Under the Section 608 definitions, an appliance charged with R-410A is classified as:
Section 608 regulations · EPA 608 Core. The correct answer, and the reasoning behind it.
Pressure classes, recovery equipment certification, AHRI 700, the sales restriction and the venting ban.
The question
Under the Section 608 definitions, an appliance charged with R-410A is classified as:
- Low-pressure
- Medium-pressure
- High-pressureCorrect answer
- Very high-pressure
Why “High-pressure” is correct
40 CFR 82.152 defines a high-pressure appliance as one using a refrigerant with a saturation pressure between 170 and 355 psia at 104 °F, and lists R-22, R-407A, R-407C, R-410A and R-502 as examples.
Source: 40 CFR 82.152
Why the other answers are wrong
- Low-pressure — Low-pressure refrigerants include R-11 and R-123.
- Medium-pressure — Medium-pressure examples include R-12 and R-134a.
- Very high-pressure — Very high-pressure examples include R-13, R-23 and R-503.
Practice more of this
More EPA 608 Core practice questions, or see every EPA 608 practice test.
Unofficial, not affiliated with the EPA or any EPA-approved certifying organization. Questions are original practice written from public EPA material, not real exam questions.