HVAC: EPA 608 Certification Study Guide 2024
Are there drop-in replacements for R-12 systems? Why or why not? - ANS-No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems.
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- EPA 608 Certification 2024
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- EPA 608 Certification 2024
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- January 17, 2024
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- 2023/2024
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- Exam (elaborations)
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hvac epa 608 certification study guide 2024
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