R-22 r-12 r-134A R409 epa exam prep manual

R-22 r-12 r-134A R409 epa exam prep manual

The ESCO Institute Section 608 EPA Preparatory Manual covers all questions contained on the EPA exam.
This contains all the information air conditioning and refrigeration service personnel will need to successfully become certified as a Universal Technician
The book includes the following chapters:
* Chapter 2: Type I Certification
* Chapter 3: Type II Certification
* Chapter 4: Type III Certification
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