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Thread: Is all POE oil the same?
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05-04-2017, 01:43 PM #1
Is all POE oil the same?
I am thinking about retrofitting an old heat pump for use in my garage/shop. If I go to 407c, I know I have to drain the system of mineral oil and install POE. Is any type of POE acceptable? I have even seen POE with a leak check dye in it at automotive stores for old car retrofits to 134c. Is this acceptable?
I appreciate the help!