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New Piper A/C design

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Unfortunately my Seneca IV AC blower motor died. I have to pull the whole system to put in a new one. But to do that requires discharging the '94 R12 system and R12 is almost impossible to come by. Looking at converting to 134 while it is out but the STC I found was ridiculous expensive- $9k plus labor. I would assume Piper switched to 134 compliant parts at some point in their production.
 

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