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Star International
Product code: 01010015


An HFC blend designed as a ‘drop-in’ replacement for R22 and R502

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Please note that following the F-Gas ban on high Global Warming Potential (GWP) refrigerants, R404A is now only available as a reclaimed gas (R404A-R) for most applications. Please contact us for further information or for advice on our range of RS Series Drop-In Replacement Gases.

R422D-R (ISCEON MO29) is an HFC blend designed as a ‘drop-in’ replacement for R22 and R502 and when retrofitted properly offers a similar energy efficiency and cooling capacity to both.

R422D-R is suitable for many refrigeration and air conditioning applications, commercial supermarket systems, stationary DX and water chillers. It contains a small amount of hydrocarbon to help ensure oil return in systems containing MO or AB lubricants.

Common applications

  • Industrial refrigeration
  • Commercial refrigeration
  • Industrial / commercial air conditioning DX chillers
  • Residential and light air conditioning

Performance characteristics

  • Global Warming Potential (GWP) of 2729
  • Zero Ozone Depletion Potential (ODP)
  • Rated A1 ASHRAE (low toxicity and flammability)
  • Compatible with Mo, AB and POE lubricants


  • 11.5kg – (01010163)
  • 25kg – (01010011)
  • 54kg – (01010015)
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