If your existing indoor coil isn't rated for the higher operating pressure of R-410A, it will fail in very short order. If it is, make sure it is thoroughly flushed with RX-11 or similar product to assure complete removal of oil.
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If your existing indoor coil isn't rated for the higher operating pressure of R-410A, it will fail in very short order. If it is, make sure it is thoroughly flushed with RX-11 or similar product to assure complete removal of oil.
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