EPA 608 Exam Prep

EPA 608 Type II · Recovery Requirements · Hard

With post-1993 recovery equipment, what level is required before replacing the compressor on a 150-lb R-410A system?

Answer: B. 0 psig.

  1. A15 inches of mercury vacuum.
  2. B0 psig.✓ Correct
  3. C10 inches of mercury vacuum.
  4. D25 inches of mercury vacuum.

Why B is right

R-410A is a high-pressure refrigerant (170 to 355 psia at 104°F). Table 1 of 40 CFR 82.156 sets 0 psig for high-pressure appliances holding less than 200 lbs, with any recovery equipment; 10 inHg applies from 200 lbs up (4 inHg with pre-1993 equipment).

More Type II questions

Go deeper with the study guide EPA 608 Evacuation Levels: The Required Vacuum by Appliance, try the free 10-question test or browse all EPA 608 practice questions.

A practice question written for study, checked against 40 CFR Part 82, Subpart F. It is not an official EPA exam question, and this site is not affiliated with the U.S. EPA.