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High side pressure in an R-22 system can be caused by several factors, including overcharging of refrigerant, a dirty or blocked condenser coil, or inadequate airflow across the condenser. Additionally, high ambient temperatures can contribute to increased pressure readings. It's essential to check for proper refrigerant levels, ensure the condenser is clean, and verify that the system is not experiencing airflow restrictions. If issues persist, consulting a qualified HVAC technician is advisable.

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5d ago

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