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Air Conditioner Refrigerant Low and High Pressure Gauge 70mm/2.7inch for R410A R134A R22 PSI PA AC Pressure Gauges : Amazon.co.uk: Business, Industry & Science
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Low refrigerant effects: Air Conditioner / Heat Pump Refrigerant Pressure Too Low - Undercharged Effects of a low charge, under-charged refrigerant pressures and leaks: not enough refrigerant
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