EPA 608 Type I · Recovery Techniques · Medium
How many access valves are needed if the compressor operates?
Answer: B. One, typically on the high side.
- ATwo, on both high and low sides.
- BOne, typically on the high side.✓ Correct
- CNone, use the factory service valves.
- DThree, for safety backup.
Why B is right
If the compressor runs, one access valve on the high side is usually enough to recover the gas.
More Type I questions
- How many access valves are needed if the compressor does NOT operate?
- What helps release trapped refrigerant from compressor oil during recovery?
- System-dependent (passive) recovery from a small appliance typically captures the refrigerant in what?
- Before recovering refrigerant from a small appliance, where do you first check which refrigerant it holds?
- Where is a piercing valve typically installed on a household refrigerator?
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.