R-421A Refrigerant (HFC Blend)

R-421A Refrigerant – Simplified R-22 Retrofit

R-421A refrigerant is an HFC blend created for straightforward R-22 retrofits. It is often marketed as a “no oil change” replacement, making it popular with contractors seeking fast solutions for servicing older equipment.

Applications

  • Residential and commercial A/C retrofits
  • Packaged rooftop systems
  • Some refrigeration systems originally using R-22

Benefits

  • No lubricant change in many applications
  • Zero ozone depletion potential
  • Available in 25 lb cylinders
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