GETTING MY COMMERCIAL FREEZERS TO WORK

A2Ls) but do require crimson markings for A2 and A3 refrigerants which have bigger flammability. They urged EPA to align with existing specifications. Five commenters asked for that proposed purple marking on pipes, hoses, as well as other devices for A2L refrigerants be lessened or removed.R-290 has an ASHRAE toxicity classification of the (lessen