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Are multiple poe flushes required for R22 retrofits?

Time:2018-04-12 21:45:51 

Replacing most of the MO/AB with POE helps ensure reliable oil return.However, this may not always be necessary. Many systems perform well after just one POE oil change.Systems with an oil separator have operated successfully on a partial POE oil change,or in some cases without POE. Best practice, however, is to follow the OEM’s recommendations.