Exam (elaborations)
EPA 608 HVAC Certification Study Guide Q&A Verified 100%
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EPA 608 HVAC Certification Study Guide Q&A Verified 100% Are there drop-in replacements for R-12 systems? Why or why not? - No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ...
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