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REVISED GUIDELINE: Say goodbye to the rainbow of refrigerant canister colors. As of 2020 all canisters will be a standard green-gray. July 4, 2016 All refrigerant containers should have one uniform ...
Revisions now specify that all refrigerant containers should have one uniform paint color, a light-green grey (RAL 7044), and that existing ... positively identifying the type of refrigerant in a ...
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