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Thread: R504 Alternative?
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14-02-2020, 04:11 AM #1
R504 Alternative?
Hello, I’ve got an old Hobart machine that the client wants to get going. It’s quite beat up but gets cold. I didn’t chuck my gauges on it and it’s in pieces so I don’t know if it will get down to temp, but concerned that if it is low we won’t be able to get 504. This is a 2 door stand up freezer. What is a good “drop in” for 504? If not a drop in, what other options? No tags indicating a retrofit. Thanks so much!
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14-02-2020, 10:14 AM #2
Re: R504 Alternative?
Never heard of 504.
Could it be 502?
You can retrofit 502 with 438A without changing type of oil.
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14-02-2020, 04:17 PM #3