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REFRIGERANT
R-421A
Replaces R-22 in Multiple Stationary Applications
Save Time and Save Money with a Quick and Easy Conversion to Choice R-421A.

checkChoice R-421A is a unique non-ozone depleting long-term replacement for R-22.*
checkChoice R-421A can replace R-22 without unit modification.
checkChoice R-421A can replace R-22 with no change of oil.
checkChoice R-421A can be used in compressors designed for R-22.
checkChoice R-421A can be used with Mineral, AB or POE oils.
checkChoice R-421A is non-flammable and rated A1 by ASHRAE.
checkChoice R-421A is comparable to R-22 in terms of performance across the R-22 temperature range.
checkChoice R-421A can be used in a wide variety of applications including:

Air Conditioning
Split Systems
Supermarket Pak Systems
Self-Contained
Display Cabinets
Cold Stores
Reach-in Storage
Refrigerated Transport
Dairy Chillers
Bakery Applications
Walk-in Coolers



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