EPA 608 Type I · Recovery Techniques · Medium
Why should a piercing access valve NOT be left permanently on a system?
Answer: C. They are prone to leaking over time.
- AThey cause the compressor to overheat.
- BThey restrict the flow of refrigerant.
- CThey are prone to leaking over time.✓ Correct
- DThey void the EPA certification.
Why C is right
Solderless piercing valves use rubber gaskets that degrade and leak, so they should be removed.
More Type I questions
- How many access valves are needed if the compressor operates?
- 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?
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.