What is the name of this appliance?
The EPA defines this appliance as an appliance that uses a refrigerant with a boiling point below -50Â°C at atmospheric pressure (29.9 inches of mercury). This definition includes but is not limited to equipment utilizing refrigerants -13 and -503.
A. Very high-pressure appliance B. High-pressure appliance C. Low-pressure appliance D. Very low-pressure appliance