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Refrigerant cylinders come color-coded. It’s like a secret language that tells you what’s inside. For example, green is for R-22 (an HCFC), while pink is for R-410A (an HFC). But color codes can vary, so always double-check. Handling。

There is a published refrigerant color guideline from the Air-Conditioning , Heating, and Refrigeration Institute out of Virginia. This guide line is from 2012 but it is still relevant anwhat color is ac freond useful today. ... Refrigerant Color Codes.。

Refrigerants - Color Codes; Refriwhat color is ac freongerant Chemical Name Color Code;。

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