Delfield reach in freezer. No data tag. Wondering what kind of refrigerant used to be in it. It has an AEV that is pinkish orange. R12 or 502? I have some pics
Copeland M# KAGB-005A-IAA-800 S# 00C75731
Valve has CRO-4- 0/50 on it.
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Thread: Orange-ish Pink AEV?