New Evaporator Coils necessary for new Condenser ?

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Telstra wrote:

Rule of thumb, you always use matched set. Older coil may die soon(spring a leak) or if you want to reuse it, it needs flushing with special chemical which is very expensive. (R22 and Puron oil is different) Most techs does not want to do this. Also Puron runs at higher pressure. Proper thing to do is to replace line set, coil and use transfer valve. For more expert advice go to forum at www.hvacmechanic.com I am not a tech. Just alert consumer.
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Using an older coil is for the Hacks, like Stormy. You don't use a old R22 coil for a new R410 system, PERIOD!!!!!
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