header bg

Scan QR code or get instant email to install app


After refrigerant is recovered from a sealed system, which of the following gas is used to pressurize (for leak checking) or blow debris out of the system?

A Nitrogen gas

Nitrogen is a colorless, odorless, non-inflammable, and readily available (economical) gas. It may not cause any acidic formation when reacting with oxygen or moisture (Acids can cause corrosion). CO2 in moisture forms carbonic acid.

Related Information


Leave a Reply

Your email address will not be published.