Thread: AC Help !! convert back to R12
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  #67  
Old 05-19-2020, 01:24 PM
Fred Jan Fred Jan is offline
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Join Date: May 2020
Location: Houston, TX
Posts: 38
Quick question, why there is R134 A sticker on the expansion valves ? are there specific valves for R12 and R134 ? I thought the expansion valves are designed for any type of refrigerant
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