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Why do so many techs say you must flush every coil after a burn out?
I've fixed several units without flushing and they ran fine for years. What's the real risk if you just replace the filter drier?
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morgan.daniel6mo ago
But have you checked the compressor oil for acid after skipping the flush? I mean, idk, maybe it's just me but that's where I'd worry about long-term damage.
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baker.oliver6mo ago
Used to skip flushes without a second thought. Thought it was saving time and money. Then had a compressor lock up last year. Tore it down and found all the seals eaten away. Oil analysis came back with crazy high acid numbers. Now I test the oil every single time, flush or not. Your point about long-term damage is exactly right.
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leo_walker896mo ago
Yeah, checking for acid is key... after my compressor ate seals like @baker.oliver's, I test the oil now.
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