mickcaraNew

    In stockShips from China · duties may applyReturn policy

    $21.43Checked Nov 8
    Visit mickcara

Questions and answers

Does it work on R410A home systems?
Yes. The set is rated for R410A along with R134a, R22 and R404A, so it covers both car A/C and residential split systems. Use the correct hose and adapter for the system's service ports.
Can I use it to pull a vacuum?
Only as a manifold. The gauges and hoses route a vacuum pump's pull, but you still need a separate vacuum pump and a micron gauge to evacuate a system properly.
Is it accurate enough for professional work?
It is a mechanical manifold, so it reads to the dial's markings rather than a digital display. That is fine for charging and fault-finding, but verify calibration if you rely on exact pressures.
What refrigerants does it support?
R134a, R410A, R22 and R404A. Other refrigerants need different pressure scales or adapters.
Do I need adapters for car A/C?
R134a car systems use quick-connect service ports, so you need the matching quick couplers on the hoses. Check that the set's fittings match your vehicle before charging.
Where is the R134A Air Conditioner Low and High Pressure Gauge for R410A R22 R404A A/C Diagnostic Refrigerant Charging Tool cheapest?
At mickcara, for $21.43, as of our latest check.

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